Pith. sign in

REVIEW 2 major objections 4 minor 2 cited by

For Gaussian random initial data below the variance-blowup threshold α ≤ 1/4, frequency-truncated BBM solutions with a vanishing renormalization constant converge in law to solutions of a stochastic BBM equation forced by the derivative of

Reviewed by Pith at T0; open to challenge. T0 means a machine referee read the full paper against a public rubric. the ladder, T0–T4 →

Renormalized BBM with rough Gaussian initial data converges in law to stochastic BBM forced by derivative of spatial white noise, for all regularities alpha <= 1/4.

T0 review reviewed 2026-08-05 challenge →

load-bearing objection A genuine first: BBM beyond variance blowup, with the central convergence theorem proved in detail and apparently sound; secondary claims are sketched but the main result deserves serious referee time. the 2 major comments →

arxiv 2509.02344 v1 pith:5H7I6LND submitted 2025-09-02 math.AP math.PR

Probabilistic well-posedness of dispersive PDEs beyond variance blowup I: Benjamin-Bona-Mahony equation

classification math.AP math.PR MSC 35Q3535R6060H1560H30
keywords probabilistic well-posednessBenjamin-Bona-Mahony equationrandom initial datavariance blowuprenormalizationfourth moment methodstochastic BBM equationspatial white noise
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper shows that a nonlinear dispersive equation can remain probabilistically well-posed even when the standard expansion breaks down through variance blowup. For the Benjamin-Bona-Mahony equation with Gaussian random initial data of regularity below the critical value α = 1/4, the authors introduce a vanishing multiplicative renormalization constant on the truncated initial data. They prove that the resulting solutions converge in law, as the frequency cutoff is removed, to the solution of a stochastic BBM equation forced by the derivative of a spatial white noise. The key step is a central-limit-type convergence of the second Picard iterates to an explicit Gaussian process, identified by the fourth moment theorem. An alternative renormalization places the vanishing constant on the nonlinearity and yields a linear limiting equation that still carries the original rough random initial data, for arbitrarily low regularity.

Core claim

The paper's central discovery is that variance blowup is not the end of probabilistic well-posedness: by multiplying the frequency-truncated Gaussian initial data by a carefully chosen vanishing constant C_{α,N}, the solutions u_N of the BBM equation converge in law to a genuine stochastic PDE limit. The limiting object is the solution u of the stochastic BBM (1.29) driven by the derivative of a spatial white noise, with the random initial data disappearing from the initial condition and reappearing as the forcing. The mechanism is the convergence in law of the second Picard iterates Z_N to the Gaussian process Z = -I(φ(D)ζ); this convergence is proved by the fourth moment theorem and holds

What carries the argument

The load-bearing object is the second Picard iterate Z_N = I(φ(D)(z_N²)), built from the random linear solution z_N = S(t) C_{α,N} P_N u_0, together with the renormalization constant C_{α,N} = (Σ_{|n|≤N} 2/⟨n⟩^{4α})^{-1/4}. The constant is chosen so that the covariance of the limiting Gaussian process has amplitude exactly one. The fourth moment theorem is applied to show that, tested against arbitrary smooth functions, the second Picard iterates converge in law to the Gaussian process Z in (1.27); tightness upgrades this to convergence in C(R₊; W^{s,∞}) for s < 1/2. Skorokhod's representation converts the law convergence into almost sure convergence on a common probability space, and a dete

Load-bearing premise

The initial data must be Gaussian so that the second Picard iterate lies in the second Wiener chaos and the fourth moment theorem can identify its limit; with non-Gaussian data the amplitude of the limiting white noise could change or convergence could fail.

What would settle it

Compute the left side of (3.32) for α = 1/4 at a fixed time and a fixed nonzero test function: the paper predicts convergence to the finite covariance in (3.14). If the variance diverges or converges to a different constant, Theorem 1.6 is false. Alternatively, replace the Gaussian coefficients in (1.5) by independent, identically distributed non-Gaussian coefficients with variance one: the Wick contraction identity (3.6) no longer holds, so the limiting covariance should change or the convergence fail; checking this directly tests the Gaussian assumption.

Watch this falsifier. Get emailed when new claim-graph text bears on it.

If this is right

  • For every α ≤ 1/4, the renormalized BBM solutions converge in law to the stochastic BBM forced by the derivative of a spatial white noise, so the solution theory extends strictly beyond the variance-blowup threshold α = 1/4.
  • Under the alternative renormalization, the limiting equation is linear and retains the original rough Gaussian data, so probabilistic well-posedness extends to arbitrarily low regularity.
  • The random initial data is not merely smoothed away: its effect survives as a white-noise forcing term, giving a concrete mechanism by which random data become stochastic forcing.
  • The same construction works for stochastic BBM forced by a fractional derivative of space-time white noise, with variance blowup at α ≥ 3/4 tamed by the same type of vanishing constant.
  • The proof identifies the exact amplitude of the limiting noise: the constant c_α defined in (3.12) equals 1, so no unknown coupling constant is left in the limit.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Inference: the same second-Picard-iterate central limit mechanism should transfer to other quadratically nonlinear dispersive equations with a smoothing multiplier (for instance KdV-type models), predicting white-noise-forced limits below their variance-blowup thresholds.
  • Inference: because the identification uses Wick contractions of Gaussian variables, non-Gaussian random data with the same covariance would likely change the amplitude of the limiting white noise (the factor 2 in (3.6)); this is a testable departure from the paper's setup.
  • Inference: the vanishing constants could be tuned to a one-parameter family, yielding scaled white-noise forcings; the paper fixes the scale by requiring c_α = 1, but other scales are consistent with the method.
  • Inference: a direct numerical check on the variance bound (3.32) for α = 1/4 would confirm the predicted finite limiting covariance at fixed time and test function, and would show the log-correction slowing of convergence near the threshold.
Share X Bluesky LinkedIn Reddit HN

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit.

Referee Report

2 major / 4 minor

Summary. The paper studies the Benjamin-Bona-Mahony equation (BBM) on the torus with Gaussian random initial data of the form (1.5), in the regime α ≤ 1/4 where the standard first-order expansion breaks down due to divergence of the variance of the second Picard iterate (1.11). The authors introduce a vanishing multiplicative renormalization constant C_{α,N} on the frequency-truncated initial data, (1.18), and prove that the resulting solutions converge in law to the solution of the stochastic BBM forced by the derivative of a spatial white noise, (1.29). The main probabilistic input is Theorem 1.6: the second Picard iterate Z_N in (1.22) converges in law to the Gaussian process Z in (1.27) in C(R_+; W^{s,∞}) for any s < 1/2. The proof uses the fourth moment theorem to identify finite-dimensional marginals (Section 3.1), tightness in W^{s,∞}-valued path space (Section 3.2), and then a Skorokhod / PDE bootstrap argument (Section 5). A second stated result, Theorem 1.9, treats an alternative weakly interacting BBM (1.30) whose limit is the linear equation (1.31). Appendix A announces analogous results for the stochastic BBM forced by a fractional derivative of a space-time white noise.

Significance. The central result, Theorem 1.8, if correct, provides the first probabilistic construction of solutions for a dispersive PDE with random initial data beyond the variance blowup threshold, and it exhibits a new phenomenon: the random initial data becomes a stochastic forcing in the limit. The proof of Theorem 1.8 is detailed and internally consistent: the covariance computation in Lemma 3.2, the fourth-moment contraction estimate in Lemma 3.4, and the tightness argument in Proposition 3.5 are all carried out with explicit estimates. The renormalization constant C_{α,N} is chosen transparently so that the limiting white-noise amplitude is normalized to c_α = 1 in (3.13), which is a normalization choice rather than a hidden fit. The Gaussianity assumption is explicit in (1.5) and is used in the stated theorems only through the second Wiener chaos; a non-Gaussian extension would be a different result. The main weakness is that Theorem 1.9 and the Appendix A results are stated as theorems but their proofs are omitted or reduced to 'straightforward modifications.' These secondary claims do not affect the validity of Theorem 1.8, but they are part of the paper's stated contributions and n

major comments (2)
  1. [Section 1.3, Theorem 1.9] Theorem 1.9 is presented in the abstract and in the introduction as one of the main results, claiming convergence of solutions of the weakly interacting BBM (1.30) to the linear equation (1.31) for arbitrarily low regularity. However, the proof is not supplied: the text after the theorem says 'a slight modification of the proof of Theorem 1.8 ... and thus we omit details.' The omitted part includes the joint convergence (P_N u_0, Z_N) → (u_0, Z), the independence statement in Remark 3.6, and the PDE bootstrap. As stated, this is a gap in the manuscript's claims. Please either provide a complete proof or explicitly relegate Theorem 1.9 to a conjecture/announcement.
  2. [Appendix A, Theorems A.3, A.4, Proposition A.1] The appendix states several formal results: Proposition A.1 on convergence of Y_N to a Gaussian limit with covariance (A.6), Lemma A.7 on tightness, and Theorems A.3 and A.4 on convergence of the renormalized stochastic BBM. While Lemma A.6 contains a covariance computation, Lemma A.7 is dismissed as a 'straightforward modification,' and Theorems A.3 and A.4 are said to follow by 'straightforward modification ... and thus we omit details.' These are not remarks or heuristic discussions; they are stated as theorems. The missing proofs should be added, or the statements should be explicitly marked as sketches with a clear indication of which parts are deferred.
minor comments (4)
  1. [Equation (3.5)] There is a duplicated equality: E[⟨Z_N(r),ψ_1⟩⟨Z_N(t),ψ_2⟩] = E[⟨Z_N(r),ψ_1⟩⟨Z_N(t),ψ_2⟩]. The intended second expression is the subsequent formula involving the double sum and Wick pairing.
  2. [Lemma 2.6] The notation is inconsistent: the hypotheses of (ii) use E[|δ_h \hat X(n,t)|^2] while the statement of (i) uses E[|\hat X(t,n)|^2]. Please harmonize the notation in future versions.
  3. [Remark 3.3 / equation (3.13)] It would help to state explicitly that c_α = 1 is a normalization imposed by the specific choice of C_{α,N} in (1.16); the current wording in Remark 3.3 makes this clear, but a one-line summary in the main text would prevent the reader from misreading (3.13) as an additional assumption.
  4. [Section 1.3, Remark 1.12] The remark claims a 'straightforward modification' of the proof of Theorem 1.8 for nonzero deterministic initial data v_0 ∈ H^1. Since the main theorem is stated with zero initial data, this extension is plausible, but for completeness the necessary changes in Lemma 5.1 and Section 5 should be indicated.

Circularity Check

0 steps flagged

No significant circularity: Theorem 1.8 is supported by an internally consistent, self-contained convergence proof; the renormalization choice is explicit and not a hidden fit.

full rationale

The central claim, Theorem 1.8, is not obtained by renaming or fitting its own inputs. The renormalization constant C_{\alpha,N} is explicitly defined in (1.16), and the identity c_\alpha=1 in (3.13) is a direct consequence of that definition (Remark 3.3). This is a transparent normalization choice for the vanishing multiplicative renormalization, not a parameter fitted to a target result: the structural content of Theorem 1.6 — that the second Picard iterates converge in law to the Gaussian process Z in (1.27) — is proven independently through the fourth moment theorem (Lemma 3.4) and tightness (Proposition 3.5). The PDE bootstrap in Section 5 uses the Skorokhod representation and deterministic estimates, with no step reducing to the claimed conclusion. Gaussianity of the initial data is an explicit hypothesis, not a hidden assumption smuggled into the proof. The citations to [93] and [51] supply general probabilistic tools and prior variance-blowup background; they do not contain the target convergence result. The secondary results in Theorem 1.9, Remark 1.12, and Appendix A are stated as straightforward modifications with details omitted, which is a completeness limitation but does not affect the self-contained proof of Theorem 1.8 and is not circularity.

Axiom & Free-Parameter Ledger

1 free parameters · 5 axioms · 0 invented entities

The central claim rests on Gaussianity and standard stochastic analysis tools; no new physical or mathematical entities are postulated. The only hand-chosen parameter is the renormalization constant C_{alpha,N}, which is the content of the renormalization procedure.

free parameters (1)
  • C_{alpha,N} = C_{alpha,N} = (sum_{|n|<=N} 2/<n>^{4alpha})^{-1/4}, asymptotic (log<N>)^(-1/4) for alpha=1/4, <N>^{alpha-1/4} for alpha<
    Vanishing multiplicative renormalization constant on the initial data or nonlinearity. It is chosen so that c_alpha = 1 in (3.13), which sets the amplitude of the limiting white-noise forcing. This is a hand-chosen normalization that the results depend on.
axioms (5)
  • domain assumption The random initial data in (1.5) are Gaussian: independent complex standard Gaussians conditioned on g_{-n} = g_n.
    The Wiener chaos and fourth moment machinery in Sections 2 and 3 requires Gaussianity; Theorem 1.6 uses that Z_N is in the second homogeneous Wiener chaos.
  • standard math Fourth moment theorem (Nualart-Peccati) and Wiener chaos decomposition.
    Used in Lemma 3.4 and Lemma A.6 to identify the unique Gaussian limit of finite-dimensional marginals.
  • standard math Deterministic product estimates, Lemma 2.1 (BBM algebra property) and Lemma 2.2 (negative/positive regularity product estimate).
    These estimates control the Duhamel terms in Sections 4 and 5.
  • domain assumption Bona-Tzvetkov deterministic global well-posedness of BBM in H^s(T) for s >= 0.
    Provides global well-posedness for the truncated problems and supports the energy argument in Proposition 4.1.
  • standard math Prokhorov and Skorokhod representation theorems on Polish spaces.
    Used in Proposition 3.5, Theorem 1.6 and Lemma 5.1 to pass from tightness to convergence in law and then to almost sure representations.

reviewed 2026-08-05 · how reviews work

0 comments
Cite this review

Pith. "Pith review of Probabilistic well-posedness of dispersive PDEs beyond variance blowup I: Benjamin-Bona-Mahony equation." pith.science (2026). https://pith.science/paper/5H7I6LND

@misc{pith2026250902344,
  author       = {Pith},
  title        = {Pith review of: Probabilistic well-posedness of dispersive PDEs beyond variance blowup I: Benjamin-Bona-Mahony equation},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/5H7I6LND}},
  note         = {Machine review of arXiv:2509.02344}
}
Share X Bluesky LinkedIn Reddit HN
read the original abstract

We investigate a possible extension of probabilistic well-posedness theory of nonlinear dispersive PDEs with random initial data beyond variance blowup. As a model equation, we study the Benjamin-Bona-Mahony equation (BBM) with Gaussian random initial data. By introducing a suitable vanishing multiplicative renormalization constant on the initial data, we show that solutions to BBM with the renormalized Gaussian random initial data beyond variance blowup converge in law to a solution to the stochastic BBM forced by the derivative of a spatial white noise. By considering alternative renormalization, we show that solutions to the renormalized BBM with the frequency-truncated Gaussian initial data converges in law to a solution to the linear stochastic BBM with the full Gaussian initial data, forced by the derivative of a spatial white noise. This latter result holds for the Gaussian random initial data of arbitrarily low regularity. We also establish analogous results for the stochastic BBM forced by a fractional derivative of a space-time white noise.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Fourier restriction norm method adapted to controlled paths: stochastic wave equations

    math.AP 2026-07 accept novelty 8.0

    Pathwise local well-posedness of stochastic nonlinear wave equations with multiplicative noise is established in optimal regularity ranges by unifying Fourier restriction norm methods with rough path integration.

  2. On probabilistic ill-posedness

    math.AP 2026-07 accept novelty 6.0

    The paper defines enhanced probabilistic well-posedness by imposing stability at the origin and reinterprets recent 'beyond variance blowup' results for dispersive PDEs as probabilistic ill-posedness.

Reference graph

Works this paper leans on

122 extracted references · 72 canonical work pages · cited by 2 Pith papers

  1. [1]

    Bass, Stochastic processes, Cambridge Series in Statistical and Probabilistic Mathematics, 33

    R. Bass, Stochastic processes, Cambridge Series in Statistical and Probabilistic Mathematics, 33. Cam- bridge University Press, Cambridge, 2011. xvi+390 pp

  2. [2]

    Benjamin, J.L

    T.B. Benjamin, J.L. Bona, J.J. Mahony, Model equations for long waves in nonlinear dispersive systems , Philos. Trans. Roy. Soc. London Ser. A 272 (1972), no. 1220, 47–78

  3. [3]

    B´ enyi, T

    ´A. B´ enyi, T. Oh, O. Pocovnicu, Wiener randomization on unbounded domains and an application to almost sure well-posedness of NLS , Excursions in harmonic analysis. Vol. 4, 3–25, Appl. Numer. Harmon. Anal., Birkh¨ auser/Springer, Cham, 2015

  4. [4]

    B´ enyi, T

    ´A. B´ enyi, T. Oh, O. Pocovnicu, On the probabilistic Cauchy theory of the cubic nonlinear Schr¨ odinger equation on Rd, d ≥ 3, Trans. Amer. Math. Soc. Ser. B 2 (2015), 1–50

  5. [5]

    B´ enyi, T

    ´A. B´ enyi, T. Oh, O. Pocovnicu,Higher order expansions for the probabilistic local Cauchy theory of the cubic nonlinear Schr¨ odinger equation onRd, Trans. Amer. Math. Soc. Ser. B 6 (2019), 114–160

  6. [6]

    B´ enyi, T

    ´A. B´ enyi, T. Oh, O. Pocovnicu,On the probabilistic Cauchy theory for nonlinear dispersive PDEs , Land- scapes of Time-Frequency Analysis. 1–32, Appl. Numer. Harmon. Anal., Birkh¨ auser/Springer, Cham, 2019

  7. [7]

    B´ enyi, T

    ´A. B´ enyi, T. Oh, T. Zhao,Fractional Leibniz rule on the torus , Proc. Amer. Math. Soc. 153 (2025), no. 1, 207–221

  8. [8]

    Bertini, N

    L. Bertini, N. Cancrini, The two-dimensional stochastic heat equation: renormalizing a multiplicative noise, J. Phys. A 31 (1998), no. 2, 615–622. PROBABILISTIC WELL-POSEDNESS BEYOND V ARIANCE BLOWUP I 41

  9. [9]

    Bierm´ e, O

    H. Bierm´ e, O. Durieu, Y. Wang, Generalized random fields and L´ evy’s continuity theorem on the space of tempered distributions, Commun. Stoch. Anal. 12 (2018), no. 4, 427–445

  10. [10]

    Billingsley, Convergence of probability measures, Second edition

    P. Billingsley, Convergence of probability measures, Second edition. Wiley Series in Probability and Sta- tistics: Probability and Statistics. A Wiley-Interscience Publication. John Wiley & Sons, Inc., New York,

  11. [11]

    Bona, P.J

    J.L. Bona, P.J. Bryant, A mathematical model for long waves generated by wavemakers in non-linear dispersive systems, Proc. Cambridge Philos. Soc. 73 (1973), 391–405

  12. [12]

    J.L. Bona, M. Chen, J.-C. Saut, Boussinesq equations and other systems for small-amplitude long waves in nonlinear dispersive media. I. Derivation and linear theory , J. Nonlinear Sci. 12 (2002), no. 4, 283–318

  13. [13]

    J.L. Bona, M. Chen, J.-C. Saut, Boussinesq equations and other systems for small-amplitude long waves in nonlinear dispersive media. II. The nonlinear theory , Nonlinearity 17 (2004), no. 3, 925–952

  14. [14]

    J.L. Bona, M. Dai, Norm Inflation for the BBM equation , J. Math. Anal. Appl. 446 (2016), 879–885

  15. [15]

    J. Bona, N. Tzvetkov, Sharp well-posedness results for the BBM equation , Discrete Contin. Dyn. Syst. 23 (2009), no. 4, 1241–1252

  16. [16]

    Bourgain, Periodic nonlinear Schr¨ odinger equation and invariant measures, Comm

    J. Bourgain, Periodic nonlinear Schr¨ odinger equation and invariant measures, Comm. Math. Phys. 166 (1994), no. 1, 1–26

  17. [17]

    Bourgain, Invariant measures for the 2D-defocusing nonlinear Schr¨ odinger equation , Comm

    J. Bourgain, Invariant measures for the 2D-defocusing nonlinear Schr¨ odinger equation , Comm. Math. Phys. 176 (1996), no.2, 421–445

  18. [18]

    Bourgain, Periodic Korteweg de Vries equation with measures as initial data , Selecta Math

    J. Bourgain, Periodic Korteweg de Vries equation with measures as initial data , Selecta Math. (N.S.) 3 (1997), no. 2, 115–159

  19. [19]

    Bringmann, Almost sure local well-posedness for a derivative nonlinear wave equation , Int

    B. Bringmann, Almost sure local well-posedness for a derivative nonlinear wave equation , Int. Math. Res. Not. IMRN 2021, no. 11, 8657–8697

  20. [20]

    Bringmann, Invariant Gibbs measures for the three-dimensional wave equation with a Hartree nonlin- earity II: dynamics , J

    B. Bringmann, Invariant Gibbs measures for the three-dimensional wave equation with a Hartree nonlin- earity II: dynamics , J. Eur. Math. Soc. (JEMS) 26 (2024), no. 6, 1933–2089

  21. [21]

    Bringmann, Y

    B. Bringmann, Y. Deng, A. Nahmod, H. Yue, Invariant Gibbs measures for the three dimensional cubic nonlinear wave equation, Invent. Math. 236 (2024), no. 3, 1133–1411

  22. [22]

    Brydges, G

    D.C. Brydges, G. Slade, Statistical mechanics of the 2-dimensional focusing nonlinear Schr¨ odinger equa- tion, Comm. Math. Phys. 182, (1996), 485–504

  23. [23]

    N. Burq, N. Camps, C. Sun, N. Tzvetkov, Probabilistic well-posedeness for the nonlinear Schr¨ odinger equation on the 2d sphere I: positive regularities , arXiv:2404.18229 [math.AP]

  24. [24]

    N. Burq, N. Tzvetkov, Random data Cauchy theory for supercritical wave equations. I. Local theory , Invent. Math. 173 (2008), no. 3, 449–475

  25. [25]

    N. Burq, N. Tzvetkov, Probabilistic well-posedness for the cubic wave equation, J. Eur. Math. Soc. (JEMS) 16 (2014), no. 1, 1–30

  26. [26]

    Caravenna, R

    F. Caravenna, R. Sun, N. Zygouras, Universality in marginally relevant disordered systems , Ann. Appl. Probab. 27 (2017), no. 5, 3050–3112

  27. [27]

    Caravenna, R

    F. Caravenna, R. Sun, N. Zygouras, The critical 2d stochastic heat flow , Invent. Math. 233 (2023), no. 1, 325–460

  28. [28]

    Chatterjee, A

    S. Chatterjee, A. Dunlap, Constructing a solution of the (2 + 1)-dimensional KPZ equation, Ann. Probab. 48 (2020), no. 2, 1014–1055

  29. [29]

    Chevyrev, T

    I. Chevyrev, T. Oh, Y. Wang, Norm inflation for the cubic nonlinear heat equation above the scaling critical regularity, to appear in Funkcial. Ekvac

  30. [30]

    Colliander, T

    J. Colliander, T. Oh, Almost sure well-posedness of the cubic nonlinear Schr¨ odinger equation belowL2(T), Duke Math. J. 161 (2012), no. 3, 367–414

  31. [31]

    Collot, P

    C. Collot, P. Germain, On the derivation of the homogeneous kinetic wave equation , Comm. Pure Appl. Math. 78 (2025), no. 4, 856–909

  32. [32]

    Collot, P

    C. Collot, P. Germain, Derivation of the homogeneous kinetic wave equation: longer time scales , arXiv:2007.03508 [math.AP]

  33. [33]

    Comets, C

    F. Comets, C. Cosco, C. Mukherjee, Renormalizing the Kardar-Parisi-Zhang equation in d ≥ 3 in weak disorder, J. Stat. Phys. 179 (2020), no. 3, 713–728

  34. [34]

    Coutin, Z

    L. Coutin, Z. Qian, Stochastic analysis, rough path analysis and fractional Brownian motions , Probab. Theory Related Fields 122 (2002), no. 1, 108–140

  35. [35]

    Da Prato, A

    G. Da Prato, A. Debussche, Strong solutions to the stochastic quantization equations . Ann. Probab. 31 (2003), no. 4, 1900–1916. 42 G. LI, J. LI, T. OH, AND N. TZVETKOV

  36. [36]

    Deng, Recent progress on the mathematical theory of wave turbulence , Extended abstracts 2021/2022?Methusalem lectures, 95–104, Trends Math., Res

    Y. Deng, Recent progress on the mathematical theory of wave turbulence , Extended abstracts 2021/2022?Methusalem lectures, 95–104, Trends Math., Res. Perspect. Ghent Anal. PDE Cent., 3, Birkh¨ auser/Springer, Cham, [2024],©2024

  37. [37]

    Y. Deng, Z. Hani, On the derivation of the wave kinetic equation for NLS , Forum Math. Pi 9 (2021), Paper No. e6, 37 p

  38. [38]

    Y. Deng, Z. Hani, Full derivation of the wave kinetic equation , Invent. Math. 233 (2023), no. 2, 543–724

  39. [39]

    Y. Deng, Z. Hani, Propagation of chaos and the higher order statistics in the wave kinetic theory , J. Eur. Math. Soc. (2024), published online first. doi: 10.4171/JEMS/1488

  40. [40]

    Y. Deng, Z. Hani, Rigorous justification of the wave kinetic theory , arXiv:2207.08358 [math.AP]

  41. [41]

    Y. Deng, Z. Hani, Derivation of the wave kinetic equation: full range of scaling laws , arXiv:2301.07063 [math.AP]

  42. [42]

    Y. Deng, A. Nahmod, H. Yue, Invariant Gibbs measures and global strong solutions for nonlinear Schr¨ odinger equations in dimension two, Ann. of Math. 200 (2024), no. 2, 399–486

  43. [43]

    Y. Deng, A. Nahmod, H. Yue, Random tensors, propagation of randomness, and nonlinear dispersive equations, Invent. Math. 228 (2022), no. 2, 539–686

  44. [44]

    Y. Deng, A. Nahmod, H. Yue, The probabilistic scaling paradigm , Vietnam J. Math. 52 (2024), no. 4, 1001–1015

  45. [45]

    de Suzzoni, Wave turbulence for the BBM equation: stability of a Gaussian statistics under the flow of BBM , Comm

    A.-S. de Suzzoni, Wave turbulence for the BBM equation: stability of a Gaussian statistics under the flow of BBM , Comm. Math. Phys. 326 (2014), no. 3, 773–813

  46. [46]

    de Suzzoni, Continuity of the flow of the Benjamin-Bona-Mahony equation on probability measures , Discrete Contin

    A.-S. de Suzzoni, Continuity of the flow of the Benjamin-Bona-Mahony equation on probability measures , Discrete Contin. Dyn. Syst. 35 (2015), no. 7, 2905–2920

  47. [47]

    de Suzzoni, N

    A.-S. de Suzzoni, N. Tzvetkov, On the propagation of weakly nonlinear random dispersive waves , Arch. Ration. Mech. Anal. 212 (2014), no. 3, 849–874

  48. [48]

    Deya, On a non-linear 2D fractional wave equation , Ann

    A. Deya, On a non-linear 2D fractional wave equation , Ann. Inst. Henri Poincar´ e Probab. Stat. 56 (2020), no. 1, 477–501

  49. [49]

    Dunlap, Y

    A. Dunlap, Y. Gu, A forward-backward SDE from the 2D nonlinear stochastic heat equation, Ann. Probab. 50 (2022), no.3, 1204–1253

  50. [50]

    Fernique, Processus lin´ eaires, processus g´ en´ eralis´ es, Ann

    X. Fernique, Processus lin´ eaires, processus g´ en´ eralis´ es, Ann. Inst. Fourier (Grenoble) 17 (1967), no. 1, 1–92

  51. [51]

    Forlano, Almost sure global well posedness for the BBM equation with infinite L2 initial data, Discrete Contin

    J. Forlano, Almost sure global well posedness for the BBM equation with infinite L2 initial data, Discrete Contin. Dyn. Syst. 40 (2020), no. 1, 267–318

  52. [52]

    Forlano, T

    J. Forlano, T. Oh, Y. Wang, Stochastic cubic nonlinear Schr¨ odinger equation with almost space-time white noise, J. Aust. Math. Soc. 109 (2020), no. 1, 44–67

  53. [53]

    Gabriel, T

    S. Gabriel, T. Rosati, N. Zygouras, The Allen–Cahn equation with weakly critical random initial datum , Probab. Theory Related Fields 192 (2025), no. 3-4, 1373–1446

  54. [54]

    Gerencs´ er, F

    M. Gerencs´ er, F. Toninelli,Weak coupling limit of KPZ with rougher than white noise, Electron. Commun. Probab. 30 (2025), Paper No. 34, 11 pp

  55. [55]

    Ginibre, Y

    J. Ginibre, Y. Tsutsumi, G. Velo, On the Cauchy problem for the Zakharov system , J. Funct. Anal. 151 (1997), no. 2, 384–436

  56. [56]

    Greco, T

    D. Greco, T. Oh, L. Tao, L. Tolomeo, Critical threshold for weakly interacting log-correlated focusing Gibbs measures, Proc. Amer. Math. Soc. Ser. B. 12 (2025), 150–165

  57. [57]

    Y. Gu, J. Quastel, L.-C. Tsai, Moments of the 2D SHE at criticality , Probab. Math. Phys. 2 (2021), no. 1, 179–219

  58. [58]

    Y. Gu, L. Ryzhik, O. Zeitouni, The Edwards-Wilkinson limit of the random heat equation in dimensions three and higher , Comm. Math. Phys. 363 (2018), no. 2, 351–388

  59. [59]

    Gubinelli, H

    M. Gubinelli, H. Koch, T. Oh, Renormalization of the two-dimensional stochastic nonlinear wave equa- tions, Trans. Amer. Math. Soc. 370 (2018), no. 10, 7335–7359

  60. [60]

    Gubinelli, H

    M. Gubinelli, H. Koch, T. Oh, Paracontrolled approach to the three-dimensional stochastic nonlinear wave equation with quadratic nonlinearity , J. Eur. Math. Soc. (JEMS) 26 (2024), no. 3, 817–874

  61. [61]

    Gubinelli, H

    M. Gubinelli, H. Koch, T. Oh, L. Tolomeo, Global dynamics for the two-dimensional stochastic nonlinear wave equations, Int. Math. Res. Not. 2022, no. 21, 16954–16999

  62. [62]

    Gubinelli, N

    M. Gubinelli, N. Perkowski, KPZ reloaded, Comm. Math. Phys. 349 (2017), no. 1, 165–269

  63. [63]

    Hairer, Renormalisation in the presence of variance blowup , to appear in Ann

    M. Hairer, Renormalisation in the presence of variance blowup , to appear in Ann. Probab

  64. [64]

    Hoshino, KPZ equation with fractional derivatives of white noise , Stoch

    M. Hoshino, KPZ equation with fractional derivatives of white noise , Stoch. Partial Differ. Equ. Anal. Comput. 4 (2016), no. 4, 827–890

  65. [65]

    Hairer, H

    M. Hairer, H. Shen, The dynamical sine-Gordon model , Comm. Math. Phys. 341 (2016), no. 3, 933–989. PROBABILISTIC WELL-POSEDNESS BEYOND V ARIANCE BLOWUP I 43

  66. [66]

    Huang, D

    J. Huang, D. Nualart, L. Viitasaari, G. Zheng, Gaussian fluctuations for the stochastic heat equation with colored noise, Stoch. Partial Differ. Equ. Anal. Comput. 8 (2020), no. 2, 402–421

  67. [67]

    Janson, Gaussian Hilbert spaces

    S. Janson, Gaussian Hilbert spaces. Cambridge Tracts in Math., 129, Cambridge University Press, Cam- bridge, 1997. x+340 pp

  68. [68]

    Kenig, G

    C.E. Kenig, G. Ponce, L. Vega, A bilinear estimate with applications to the KdV equation , J. Amer. Math. Soc. 9 (1996), no. 2, 573–603

  69. [69]

    Kallenberg, Foundations of modern probability , Third edition, Probab

    O. Kallenberg, Foundations of modern probability , Third edition, Probab. Theory Stoch. Model., 99, Springer, Cham, [2021], ©2021. xii+946 pp

  70. [70]

    Khan, Separability in function spaces, J

    L.A. Khan, Separability in function spaces, J. Math. Anal. Appl. 113 (1986), no. 1, 88–92

  71. [71]

    G. Li, J. Li, S. Liu, T. Oh, N. Tzvetkov, Probabilistic well-posedness of dispersive PDEs beyond variance blowup II: quadratic nonlinear wave equation , in preparation

  72. [72]

    Liu, On the probabilistic well-posedness of the two-dimensional periodic nonlinear Schr¨ odinger equation with the quadratic nonlinearity |u|2, J

    R. Liu, On the probabilistic well-posedness of the two-dimensional periodic nonlinear Schr¨ odinger equation with the quadratic nonlinearity |u|2, J. Math. Pures Appl. 171 (2023), 75–101

  73. [73]

    Statistical mechanics of nonlinear wave equations. IV. Cubic Schr¨ odinger

    H.P. McKean, Statistical mechanics of nonlinear wave equations. IV. Cubic Schr¨ odinger. Comm. Math. Phys. 168 (1995), no. 3, 479–491. Erratum: “Statistical mechanics of nonlinear wave equations. IV. Cubic Schr¨ odinger”.Comm. Math. Phys. 173 (1995), no. 3, 675

  74. [74]

    Michael, On a theorem of Rudin and Klee, Proc

    E. Michael, On a theorem of Rudin and Klee, Proc. Amer. Math. Soc. 12 (1961), 921

  75. [75]

    Mourrat, H

    J.-C. Mourrat, H. Weber, Global well-posedness of the dynamic Φ4 model in the plane, Ann. Probab. 45 (2017), no. 4, 2398–2476

  76. [76]

    Mourrat, H

    J.-C. Mourrat, H. Weber, W. Xu, Construction of Φ4 3 diagrams for pedestrians, in From particle systems to partial differential equations , 1–46, Springer Proc. Math. Stat., 209 Springer, Cham, 2017

  77. [77]

    Mukherjee, A

    C. Mukherjee, A. Shamov, O. Zeitouni, Weak and strong disorder for the stochastic heat equation and continuous directed polymers in d ≥ 3, Electron. Commun. Probab. 21 (2016), Paper No. 61, 12 pp

  78. [78]

    Nelson, A quartic interaction in two dimensions , 1966 Mathematical Theory of Elementary Particles (Proc

    E. Nelson, A quartic interaction in two dimensions , 1966 Mathematical Theory of Elementary Particles (Proc. Conf., Dedham, Mass., 1965), pp. 69–73, M.I.T. Press, Cambridge, Mass

  79. [79]

    Nourdin, G

    I. Nourdin, G. Peccati, Stein ’s method on Wiener chaos, Probab. Theory Related Fields 145 (2009), no. 1-2, 75–118

  80. [80]

    Nourdin, G

    I. Nourdin, G. Peccati, Normal approximations with Malliavin calculus, From Stein ’s method to univer- sality, Cambridge Tracts in Math., 192, Cambridge University Press, Cambridge, 2012. xiv+239 pp

Showing first 80 references.

This paper was first reviewed by deepseek-v4-flash on August 5, 2026.