INDEX
Every paper Pith has read and judged, in one searchable index.
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math-ph arXiv submitted 2026-07-16Exact frequency makes Duffing perturbation converge 4× faster
Ramij Ahamed +1 · “Study of Duffing oscillator using an improved Lindstedt Poincare method and relevant comparisons”
2607.15233 -
quant-ph arXiv submitted 2026-07-16Additivity of output Rényi entropy fails for p>3/4 and p<1/4
Debbie Leung +2 · “Counterexamples to additivity of minimum output $p$-R\'enyi entropy of quantum channels for $p>3/4$ and $0\leq p<1/4$”
2607.15210 -
math.AG arXiv submitted 2026-07-16Coulomb branch leaves are flats of the weight arrangement
Ben Webster · “On the geometry of Coulomb branches”
2607.15177 -
quant-ph arXiv submitted 2026-07-16Two channel copies beat one for entanglement-assisted reliability
Hao-Chung Cheng +1 · “Superadditivity for Entanglement-Assisted Communication”
2607.15151 -
math.PR arXiv submitted 2026-07-16Transport noise prevents blow-up in 3D Navier–Stokes
Antonio Agresti · “Absence of blow-up in the 3D Navier-Stokes equations with transport noise”
2607.15140 -
hep-th arXiv submitted 2026-07-163d SYZ builds the B-side Jacobian from the A-side
Naichung Conan Leung +1 · “Mirror symmetry in 3d in 3d mirror symmetry”
2607.15074 -
hep-th arXiv submitted 2026-07-16Spatial mass variation splits vacuum energy into two sectors
R. L. Ara\'ujo Xavier +3 · “Casimir effect for a massive scalar field confined between parallel plates with a spatially varying effective mass”
2607.15070 -
math-ph arXiv submitted 2026-07-16Quasi-Pfaffians turn Moutard transforms into a Sylvester recursion
Claire R Gilson +1 · “Quasi-Pfaffian Solutions to Integrable Systems via Sylvester-Moutard Transformations”
2607.15013 -
math.SP arXiv submitted 2026-07-16All zeros and poles of twisted Selberg zeta now explained
Moritz Doll +1 · “The divisor of the twisted Selberg zeta function”
2607.14981 -
math-ph arXiv submitted 2026-07-16Tabulated kernels let an explicit stiff solver beat CVODE by up to 9.3x
Riccardo Malpica Galassi +1 · “A C++ implementation of the G-Scheme stiff ODE solver with multi-resolution sparse hash-table kernel lookup”
2607.14918 -
gr-qc arXiv submitted 2026-07-16Build regular Kerr black holes with no primary hair
J Ovalle · “Kerr black holes without primary hairs”
2607.14910 -
math.AP arXiv submitted 2026-07-16Sharp decay threshold s_c=4β+3−a/2 for wave kinetic equations
Xilu Zhu · “Sharp decay thresholds in weighted $L^\infty$ for wave kinetic equations with power-law dispersion”
2607.14892 -
hep-lat arXiv submitted 2026-07-16Fermion doubling is real in the Dirac QCA propagator
Dogukan Bakircioglu +1 · “Fermion-doubling problem in Chiral discretizations of Quantum field theory: Definitive proof, Fixing, and Computation of two-point correlation function”
2607.14874 -
quant-ph arXiv submitted 2026-07-16Small magnetic flux turns periodic Grover walks into continuous time
Hiroto Sekido +1 · “Robustness of periodicity in Grover walks under a magnetic vector potential”
2607.14797 -
math-ph arXiv submitted 2026-07-16Polar form yields explicit Dirac right-inverse beyond QFT propagator
Luca Fabbri +1 · “Polar Form of the Dirac Operator in Low-Dimensional Space-Times”
2607.14752 -
gr-qc arXiv submitted 2026-07-16Birmingham-Kottler spacetimes resist every continuous extension
Bobby EkaGunara · “Warped Spacelike Singularities and the $C^0$-Inextendibility of Birmingham-Kottler Spacetimes”
2607.14741 -
math.QA arXiv submitted 2026-07-16R-matrix and current twisted Yangians: one algebra for types B
Vidas Regelskis · “Twisted Yangians of types BI, CI, DI and Drinfeld type current relations”
2607.14692 -
quant-ph arXiv submitted 2026-07-16Six parent vectors are the smallest seed of logical contextuality
Jayashree Karmakar +7 · “Emergence and Recovery of (logical) Kochen-Specker Contextuality via Hamilton Extension”
2607.14629 -
math.CV arXiv submitted 2026-07-16Square-root edges and cubic cusps for non-symmetric Dyson equations
Jiaoyang Huang +2 · “Non-symmetric vector dyson equations”
2607.16333 -
math.CV arXiv submitted 2026-07-16Square-root edges, cubic cusps: non-symmetric Dyson stability shown
Jiaoyang Huang +2 · “Non-symmetric vector dyson equations”
2607.16333 -
math-ph arXiv submitted 2026-07-15This paper asks: if you only know the probability distribution of a total count (like the…
Israel Klich · “On Factorizing Aggregate Counting Distributions into Independent Latent Processes”
2607.14409 -
gr-qc arXiv submitted 2026-07-15Upwind embedded-boundary operators reach 9th order
Conner Dailey · “Upwind embedded boundary SBP operators: New high order numerical schemes for arbitrarily shaped domains with Cartesian grids”
2607.14403 -
quant-ph arXiv submitted 2026-07-15Suzuki–Fisher spin models always have gap at least 2μ
Sergey Bravyi +3 · “Efficient quantum algorithm for Heisenberg spin systems”
2607.14401 -
math.DG arXiv submitted 2026-07-15Cut time is locally Lipschitz in globally hyperbolic spacetimes
Alec Metsch · “Lipschitz continuity of the cut time for globally hyperbolic spacetimes”
2607.14374 -
math.CO arXiv submitted 2026-07-15Dual Littlewood measures are determinantal point processes
Zhongren Cai +4 · “Measures and generalizations of dual Littlewood identities”
2607.14362 -
math-ph arXiv submitted 2026-07-15Mixed Ising–XY tree model admits exactly one quantum state
Farrukh Mukhamedov · “Quantum Markov Chains for an Asymmetric Mixed Ising-XY Model on a Cayley Tree”
2607.14343 -
math.CO arXiv submitted 2026-07-15One formula counts all even-degree maps on every surface
Ahmad Barhoumi +2 · “Universal Asymptotics and Exact Enumeration of Eulerian Maps”
2607.14342 -
math.AP arXiv submitted 2026-07-15Hydrogen-atom limits equal regularized Kepler orbit measures
Nicholas Lohr · “Semiclassical measures through Coulomb collisions”
2607.14313 -
quant-ph arXiv submitted 2026-07-15Magic growth equals Fisher information at stabilizer states
Rishabh Jha +1 · “Magic Without Entanglement: Exact Revivals and Their Fisher Information Origin”
2607.14222 -
hep-th arXiv submitted 2026-07-15Saturates at Heisenberg time
Andrew Lucas +1 · “Non-perturbative saturation of Krylov complexity, and its implications in quantum gravity”
2607.14220 -
math.DG arXiv submitted 2026-07-15One elliptic equation now replaces the SO(3) Yang–Mills system
Hanwen Liu · “A Self-Dual Frame Formalism of the SO(3) Yang-Mills Theory”
2607.14204 -
cond-mat.stat-mech arXiv submitted 2026-07-15One coordinate swap makes single-file diffusion exactly solvable
Sandeep Jangid +6 · “An exactly solvable macroscopic fluctuation theory of single-file diffusion”
2607.14073 -
math-ph arXiv submitted 2026-07-15Re-projection starves pressure rise in liquid-upwind phase change
Bai Haotong +4 · “Real Fluid Quasi-Conservative Method: Mechanical Equilibrium Mechanism and Liquid-Upwind Anomaly”
2607.13996 -
math-ph arXiv submitted 2026-07-15Length-free entropy bound holds for driven anharmonic chains
Jianfeng Lu · “Log-Sobolev inequalities for boundary-driven anharmonic chains”
2607.13953 -
nlin.CD arXiv submitted 2026-07-15Any law can be a spontaneous-stochasticity limit
Wandrille Ruffenach +2 · “A Measure-Theoretic Approach to Spontaneous Stochasticity”
2607.16328 -
math-ph arXiv submitted 2026-07-15Einstein equations derived from causal action with coupling δ²
Felix Finster +1 · “A Geometric Derivation of the Einstein Equations from the Causal Action Principle”
2607.13871 -
math.AP arXiv submitted 2026-07-15Small data solve the wave-Dirac system globally near Minkowski
Seokchang Hong · “A spinor-adapted geometric approach for nonlinear Dirac systems and its application to a tensorial wave-Dirac system near Minkowski spacetime”
2607.13775 -
math-ph arXiv submitted 2026-07-15One current captures all boundary effects in QFT
Kasia Rejzner +1 · “Perturbative algebraic quantum field theory with smoothened boundary”
2607.13765 -
hep-th arXiv submitted 2026-07-15Exact algorithm turns U(N) singlet spectra into polynomials in N
Enrico M. Brehm +1 · “An exact algorithm for U(N) matrix models in the gauge-invariant singlet sector”
2607.13725 -
quant-ph arXiv submitted 2026-07-15Log-depth circuits certify target sampling probability
Chinonso Onah +2 · “Separating Geometry From Interference in Constrained Quantum Optimization”
2607.13630 -
cond-mat.str-el arXiv submitted 2026-07-15Saturation field rescales by (1+β)/2 in spin-ring crossover
Ra\'ul S\'anchez Gal\'an +1 · “Quantum-classical crossover in finite spin-1/2 rings with Dzyaloshinsky-Moriya interaction”
2607.13572 -
quant-ph arXiv submitted 2026-07-15Quantum memory speeds up channel learning by factor d_in d_out
Carlos Bravo-Prieto +2 · “Quantum memory advantage for quantum process tomography”
2607.13476 -
cond-mat.stat-mech arXiv submitted 2026-07-15Boundary path screens off system when likelihood factors into two
Dalton A R Sakthivadivel · “The nonequilibrium statistical mechanics of Markov interacting particles”
2607.13391 -
cond-mat.stat-mech arXiv submitted 2026-07-15Loewner maps yield nonlinear Langevin equation with 1/t energy decay
Yusuke K. Shibasaki · “A Loewner-Theoretic Approach to the Nonlinear Generalized Langevin Equation: The Role of Entropy in Colored Noise Environment”
2607.13384 -
math-ph arXiv submitted 2026-07-15One length predicts radial wave eigenvalues to 0.08%
Victor S. Gerasimchuk +2 · “Spectral Analysis and Liouville-Green Asymptotics for a Radial Sturm-Liouville Operator with Variable Coefficients”
2607.13349 -
physics.optics arXiv submitted 2026-07-14Grating scattering solved exactly for both TE and TM waves
Farhang Loran +1 · “Exactly Solvable Diffraction-Grating Scattering Problems for TE and TM waves”
2607.13287 -
math-ph arXiv submitted 2026-07-14Two coefficients fix the boundary conditions of superdiffusive heat flow
Tomasz Komorowski +1 · “Boundary Thermalization in Superdiffusive Energy Transport”
2607.13229 -
cond-mat.stat-mech arXiv submitted 2026-07-14N trail-memory walkers: exact hit odds
Paul Pineau +3 · “Exact collective first-passage statistics of N trail-interacting walkers”
2607.13213 -
eess.IV arXiv submitted 2026-07-14One equation spans CT, MRI, PET, and SPECT reconstruction
Xiao Wang +6 · “Efficient Computing for Medical Image Acquisition and Reconstruction”
2607.13204 -
quant-ph arXiv submitted 2026-07-14One formula fixes quantum oracle value-readout odds
Milad Ghadimi +2 · “An Information-Theoretic Characterization of Optimal Value-Readout in Response-Register Quantum Oracles”
2607.13198