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775 papers in math.FA · page 7

  1. math.FA 2026-04-16 reviewed
    Notes unify convexity and concavity in Banach lattices

    Convexity and concavity in Banach lattices

    Enrique Garc\'ia-S\'anchez

  2. math.FA 2026-04-16 reviewed
    ℓ₁ has no tiling by balls

    Tilings and coverings by balls in $\ell_1$

    Carlo Alberto De Bernardi +3

  3. math.FA 2026-04-16 reviewed
    Liouville theorems and recurrence describe graphs at infinity

    Graphs at infinity: Liouville theorems, Recurrence and Characterization of Dirichlet forms

    Matthias Keller +2

  4. math.AP 2026-04-16 reviewed
    Unique asymptotic solutions exist for p-Schrödinger equations with confining potentials

    An $L^1$-theory for $p$-Schr\"odinger equations with confinement in measure

    Nuno J. Alves +1

  5. math.FA 2026-04-16 reviewed
    Wickstead conjecture holds for all positive projections

    Wickstead's conjecture on positive projections and non-representable Banach lattice algebras

    David Mu\~noz-Lahoz

  6. math.CA 2026-04-16 reviewed
    Weighted Hardy inequality holds for partial boundary vanishing

    On the Weighted Hardy Type Inequality for Functions from $W^1_p$ Vanishing on Small Parts of the Boundary

    Yu.O. Koroleva

  7. math.OA 2026-04-15 reviewed
    New theorem upgrades strong convergence via Toeplitz exactness

    Toeplitz exactness for strong convergence

    David Gao +1

  8. math.FA 2026-04-15 reviewed
    r(K) index marks transfinite Daugavet threshold for C(K)

    Transfinite Daugavet property

    Antonio Avil\'es +3

  9. math.FA 2026-04-15 reviewed
    Reaping cardinal index classifies transfinite Daugavet property on C(K)

    Transfinite Daugavet property

    Antonio Avil\'es +3

  10. math.FA 2026-04-15 reviewed
    Coreflexive Banach spaces reduce to their separable subspaces under density

    A study on coreflexive Banach Spaces

    S. Dwivedi

  11. quant-ph 2026-04-15 reviewed
    Quasi-norms are super-multiplicative for quantum channel tensors

    Two-Indexed Schatten Quasi-Norms with Applications to Quantum Information Theory

    Jan Kochanowski +2

  12. math.FA 2026-04-15 reviewed
    Pairing measures make divergence rule hold for BV composites

    On the divergence of the composition of irregular fields with BV functions

    Graziano Crasta +2

  13. math.AP 2026-04-15 reviewed
    New Sobolev inequality for quasicontinuous W^{1,1}_0 functions

    A note on Sobolev inequalities in the lower limit case

    Petteri Harjulehto +1

  14. math.FA 2026-04-15 reviewed
    Strong continuity links to bi-continuity on Saks spaces via equitightness

    Strongly continuous and locally equicontinuous families of operators and their relation to bi-continuity

    Karsten Kruse +1

  15. eess.SP 2026-04-15 reviewed
    Lie groups unify Fourier, wavelet and time-frequency analysis

    Continuous Algebraic Diversity: Unifying Spectral, Wavelet, and Time-Frequency Analysis via Lie Group Actions

    Mitchell A. Thornton

  16. math.SP 2026-04-14 reviewed
    Magnetic field stabilizes waveguide spectrum against deformations

    Magnetic Dirichlet Laplacian on deformed waveguides

    Daniel Alpay +2

  17. math.RA 2026-04-14 reviewed
    Additive surjections preserving strong orthogonality on C*-algebras classified

    Additive preservers of mutual strong Birkhoff-James orthogonality on finite-dimensional $C^\ast$-algebras

    Bojan Kuzma +1

  18. math.FA 2026-04-14 reviewed
    Fourier vanishing set bounds autocorrelation order on abelian groups

    Higher-Order Autocorrelations on Finite Abelian Groups

    Aaron Agulnick +1

  19. math.FA 2026-04-14 reviewed
    Direct proof of Cotlar-Stein lemma avoids power trick

    On the Cotlar-Stein lemma

    Michael Hartz +1

  20. math.FA 2026-04-14 reviewed
    Fractional powers of gradient operators ground nonlocal heat laws

    Nonlocal Fourier Laws for Heat Propagation via Fractional powers of Vector Operators

    Fabrizio Colombo +2

  21. math.FA 2026-04-14 reviewed
    JB*-triples commute exactly when a norm bound holds on triple products

    A Le Page--Kaplansky theorem characterizing commutative JB*-triples

    Lei Li +2

  22. math.LO 2026-04-14 reviewed
    Sharpness equals worst-case exactness for SCI but not pointwise

    From Witness-Space Sharpness To Family-Pointwise Exactness For The Solvability Complexity Index

    Christopher Sorg

  23. math.LO 2026-04-14 reviewed
    Three exactness levels for SCI on problem families

    From Witness-Space Sharpness To Family-Pointwise Exactness For The Solvability Complexity Index

    Christopher Sorg

  24. math.FA 2026-04-14 reviewed
    Log-concave samples yield random spaces at distance cn/log(1+m/n)

    Banach-Mazur distances and basis constants of isotropic log-concave random spaces

    Apostolos Giannopoulos +1

  25. math.FA 2026-04-14 reviewed
    No free Dedekind complete vector lattices over sets larger than one element

    The Dedekind completion of an Archimedean ordered vector space as a reflector

    Antonio Avil\'es +1

  26. math.FA 2026-04-14 reviewed
    Gaussian Sobolev embeddings have exact width asymptotics

    Widths of embeddings of Gaussian Sobolev spaces

    Van Kien Nguyen

  27. math.PR 2026-04-14 reviewed
    The paper uses stochastic methods to prove a sharpened version of Beckner's inequality…

    Stochastic analysis of Beckner's and related functional inequalities

    Yuu Hariya

  28. math.FA 2026-04-14 reviewed
    Local uniformity suffices for asymptotic contraction fixed points

    Fixed Points of Asymptotic Pointwise Contractions under Local Uniform Convergence

    Jie Shi

  29. quant-ph 2026-04-14 reviewed
    SR uncertainty relations rewritten using Pearson coefficients

    Notes on some inequalities, resulting uncertainty relations and correlations. 1. General mathematical formalism

    Krzysztof Urbanowski

  30. math.FA 2026-04-14 reviewed
    Positive functionals on polynomials equal measures on compact semialgebraic sets

    The K-moment problem: A detailed introduction

    Malik Amir

  31. math.OA 2026-04-14 reviewed
    Chronological free entropy is concave on Wasserstein geodesics

    Free information geometry and the model theory of noncommutative stochastic processes

    David Jekel

  32. math.FA 2026-04-13 reviewed
    Natural isomorphism gives KLE conditions for Hilbert-valued random elements

    Karhunen Lo\`eve Expansions of Hilbert Space-Valued Random Elements

    Trajan Murphy

  33. math.AP 2026-04-13 reviewed
    Phase function reduces p-capacity of interior condensers to 1D problem

    $p$-variational capacity of interior condensers and geometric reduction by a fixed phase

    Vicente Vergara

  34. math.FA 2026-04-13 reviewed
    Dyadic shift boundedness equals Hilbert transform boundedness

    A twosided linear estimate and a dyadic reduction of the UMD Conjecture

    Komla Domelevo +1

  35. math.FA 2026-04-13 reviewed
    Fixed points exist for random asymptotically pointwise contractions

    A Fixed Point Theorem for Random Asymptotically Pointwise Contractions

    Jie Shi

  36. math.FA 2026-04-13 reviewed
    Vanishing condition on symbols yields compact operators on modulation spaces

    Compactness for pseudo-differential and Toeplitz operators on modulation spaces

    Elmira Nabizadeh-Morsalfard +3

  37. math.FA 2026-04-12 reviewed
    nth roots preserve subnormality inside CPD class

    CPD $n$th roots of subnormal operators are subnormal

    Zenon Jan Jab{\l}o\'nski +3

  38. math.FA 2026-04-12 reviewed
    Any value ≥2 is a projection constant for some finite-codim subspace of C[0,1]

    Finite-codimensional subspaces of Daugavet spaces: projection constants and minimal projections

    Tomasz Kania +1

  39. math.FA 2026-04-12 reviewed
    De Branges spaces model CNU contractions

    Vector valued de Branges spaces, CNU contractions and functional models

    Bharti Garg +1

  40. math.FA 2026-04-12 reviewed
    C(X) is semiprojective exactly when X is an ANR

    Semiprojective Banach lattices

    Tomasz Kania +1

  41. math.CV 2026-04-12 reviewed
    Conditions found for Shimorin kernels to define specific Bergman spaces

    On the converse of the Shimorin--Pel\'aez--R\"atty\"a--Wick theorem

    Yuerang Li +1

  42. math.FA 2026-04-11 reviewed
    Mazur quotient problem solved for nonseparable L_infty-spaces

    Mazur's Separable Quotient Problem for Nonseparable Bourgain-Pisier $\mathscr{L}_\infty$-Spaces

    Kartik Patri

  43. math.CV 2026-04-11 reviewed
    Function stays cyclic below α* but fails exactly at the critical index

    Riesz $\alpha$-capacity of Cantor sets and cyclicity in Dirichlet-type spaces

    Dimitrios Vavitsas +2

  44. math.FA 2026-04-11 reviewed
    Any C(K) arises as Calkin algebra of a reflexive Banach space

    Operator Algebras of Bourgain Delbaen Spaces: Realization, Rigidity, and Ideal Structure

    M.H.M. Rashid

  45. math.FA 2026-04-11 reviewed
    Level-optimal maximin selects universally closest refinements

    Universal Closest Refinement on Measurable Bipartite Relations

    T-H. Hubert Chan

  46. math.FA 2026-04-11 reviewed
    Finite defect subspaces characterize almost invariant subspaces

    Nearly invariant subspaces in the real Hardy space

    Arshad Khan +2

  47. math.DG 2026-04-11 reviewed
    Metrics and measures alone characterize Ricci flows

    On weak formulations of (super) Ricci flows

    Sajjad Lakzian

  48. math.FA 2026-04-11 reviewed
    Weaker non-expansiveness condition generalizes inverse mapping theorem

    A generalization of the inverse mapping theorem in infinite dimensions

    Sajjad Lakzian

  49. math.FA 2026-04-10 reviewed
    Lattice majorization equivalent to P-ideals being meager

    Normed lattices majorizing in their norm completions

    Eugene Bilokopytov +1

  50. math.FA 2026-04-10 reviewed
    Stability estimate enables numerical solver for moment measure problem

    Quantitative Stability and Numerical Resolution of the Moment Measure Problem

    Guillaume Bonnet +1