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775 papers in math.FA · page 2

  1. math.OA 2026-05-18 reviewed
    Doubly stochastic operators defined on quantum L_p spaces

    Quantum Doubly Stochastic Operators on Non-commutative $L_p$-Spaces

    Emma Sulaver

  2. math.FA 2026-05-17 reviewed
    Blaschke sums maximize functional affine surface area for radial log-concave functions

    Blaschke operations on log-concave functions and affine isoperimetric inequalities

    Effrosyni Chasioti +1

  3. math.CA 2026-05-17 reviewed
    Space bounds one maximal operator but not the sharp one

    A Banach space that distinguishes two maximal operators

    Vjekoslav Kova\v{c}

  4. math.FA 2026-05-17 reviewed
    Residual collapse equates ordered POVM realizations by surviving effects

    Ordered POVMs and Residual Collapse

    James Tian

    4 Piths
  5. math.OA 2026-05-17 reviewed
    Endomorphism categories for type III factors extend to compact groups

    Continuous categories of endomorphisms associated with $G$-kernels

    Marcel Bischoff +1

  6. math.FA 2026-05-17 reviewed
    Nonuniform periodic wavelet frames constructed on non-Archimedean fields

    Nonuniform Periodic Wavelet Frames on Non-Archimedean Fields

    Owais Ahmad

  7. math.FA 2026-05-17 reviewed
    Singular value functions now defined on every C*-algebra

    Singular value functions for C\(^*\)-algebras

    Naoto Fujitsu

  8. math.FA 2026-05-16 reviewed
    New fidelity family interpolates to Uhlmann at midpoint

    A Weighted Spectral Quantum Fidelity

    Cong Trinh Le +3

  9. quant-ph 2026-05-16 reviewed
    Spectral geometric mean inequality identifies trace multiples

    Spectral geometric mean and trace characterizations

    Airat Bikchentaev +3

  10. math.AP 2026-05-16 reviewed
    Laguerre propagator continuity proves Cauchy problem well-posedness

    Continuity properties of the Laguerre operator and its propagator

    Smiljana Jak\v{s}i\'c +2

  11. math.FA 2026-05-16 reviewed
    Equation recovers spectral geometric mean for two operators

    A multivariable mean equation arising from the spectral geometric mean

    Sejong Kim +1

  12. math.FA 2026-05-15 reviewed
    Subgroup index sets make Gabor frame operators block-diagonal

    Block-equivalent finite Gabor frames

    Oleg Asipchuk +2

  13. math.FA 2026-05-15 reviewed
    Archimedean cones give integral reps without semiring assumptions

    Moment problems on compacts of characters of an unital commutative algebra

    Dragu Atanasiu

  14. math.GN 2026-05-15 reviewed
    New uniformity on median algebras yields minimal compactification

    Intrinsic uniform structure on median algebras

    Michael Megrelishvili

  15. cs.LG 2026-05-15 reviewed
    Transformers modeled as time-dependent Wasserstein gradient flows

    Multi-Headed Transformer Architectures as Time-dependent Wasserstein Gradient Flows

    Alex Massucco +4

  16. math.NT 2026-05-15 reviewed
    Amice duality defined over any Banach ring without choosing p

    Duality of analytic Hopf algebras and the Amice transform

    Luca Collauto

  17. math.FA 2026-05-15 reviewed
    Zero-measure spectra force unitarity under controlled inverse growth

    A proof of Esterle's conjecture on negative powers of Hilbert-space contractions

    Thomas Ransford

    2 Piths
  18. math.FA 2026-05-15 reviewed
    Normal and unitary operators defined on smooth Banach spaces

    On properties of normal operators and self-adjoint operators on smooth Banach spaces

    Mohammed Shameem +1

  19. cs.LG 2026-05-14 reviewed
    Operator networks approximate nonlinear operators and their derivatives

    Universal Approximation of Nonlinear Operators and Their Derivatives

    Filippo de Feo

    2 Piths
  20. math.FA 2026-05-14 reviewed
    Dunkl-Schrödinger Hardy dual is BMO subspace

    The dual of the Hardy space associated to the Dunkl-Schr\"odinger operator with reverse H\"older class potential

    P. Athulya +1

  21. math.NA 2026-05-14 reviewed
    Wavelets serve as eigenfunctions for Koopman analysis

    Wavelet-Based Observables for Koopman Analysis: An Extended Dynamic Mode Decomposition Framework

    Cankat Tilki +1

  22. math.FA 2026-05-13 reviewed
    Perfect graphs characterize duality in combinatorial Banach spaces

    Geometric duality, perfect graphs, and the Sierpi\'nski space

    Piotr Borodulin-Nadzieja +2

  23. math.FA 2026-05-13 reviewed
    Invariant subspaces described for superharmonic weighted Dirichlet spaces

    Superharmonically Weighted Dirichlet Spaces

    H. Bahajji-El Idrissi +3

  24. math.CV 2026-05-13 reviewed
    Averaged derivatives characterize H^p for quasiregular maps

    Hardy spaces and quasiregular mappings: averaged derivatives and the $\mathbb{BMO}$ case

    Tomasz Adamowicz +1

  25. math.AP 2026-05-13 reviewed
    Finsler Liouville solutions classified under finite mass alone

    Classification of solutions to the singular Liouville's equation associated with the $N$ Finsler Laplacian

    Jianwei Xue +1

  26. math.FA 2026-05-13 reviewed
    Sylvester equation ax-xb=c solvable iff c meets spectral test

    Solving the Sylvester equation in Banach modules

    Bogdan Djordjevi\'c

  27. math.AP 2026-05-13 reviewed
    Non-local Robin conditions make heat semigroups ultracontractive

    Ultracontractivity of Heat semigroups in $\mathrm{L}^{2}\left( \Omega \right)$ with non-local Robin boundary conditions using Nash's inequality

    Christoph Schwerdt

  28. math.AP 2026-05-13 reviewed
    General Robin boundary operators yield ultracontractive heat flows

    Ultracontractivity of Heat semigroups in $\mathrm{L}^{2}\left( \Omega \right)$ with non-local Robin boundary conditions using Nash's inequality

    Christoph Schwerdt

  29. math.FA 2026-05-13 reviewed
    Triangle-perimeter condition extends fixed-point results for multivalued maps

    Petrov type extension for multivalued contraction mappings

    Hakan Sahin +2

  30. cs.LG 2026-05-13 reviewed
    High-rank PINNs generalize despite differential operators

    Unified generalization analysis for physics informed neural networks

    Yuka Hashimoto +1

  31. math.FA 2026-05-13 reviewed
    X* without RNP makes E*(X*) ball fail as James boundary for E(X)

    On weak convergence in K\"{o}the-Bochner function spaces

    Jos\'e Rodr\'iguez

  32. math.DS 2026-05-13 reviewed
    Reverse IFS yield explicit mass and Hausdorff dimensions

    Reverse Iterated Function Systems: Density, Dimensions, and $p$-adic Extension

    Junjie Miao +1

    1 Piths
  33. math.FA 2026-05-12 reviewed
    Horizontal currents in Heisenberg group decompose via Smirnov

    Smirnov Decomposition of a Horizontal Vector Charge in the Heisenberg Group

    Zhengyao Huang +1

  34. math.FA 2026-05-12 reviewed
    Strongly integrable operator functions generate norm-countably additive measures

    Strongly Integrable Operator-Valued Functions, Generated Vector Measures and Compactness of Integrals

    Milo\v{s} Arsenovi\'c +3

  35. math.FA 2026-05-12 reviewed
    Integrals of compact operators stay compact without ℓ¹ copies

    Strongly Integrable Operator-Valued Functions, Generated Vector Measures and Compactness of Integrals

    Milo\v{s} Arsenovi\'c +3

  36. math.OA 2026-05-12 reviewed
    Regular inclusions of simple C*-algebras are twisted crossed products

    Regular irreducible inclusions of simple $C^*$-algebras and crossed product structure

    Keshab Chandra Bakshi +2

  37. math.PR 2026-05-12 reviewed
    SE(2) Langevin dynamics yield effective diffusion on R²

    Hypocoercive Langevin dynamics on the Lie group $\mathrm{SE}(2)$

    Martin Grothaus +1

  38. math.DS 2026-05-12 reviewed
    Conformable Laplace transform solves diffusion equations

    On solution of Diffusion Equation using Conformable Laplace Transform

    Somnath Sarate +2

  39. math.FA 2026-05-12 reviewed
    ISS open problem resolved via structured maximal regularity

    Implications of structured continuous maximal regularity

    Philip Preu{\ss}ler (1) +5

  40. math.FA 2026-05-12 reviewed
    Conditions equate norm attainment and weak continuity for multilinear maps

    Norm attainment for multilinear operators and polynomials on Banach Spaces and Banach lattices

    Luis A. Garcia +2

  41. math.PR 2026-05-12 reviewed
    ℓ_p-balls have intrinsic volumes given by one-dimensional integrals

    Intrinsic volumes of $\ell_p$-balls and a continuum of Maxwell--Poincar\'e--Borel laws for their curvature measures

    Zakhar Kabluchko +2

  42. math.FA 2026-05-12 reviewed
    Kannan mappings equate weakest conditions

    A comparison of the weakest contractive conditions for Banach and Kannan mappings

    Shunya Hashimoto +3

  43. math.CV 2026-05-12 reviewed
    Condensed sets recover Serre duality and Riemann-Roch for complex manifolds

    Condensed Mathematics and Complex Geometry

    Dustin Clausen +1

  44. math.OA 2026-05-12 reviewed
    Relative Kubo-Ando means of CP maps are representation-independent

    Relative Kubo-Ando Means of Completely Positive Maps

    Mohsen Kian

  45. math.OA 2026-05-12 reviewed
    Kubo-Ando means extended to completely positive maps

    Relative Kubo-Ando Means of Completely Positive Maps

    Mohsen Kian

  46. math.FA 2026-05-11 reviewed
    Bounded averaging projections hold in nonconvex Lorentz spaces

    Boundedness of the averaging projections in nonlocally convex Lorentz sequence spaces and applications to basis theory

    Fernando Albiac +2

  47. math.FA 2026-05-11 reviewed
    Abelian locally von Neumann algebras reduce to direct integral diagonals

    Functional Models of Abelian Locally von Neumann Algebras and Direct Integrals of Locally Hilbert Spaces

    Aurelian Gheondea +2

  48. math.AP 2026-05-11 reviewed
    Positivity makes generalized Stokes operator invertible on cylindrical domains

    Well-posedness of a generalized Stokes operator on domains with cylindrical ends via layer-potentials

    Mirela Kohr +2

  49. math.FA 2026-05-11 reviewed
    Strip measures with pure-point spectra grow exponentially

    Some properties of Fourier quasicrystals and measures on a strip

    Sergii Favorov +1

  50. math.FA 2026-05-11 reviewed
    Equivariant subhomogeneous C* bundles are pullbacks from compact spaces

    Obstructed subhomogeneous-bundle extensions and embeddings

    Alexandru Chirvasitu