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428 papers in math.CA · page 1

  1. math.FA 2026-05-22 reviewed
    Crystalline measures can fail translation boundedness as distributions

    On almost periodicity in crystalline measures

    Jan Maz\'a\v{c} +2

  2. math.CA 2026-05-22 reviewed
    Method yields fourth-order DE for Laguerre-Hahn polynomials

    On a general method for deriving a fourth-order differential equation satisfied by Laguerre-Hahn orthogonal polynomials with new results for the class 0 analogous to Hermite

    Mohamed Khalfallah +2

  3. math.CA 2026-05-21 reviewed
  4. math.CA 2026-05-21 reviewed
    Conjecture pins down when sparse spherical averages are bounded

    A conjecture for arithmetic spherical maximal functions

    Kevin Hughes

  5. math.CA 2026-05-21 reviewed
    Hausdorff dimension k suffices for simplex volumes up to ambient dimension 2k

    On volumes of simplices in intermediate dimensions

    Jos\'e Gaitan Montejo +1

  6. math.CA 2026-05-21 reviewed
    DPPs on manifolds bound discrepancy to O(sqrt(N^{1-1/D}) log N)

    Discrepancy of determinantal point processes on compact, connected two-point homogeneous spaces

    Carlos Beltr\'an +4

  7. math.FA 2026-05-20 reviewed
    Component-wise conditions give nine fixed points in product spaces

    Hybrid and Component-wise Leggett-Williams type Fixed Point Theorems in Product Spaces with Applications

    Laura Mar\'ia Fern\'andez-Pardo

  8. math.FA 2026-05-20 reviewed
    Maximal operator bounded on generalized Fofana spaces

    Boundedness of the Hardy-Littlewood maximal operator on generalized fofana spaces

    Pokou Nagacy +2

  9. math.CA 2026-05-20 reviewed
    Lower bound 2st/(s+2t) for Fourier dim of (s,t)-Kakeya sets

    Fourier analytic variants of the Furstenberg and Kakeya problems

    Jonathan M. Fraser +1

  10. nlin.SI 2026-05-20 reviewed
    Polynomial Hamiltonians yield meromorphic solutions only for degrees 3,4,5,7

    Modified Painlev\'e systems with meromorphic solutions for polynomial Hamiltonians of all degrees

    Marta Dell'Atti +1

    5 Piths
  11. math.CA 2026-05-20 reviewed
    Bessel integral bound holds uniformly for all gamma in (0,1)

    Weighted Uniform Endpoint Majorants for Integrals Involving Modified Bessel Functions

    Yaoran Yang +1

    5 Piths
  12. math.FA 2026-05-20 reviewed
    Atomic decompositions obtained for matrix-weighted variable Hardy spaces

    Atomic Characterization and Its Applications of Matrix-Weighted Variable Hardy Spaces

    Yiqun Chen +3

  13. math.FA 2026-05-19 reviewed
    Gaussian STFT achieves local L2-stable phase retrieval at constants

    $L^2$-Stability for STFT phase retrieval

    Susanna Bertolini +4

  14. math.FA 2026-05-19 reviewed
    Brascamp-Lieb inequality bounds fractal dimensions from projections

    Brascamp--Lieb inequalities for fractal dimensions

    Jonathan M. Fraser

  15. math.CA 2026-05-19 reviewed
    Two wavelet proofs establish Fefferman extension bound for parabola

    A discussion of two new proofs of Fefferman's Fourier extension theorem in the plane

    Eric T. Sawyer

  16. math.CA 2026-05-19 reviewed
    Law of iterated logarithm extends to smooth half-space functions

    The Law of the iterated logaritm for smooth functions

    Jos\'e G. Llorente +1

  17. math.CA 2026-05-19 reviewed
    Poisson A2 still forces 3/2 growth on Hilbert transform

    The Poisson Matrix $\mathbf{A}_2$ characteristic and the 3/2 blow up of the Hilbert transform

    Komla Domelevo +4

  18. math.CA 2026-05-19 reviewed
    Regularized bilinear cone multiplier bounded on L^p for Hölder exponents

    The bilinear cone multiplier on $\mathbb{R}^2\times \mathbb{R}^2$

    Luz Roncal +3

  19. math.CA 2026-05-19 reviewed
    L^{-α/2} bounds critical Morrey spaces to BMO_L

    Some new estimates for generalized fractional integrals associated with operators on Morrey spaces

    Hua Wang

  20. math.AP 2026-05-19 reviewed
    Stability inequality proven for HLS critical points in non-Hilbert distance

    Stability for Critical Points of the Hardy--Littlewood--Sobolev Inequality and a Dual Stability Framework

    Lu Chen +2

  21. math.CA 2026-05-18 reviewed
    Tree labelings fully characterize maximal spectra of certain Cantor measures

    On the spectra of Cantor measures

    Leandro Zuberman

  22. math.CA 2026-05-18 reviewed
    Abel towers reveal gaps between polynomial and exponential growth

    What lies between polynomial and exponential growth?

    Titus Hilberdink

  23. math.CA 2026-05-18 reviewed
    Sharp conjugate bound removes log loss for trig polynomial minima

    Sharp Estimates for Conjugate Functions with Applications to Trigonometric Polynomials

    Silouanos Brazitikos

  24. math.CA 2026-05-18 reviewed
    Gabor systems form unconditional frames in L^p for p>2 on characterized sets

    Gabor unconditional bases and frames in $L^p(\mathbb{R})$

    Nir Lev +1

  25. math.CA 2026-05-17 reviewed
    Bounded K_4 operator implies rectifiable curve in Heisenberg group

    On singular integrals with non-negative kernels in the Heisenberg group

    Vasileios Chousionis +2

  26. 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}

  27. math.PR 2026-05-17 reviewed
    Orthonormal Gaussian zeros repel for k=1 and attract for k=2

    Zero correlations and averaged fields of orthonormal Gaussian functions

    Lu\'is Daniel Abreu +1

  28. math.MG 2026-05-15 reviewed
    Coarea formula holds for maps from Heisenberg group to R^{2n}

    Area of H\"older curves and coarea formula on the Heisenberg group

    Gioacchino Antonelli +1

    2 Piths
  29. math.CA 2026-05-15 reviewed
    Polytope projections produce higher Prony systems

    Projections of convex polytopes to a line and higher univariate Prony systems

    Boris Shapiro

  30. math.CA 2026-05-15 reviewed
    Solitary wave profiles recovered with sublinear L2 error from perturbed inputs

    Generalized Error Bounds in the Recovery of Solitary Wave Profiles

    Daniel Sinambela

  31. math.DS 2026-05-15 reviewed
    LCA group actions on tori split into uniquely ergodic subsystems

    A Weyl-type theorem for Diophantine approximations driven by LCA groups and applications

    Aihua Fan

  32. math.CA 2026-05-14 reviewed
    New proof bounds strong maximal operator on Heisenberg groups

    A new proof of maximal theorem on Heisenberg groups

    Chuhan Sun +1

  33. math.CA 2026-05-14 reviewed
    Heisenberg maximal operator bounded from L^p to L^q

    A new proof of maximal theorem on Heisenberg groups

    Chuhan Sun +1

  34. math.CA 2026-05-14 reviewed
    Quadratic splines achieve minimal curvature for monotone Hermite data

    Optimal $C^{1,1}$ and Quasi-Optimal $C^2$ Monotone Interpolation with Curvature Control

    Fushuai Jiang +1

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

    Superharmonically Weighted Dirichlet Spaces

    H. Bahajji-El Idrissi +3

  36. math.NT 2026-05-13 reviewed
    Character sums reach √p log log p over intervals

    Large values of shifted mixed character sums

    N\'eo Tardy

  37. math.NA 2026-05-13 reviewed
    Galerkin linear elements deliver sharp rates for discrete fractional Sobolev constant

    Galerkin Approximation of the Fractional Sobolev Constant

    Andreea Dima +1

  38. math.DG 2026-05-12 reviewed
    Helix Möbius energy asymptotics extracted via meromorphic extension

    Complex methods in the asymptotics of M\"obius energy integrals of helix curves

    Max Lipton

  39. 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

  40. math.CA 2026-05-12 reviewed
    Graph vertex count sets ℓ^p bounds for distance forms

    $\ell^{p}$ improving estimates for multilinear forms motivated by distance graphs

    Eyvindur Palsson +1

  41. math.CA 2026-05-11 reviewed
    Rational solutions of Abel equations are reciprocals of polynomials

    On the rational solutions of generalized Abel equations

    L.A. Calderon +1

  42. math.CA 2026-05-11 reviewed
    Born-Jordan concentration optimizers exist only below critical p

    On the existence of optimizers for nonlinear time-frequency concentration problems: the Born--Jordan distribution

    Federico Stra +2

  43. math.CV 2026-05-11 reviewed
    Backward shift on H^4 has norm fourth root of golden ratio

    The norm of the backward shift on $H^4$ is $\sqrt[4]{\varphi}$

    Konstantinos Bampouras +1

  44. math.CA 2026-05-11 reviewed
    Coifman-Meyer variants define Jacobian and Hessian as distributions

    Multilinear multiplier theorems and their applications to the Jacobian and the Hessian determinant

    Hoai-Minh Nguyen +1

  45. math.AP 2026-05-11 reviewed
    Elastica energy limits to 2π multiples at each concentration

    Concentration effects and $\Gamma$-limit for the elastica functional for open and closed curves

    Giovanni Bellettini +3

  46. math.CA 2026-05-10 reviewed
    Sharp (p,q) range determined for fractal measure convolutions

    Sharpness of convolution bounds for measures

    Sanghyuk Lee +1

  47. math.CA 2026-05-10 reviewed
    Strichartz estimates for orthonormal systems extend to non-sharp region

    Strichartz estimates for orthonormal systems on compact manifolds: the non-sharp region

    Hongzhou Ji +2

  48. math.CA 2026-05-09 reviewed
    Grushin operators obey isoperimetric inequality with dimension Q

    Isoperimetric Inequality for degenerate elliptic operators of Grushin type

    Dangyang He

  49. math.FA 2026-05-08 reviewed
    Chirp conjugation transfers Littlewood-Paley theory to FrFT

    Recent progress of Littlewood-paley Theory with chirp function

    Xiang Li Qianjun He +1

  50. math.FA 2026-05-08 reviewed
    Chirp conjugation transfers FrFT Littlewood-Paley estimates unchanged

    Recent progress of Littlewood-paley Theory with chirp function

    Xiang Li Qianjun He +1