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428 papers in math.CA · page 7

  1. math.CA 2025-04-28 reviewed
    Measure on (0,1) fixes boundedness of generalized Hilbert operators

    Generalized Hilbert matrix operators acting on weighted sequence spaces

    Jianjun Jin

  2. math.CA 2025-04-16 reviewed
    Multilinear rough-kernel integrals bounded under multiple weights

    Weighted estimates for Multilinear Singular Integrals with Rough Kernels

    Bae Jun Park

  3. math.NA 2025-04-13 reviewed
    Finite elements reach optimal rates for Sobolev constant

    Optimal convergence rates for the finite element approximation of the Sobolev constant

    Liviu I. Ignat +1

  4. math.DS 2025-03-18 reviewed
    KAM tori persist as most probable paths under noise

    Most Probable KAM Tori in Stochastic Hamiltonian Systems

    Xinze Zhang +1

  5. math.CA 2025-03-14 reviewed
    q-Middle convolution reformulation adds under composition

    Reformulation of $q$-Middle Convolution and Applications

    Yumi Arai +1

  6. math.AP 2025-03-10 reviewed
    Fundamental solution bounds equivalent to Moser estimates

    Degenerate parabolic equations in divergence form: fundamental solution and Gaussian bounds

    Khalid Baadi

  7. math.CA 2025-03-10 reviewed
  8. math.CA 2025-03-05 reviewed
    Positive product formula holds for k-Hankel transform kernels

    A positive product formula of integral kernels of $k$-Hankel transforms

    Wentao Teng

  9. math.CA 2025-03-05 reviewed
    Global center holds exactly when a and b factor through trig polynomial

    Global Centers in Piecewise linear Differential Equations in the Cylinder

    J.L. Bravo +1

  10. math.CA 2025-03-03 reviewed
    Hardy uncertainty principle holds for (k

    Hardy's Theorem for the $(k,\frac{2}{n})-$Fourier Transform

    Hanen Jilani +1

  11. math.CA 2025-02-22 reviewed
    Brownian exit times sharpen dyadic square function bounds

    Sharp Lower Bounds for Dyadic Square Functions of indicator functions of sets

    Natanael Alpay +1

  12. math.NT 2025-02-20 reviewed
    Asymptotics count rational points near finite type curves

    Rational points near planar flat curves

    Mingfeng Chen

  13. math.CA 2025-02-14 reviewed
    Sparse ratios approaching 1 still generate L^p(R) translates

    Completeness of sparse, almost integer and finite local complexity sequences of translates in $L^p(\mathbb{R})$

    Nir Lev +1

  14. math.PR 2025-02-13 reviewed
    Fourier dimension of fBM graph equals 1 almost surely

    Fourier dimension of the graph of fractional Brownian motion with $H \ge 1/2$

    Chun-kit Lai +1

  15. math.CA 2025-02-03 reviewed
    Middle Laplace transform stays invertible on irregular Pfaffian systems

    Middle Laplace transform and middle convolution for linear Pfaffian systems with irregular singularities

    Shunya Adachi

  16. math.CA 2025-01-27 reviewed
    Kernel estimators recover varifolds from point samples

    A varifold-type estimation for data sampled on a rectifiable set

    Charly Boricaud +1

  17. math.CA 2025-01-27 reviewed
    Partial theta zeros with Re(x)≥0 confined to half-annulus 1<|x|<5

    On the location of the complex conjugate zeros of the partial theta function

    Vladimir Petrov Kostov

  18. cs.SC 2025-01-23 reviewed
    Support bound computes minimal equations for dynamical systems

    Projecting dynamical systems via a support bound

    Yulia Mukhina +1

  19. math.CA 2025-01-19 reviewed
    Littlewood-Paley theory bounds Mittag-Leffler Fourier transforms in L^p for low γ

    A Littlewood-Paley approach to the Mittag-Leffler function in the frequency space and applications to nonlocal problems

    Ahmed A. Abdelhakim

  20. math.CA 2025-01-14 reviewed
    Algorithm computes exact Carleson constant

    Optimization algorithms for Carleson and sparse collections of sets

    Eline A. Honig +1

  21. math.DS 2025-01-11 reviewed
    Time rescaling equates μ-dichotomies to ordinary ones

    Generalized dichotomies via time rescaling

    Davor Dragicevic +1

  22. math.LO 2024-12-14 reviewed
    Maximal analytic Hardy fields share intersection of all maximal ones

    Relative differential closure in Hardy fields

    Matthias Aschenbrenner +2

  23. math.CA 2024-12-10 reviewed
    Conditions on ψ and γ bound singular operators along curves

    Estimates for strongly singular operators along curves

    Magali Folch-Gabayet +1

  24. math.DG 2024-12-06 reviewed
    Conformal geodesic equation is variational in 3D

    Variationality of conformal geodesics in dimension 3

    Boris Kruglikov +2

  25. math.CA 2024-12-03 reviewed
    Hypergeometric formulas given for orthogonal scaling functions

    Compactly supported, orthogonal, continuous piecewise polynomial multiresolution analysis

    Lidia Fern\'andez +2

  26. math.CA 2024-12-03 reviewed
    Bedford-McMullen carpets block oblique self-embeddings

    Self-embedding similitudes of Bedford-McMullen carpets with dependent ratios

    Jian-Ci Xiao

  27. math.CA 2024-11-25 reviewed
    Counterexample exposes flaw in original Lavrentiev proof

    Revisiting the Lavrentiev Phenomenon in One Dimension

    Wiktor Wichrowski

  28. math.SP 2024-11-25 reviewed
    Conjecture states when block Toeplitz spectra stay real

    On reality of eigenvalues of banded block Toeplitz matrices

    Dario Giandinoto

  29. math.CA 2024-11-06 reviewed
    Generalized generating function yields new hypergeometric product formulas

    Product formulas for basic hypergeometric series by evaluations of Askey--Wilson polynomials

    Howard Cohl +1

  30. math.FA 2024-11-04 reviewed
    Commutator Schatten membership equals Besov or constancy of multiplier

    Schatten properties of commutators on metric spaces

    Tuomas Hyt\"onen

  31. math.AP 2024-10-31 reviewed
    Parabolic regularity problem solvable for some p>1

    The $L^p$ regularity problem for parabolic operators

    Martin Dindo\v{s} +2

  32. math.FA 2024-09-30 reviewed
    Not every summable positive matrix admits the rank-one factorization

    Factorization of positive-semidefinite operators with absolutely summable entries

    Radu Balan +1

  33. math.CA 2024-09-22 reviewed
    Exponential polynomials pass regular growth to DE solutions

    On the Goldberg-Ostrovskii Problem for Linear Differential Equations with Exponential Polynomial Coefficients

    Xing-Yu Li

  34. math.CA 2024-09-18 reviewed
    Triangles of constant width replace circles in Fourier series for letter shapes

    Application of a Fourier-Type Series Approach based on Triangles of Constant Width to Letterforms

    Micha Wasem +1

  35. math.CA 2024-09-08 reviewed
    Derivative positivity bounds non-negative polynomials

    Inequalities for exponential polynomials with applications to moment sequences

    Ognyan Kounchev +2

  36. math.CA 2024-08-07 reviewed
    Bilinear estimates bound paraboloid extension to L^r for r > 32/9

    A bilinear approach to the finite field restriction problem

    Mark Lewko

  37. math.CA 2024-07-24 reviewed
    DAHA automorphism t4 maps Askey-Wilson polynomials to functions

    Automorphisms of the DAHA of type $\check{C_1}C_1$ and non-symmetric Askey-Wilson functions

    Tom H. Koornwinder +1

  38. math.CA 2024-07-16 reviewed
    Conditions ensure singular solutions for conjugate equations

    Quantitative estimates for singularity for conjugate equations driven by linear fractional transformations

    Kazuki Okamura

  39. math.CA 2024-07-12 reviewed
    Weierstrass-type functions keep Hölder regularity along b-adic partitions

    On H\"older continuity and $p^\mathrm{th}$-variation function of Weierstrass-type functions

    Matyas Barczy +1

  40. math.CA 2024-07-09 reviewed
    Five properties shown equivalent for classical orthogonal polynomials in two variables

    Characterization of classical orthogonal polynomials in two continuous variables

    Maurice Kenfack Nangho +2

  41. math.CA 2024-06-11 reviewed
    Optimal (p,q) region found for maximal operators on R^3 hypersurfaces

    Maximal functions related to homogeneous hypersurfaces in $\mathbb{R}^3$

    Wenjuan Li +1

  42. math.AP 2024-06-04 reviewed
    Maxwell-Dirac system has global small-data solutions with modified scattering

    Modified scattering for the three dimensional Maxwell-Dirac system

    Sebastian Herr +2

  43. math.DS 2024-06-03 reviewed
    Gradient ODE keeps its equilibrium connections under small memory

    Stability of phase portrait for a gradient ODE with memory

    Piotr Kalita +1

  44. math.PR 2024-05-27 reviewed
    Harmonic ensemble achieves optimal Wasserstein rates on manifolds

    Equidistribution of points in the Harmonic ensemble for the Wasserstein distance

    Pablo Garc\'ia-Arias

  45. math.GT 2024-05-10 reviewed
    Lipschitz functions converge when Clarke subdifferentials do

    Applications of the Painlev\'e-Kuratowski convergence: Lipschitz functions with converging Clarke subdifferentials and convergence of sets defined by converging equations

    Daniel Fatu{\l}a

  46. math.CA 2024-04-23 reviewed
    Random Cantor sets satisfy FUP with exponent 1/2-3d/4

    Fractal uncertainty principle for random Cantor sets

    Xiaolong Han +1

  47. math.CA 2024-04-02 reviewed
    Factorization gives S-node inequalities in interpolation

    $S$-nodes, factorisation of spectral matrix functions and corresponding inequalities

    Alexander Sakhnovich

  48. math.AC 2024-03-28 reviewed
    Normalization theorems reduce differential equations over H-fields

    Normalizing Asymptotic Differential Equations

    Matthias Aschenbrenner +2

  49. math.CA 2024-02-07 reviewed
    Asymptotic bounds derived for radial Mittag-Leffler Fourier transform

    On the asymptotic behaviour of the Fourier transform of the Mittag-Leffler function

    Ahmed A. Abdelhakim

  50. math.PR 2024-01-18 reviewed
    Vanishing fractional noise forces singular ODEs to instant exit

    Zero noise limit for singular ODE regularized by fractional noise

    {\L}ukasz M\k{a}dry +1