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228 papers in math.SP · page 2

  1. math.FA 2026-05-02 reviewed
    Formulas tie dissipation to node geometry in interpolation systems

    Dissipation and c-Entropy in Nevanlinna-Pick Interpolation

    Sergey Belyi +2

  2. math.SP 2026-05-02 reviewed
    Bloch variety irreducible iff quotient graph connected for generic parameters

    Generic Irreducibility of Bloch Varieties for Periodic Graph Operators

    Matthew Faust +1

  3. cs.LG 2026-05-01 reviewed
    Spectral sparsifiers keep GNN embedding geometry stable

    Spectral Graph Sparsification Preserves Representation Geometry in Graph Neural Networks

    Sanjukta Krishnagopal

  4. math.PR 2026-05-01 reviewed
    Symmetric reset sites remove rate dependence from ruin probability

    Spectral Duality and Reset-Neutral Distributions in Random Walks with Multi-Site Geometric Resetting

    Juan Antonio Vega Coso

  5. math.AP 2026-05-01 reviewed
    Catenoids gain extra kernel at radius critical points

    Robin nullity and asymptotic geometry of the critical hyperbolic catenoid

    Alexander Pigazzini

  6. math.AP 2026-05-01 reviewed
    Hyperbolic catenoid nullity jumps to 3 at radius critical points

    Robin nullity and asymptotic geometry of the critical hyperbolic catenoid

    Alexander Pigazzini

  7. math.AP 2026-05-01 reviewed
    Robin nullity reaches at least 3 at critical hyperbolic catenoids

    Robin nullity and asymptotic geometry of the critical hyperbolic catenoid

    Alexander Pigazzini

  8. math.DG 2026-04-30 reviewed
    Scalar curvature rigidity holds on odd-dimensional cone singularities

    Lipschitz rigidity for scalar curvature on singular manifolds in odd dimensions

    Lukas Schoenlinner

  9. math.SP 2026-04-30 reviewed
    Negative periodic perturbations shift non-local spectra left

    Negative spectrum of non-local operators with periodic potential

    S. Pirogov +1

  10. math-ph 2026-04-30 reviewed
    Nilpotents collapse hypergeometric functions to polynomials

    Hypergeometric Functions of Nilpotent Operators: Functional Collapse and Structural Depth at Exceptional Points

    Ramon Moya

  11. math.CO 2026-04-29 reviewed
    Random walks normalize Hodge Laplacians on simplicial complexes

    Root-to-Leaf Path Random Walks, Normalized Hodge Laplacians, and Cheeger Inequalities on Simplicial Complexes

    Francesco Vigan\`o +3

  12. math-ph 2026-04-29 reviewed
    Chern character jumps keep states delocalized under disorder

    Dynamical delocalization in disordered 2D Chern insulators

    Gianluca Panati +2

  13. math.AP 2026-04-29 reviewed
    Chagas dispersal operator generates analytic semigroup

    Analytic semigroup generated by the dispersal process of a sylvatic transmission model of Chagas disease

    Narimene Benarbia (LANLMA) +3

  14. math.SP 2026-04-29 reviewed
    All eigenvalue sets described for genus 3 graph Laplacians

    Flexibility of eigenvalues for graph Laplacians arising from genus 3 surfaces

    Alena Erchenko +2

  15. math.DG 2026-04-28 reviewed
    Hadamard coefficients derived from Green's operators

    Formulas for Hadamard coefficients in terms of Green's operators

    Lennart Ronge

  16. math.FA 2026-04-28 reviewed
    Krylov solvability in Banach spaces blocked by missing complements

    Some results on Krylov solvability in Banach space and connections to spectral theory

    Noe Angelo Caruso

  17. math.FA 2026-04-28 reviewed
    Resolvent holomorphy links Krylov solvability in Banach spaces

    Some results on Krylov solvability in Banach space and connections to spectral theory

    Noe Angelo Caruso

  18. math.DS 2026-04-28 reviewed
    Top Lyapunov exponent is real-analytic in probabilities with explicit polydisc

    Quantitative Analyticity for Lyapunov Exponents of Random Products of Matrices with Explicit Polydiscs and Cauchy Coefficient Bounds

    Abdoulaye Thiam

  19. math.DG 2026-04-28 reviewed
    p-Dirichlet eigenvalue fixes geometry of hyperbolic submanifolds

    Sharp Spectral Bounds for the $p$-Laplacian and Polyharmonic Operators on Asymptotically Hyperbolic Manifolds

    Samuel P\'erez-Ayala

  20. math.CO 2026-04-27 reviewed
    Any m-edge graph has permanental energy at least 2√m

    Permanental Energy of Graphs

    Priyanshu Pant +1

  21. math.DS 2026-04-27 reviewed
    Lyapunov exponents of random GL(2,R) cocycles obey explicit Hölder continuity

    Quantitative H\"older Regularity, Concentration, and Spectral Applications for Lyapunov Exponents of Random $\operatorname{GL}(2,\mathbb{R})$ Cocycles, with Extensions to $\operatorname{GL}(d,\mathbb{R})$

    Abdoulaye Thiam

  22. math.SP 2026-04-26 reviewed
    Moments of AMO intersection spectrum measure are polynomials in λ

    Generalized Aubry-Andr\'e formula and continuity of the intersection spectrum of the Almost Mathieu operator

    Anton Gorodetski +1

  23. math.CO 2026-04-25 reviewed
    Power hypertrees break reciprocal eigenvalue symmetry

    Eigenvalues of Hypergraph Products and Reciprocal Eigenvalue Property

    Shashwath S Shetty +1

  24. math.CO 2026-04-25 reviewed
    Weighted formula extends trigonometric sum on discrete tori

    Weighted discrete tori and weighted trigonometric sums

    Shuofeng Huang +1

  25. math.OA 2026-04-25 reviewed
    Matrix semicircle non-singular at zero iff pencil LR-semisimple

    An algebraic characterization of non-singular matrix semicircles

    Vladislav Kargin

  26. math.CA 2026-04-24 reviewed
    Finite weighted log integral forces Verblunsky decay for m=1,2,3

    Single-Point Higher-Order Szeg\H{o} Sum Rules in OPUC: Necessity for $m=1,2,3$

    Daxiong Piao

  27. math.CO 2026-04-24 reviewed
    New graph families share identical Seidel energy

    Some New Results on Seidel Equienergetic Graphs

    Samir K. Vaidya +1

  28. math.AP 2026-04-24 reviewed
    Joint eigenfunctions get sharp bound h^(-n+k+1)/2 at rank-k points

    Trace estimates and improved pointwise bounds for joint eigenfunctions

    Xianchao Wu +1

  29. math.CO 2026-04-23 reviewed
    FAT chromatic number determined for all complete multipartite graphs

    Spectral Perspectives on FAT Graph Colorings

    Lies Beers +1

  30. math.SP 2026-04-23 reviewed
    Eigenfunctions mix on BS-converging hyperbolic surfaces

    Quantum Mixing for Schr\"odinger eigenfunctions in Benjamini-Schramm limit

    Kai Hippi +4

  31. math.CO 2026-04-23 reviewed
    Combinatorial test gives negative answer for tridiagonal nSSP

    Combinatorial aspects of the non-symmetric strong spectral property for graphs

    Sara Koljan\v{c}i\'c +1

  32. math.SP 2026-04-22 reviewed
    Symbol submatrix eigenvalues fix lattice interface modes

    Topologically protected interface modes in multi-band damped lattice models

    Yannick de Bruijn +1

  33. math.PR 2026-04-22 reviewed
    Perturbed twisted Toeplitz matrices yield 2D eigenvalue limits

    Structured perturbations of tridiagonal twisted Toeplitz matrices

    Dario Giandinoto +1

  34. math.FA 2026-04-22 reviewed
    Subordination to semigroups determines spectrum of Cesaro-Hardy operators

    Ces\`aro-Hardy operators on $L^p[0,1]$: fine spectrum, weighted Koopman semigroups and invariant subspaces

    Luciano Abad\'ias +2

  35. math.PR 2026-04-22 reviewed
    Markov chain comparison yields universal edge statistics for sparse matrices

    Edge Universality for Inhomogeneous Random Matrices II: Markov Chain Comparison and Critical Statistics

    Dang-Zheng Liu +1

  36. math.FA 2026-04-21 reviewed
    Toeplitz operator test proves linear completeness in Sobolev spaces

    Linear completeness of trajectories in Sobolev spaces and the symmetrised polydisk

    Lyonell Boulton +1

  37. math.SP 2026-04-21 reviewed
    Normalized Evans function bounds distance to spectrum

    The Evans function as a lower bound on the spectral distance function

    George Bayliss +1

  38. math.SP 2026-04-21 reviewed
    Negative eigenvalues emerge for wider 2D potentials

    Revisiting the Weak Coupling Phenomenon for Two-Dimensional Schr\"odinger Operators

    Jussi Behrndt +2

  39. math.DG 2026-04-21 reviewed
    Steklov spectrum uniquely determines most triangles

    The Steklov spectrum of convex polygonal domains II: investigating spectral determination

    Emily B. Dryden +4

  40. math.SP 2026-04-20 reviewed
    Wave operators exist and are complete for Szegő Jacobi matrices

    Wave operators for Jacobi matrices

    Sergey A. Denisov +1

  41. math-ph 2026-04-20 reviewed
    Müller minimizer eigenvalues decay as A k^{-8/3}

    Eigenvalue asymptotics of M\"uller minimizers for atoms and molecules

    Rupert L. Frank +3

  42. math.SP 2026-04-20 reviewed
    Riesz means of eigenvalues minimized by ball in limit

    An asymptotic shape optimization problem for Riesz means of Laplacian eigenvalues

    Rupert L. Frank +1

  43. math.CO 2026-04-20 reviewed
    Graphs keep the same energy after adding self-loops to some vertices

    Some New Results on Energy of Graphs with Self Loops

    Kalpesh M. Popat +1

  44. math.RT 2026-04-19 reviewed
    Pointwise bound sharpens L^p estimates for SU(3) characters

    Pointwise character bounds for $\mathrm{SU}(3)$

    Yunfeng Zhang

  45. math.CA 2026-04-16 reviewed
    Spectral condition stabilizes uncertainty principles on manifolds

    Uncertainty principles and singular potentials

    A. Iosevich +1

  46. math.SP 2026-04-16 reviewed
    Witness motifs saturate Weyl bounds on Laplacian perturbations

    Spectral Effects Of Heavy-Tailed Vertex Noise In Geometric Graphs

    Ben Cardoen +4

  47. math.SP 2026-04-16 reviewed
    The paper describes a recursive delete/zero algorithm that builds a binary tree of…

    Recursive determinantal framework for testing D-stability. I

    Olga Y. Kushel

  48. math.OA 2026-04-16 reviewed
    This monograph derives semiclassical Weyl laws and extensions of Connes' integration…

    Noncommutative Geometry, Spectral Asymptotics, and Semiclassical Analysis

    Raphael Ponge

  49. math.OA 2026-04-16 reviewed
    Weyl laws extend to noncommutative manifolds under weak Condition (W)

    Noncommutative Geometry, Spectral Asymptotics, and Semiclassical Analysis

    Raphael Ponge

  50. math.DG 2026-04-16 reviewed
    Criterion guarantees Dirac eigenvalue minimizers on closed spin surfaces

    Conformally critical metrics and optimal bounds for Dirac eigenvalues on spin surfaces

    Pavel Martynyuk