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  1. Nonpositively Curved Surfaces are Loewner

    We show that every closed nonpositively curved surface satisfies Loewner’s systolic inequality. The proof relies on a combination of the Gauss–Bonnet...

    Mikhail G. Katz, Stéphane Sabourau in The Journal of Geometric Analysis
    Article Open access 10 July 2024
  2. Left-Invariance for Smooth Vector Fields and Applications

    Stefano Biagi, Andrea Bonfiglioli, Sergio Polidoro in The Journal of Geometric Analysis
    Article Open access 10 July 2024
  3. Boundary Rigidity, and Non-Rigidity, of Projective Structures

    We investigate the property of boundary rigidity for the projective structures associated to torsion-free affine connections on connected smooth...

    Jack Borthwick, Niky Kamran in The Journal of Geometric Analysis
    Article 10 July 2024
  4. Octonionic Calabi–Yau Theorem

    On a certain class of 16-dimensional manifolds a new class of Riemannian metrics, called octonionic Kähler, is introduced and studied. It is an...

    Semyon Alesker, Peter V. Gordon in The Journal of Geometric Analysis
    Article Open access 10 July 2024
  5. Boundedness of multilinear commutators of singular integral operators on variable Herz-type spaces

    In this paper, we establish the boundedness of multilinear commutators of Hardy–Littlewood maximal operators on Herz-type spaces where all the...

    Zouheyr Zeghad, Souheyb Dehimi in The Journal of Analysis
    Article 09 July 2024
  6. Restriction Theorems and Strichartz Inequalities for the Laguerre Operator Involving Orthonormal Functions

    In this paper, we prove restriction theorems for the Fourier–Laguerre transform and establish Strichartz estimates for the Schrödinger propagator ...

    Guoxia Feng, Manli Song in The Journal of Geometric Analysis
    Article 08 July 2024
  7. On Taylor’s formulas in fractional calculus: overview and characterization for the Caputo derivative

    This paper discusses some aspects of Taylor’s formulas in fractional calculus, focusing on use of Caputo’s definition. Such formulas consist of a...

    Roberto Nuca, Matteo Parsani in Fractional Calculus and Applied Analysis
    Article 08 July 2024
  8. Integrals involving log and polylogarithms associated with Euler sums

    Integrals that contain polylogarithmic functions in the integrand are occasionally represented in closed form by utilizing specialized Euler sums. We...

    Anthony Sofo, Junesang Choi in The Journal of Analysis
    Article 08 July 2024
  9. Common fixed points of a pair of \((\psi ,\phi )\)-weakly contractive maps via ceiling distance with applications

    In this paper, we discuss a critical analysis of a paper by Kumar (J Comput Appl Math 404:1–16 2022), found some corrections through the use of...

    Koti N. V. V. Vara Prasad, Vinay Mishra in The Journal of Analysis
    Article 05 July 2024
  10. Measure-operator convolutions and applications to mixed-state Gabor multipliers

    For the Weyl-Heisenberg group, convolutions between functions and operators were defined by Werner as a part of a framework called quantum harmonic...

    Hans G. Feichtinger, Simon Halvdansson, Franz Luef in Sampling Theory, Signal Processing, and Data Analysis
    Article Open access 03 July 2024
  11. Recurrent Lorentzian Weyl Spaces

    Andrei Dikarev, Anton S. Galaev, Eivind Schneider in The Journal of Geometric Analysis
    Article 02 July 2024
  12. On the Stability of Killing Cylinders in Hyperbolic Space

    In this paper we study the stability of a Killing cylinder in hyperbolic 3-space when regarded as a capillary surface for the partitioning problem....

    Antonio Bueno, Rafael López in The Journal of Geometric Analysis
    Article 01 July 2024
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