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In this paper, we present the classification of generalized Wallach spaces and discuss some related problems.

Differential Geometry · Mathematics 2020-05-19 Yu. G. Nikonorov

We survey foundational principles of Grothendieck's generalized spaces, including a critical glossary of the various, and often conflicting, terminological usages. Known results using generalized points support a fully pointwise notation…

Category Theory · Mathematics 2022-06-03 Steven Vickers

In this work we generalize the spaces T^{p}_{u} introduced by Calder\'on and Zygmund using a pointwise version of conditions defining the generalized Besov spaces and give conditions binding the functions belonging to these spaces and the…

Functional Analysis · Mathematics 2019-10-08 Laurent Loosveldt , Samuel Nicolay

In this paper, we introduce the notion of generalized $s$-manifolds, which is a generalization of symmetric spaces. Then we give a method to construct generalized $s$-manifolds and present some typical examples. We study polars and…

Differential Geometry · Mathematics 2025-08-20 Shinji Ohno , Takashi Sakai

This paper is devoted to the study of operator-valued Hardy spaces via wavelet method. This approach is parallel to that in noncommutative martingale case. We show that our Hardy spaces defined by wavelet coincide with those introduced by…

Functional Analysis · Mathematics 2014-11-06 Guixiang Hong , Zhi Yin

We introduce an alternative formalization of curved spaces in which the concept of a pointwise affine space, as defined here, replaces that of a manifold. New or modified definitions of familiar notions from differential geometry such as…

Differential Geometry · Mathematics 2025-09-09 Dan Jonsson

Based on the local fractional calculus, we establish some new generalizations of H\"{o}lder's inequality. By using it, some results on the generalized integral inequality in fractal space are investigated in detail.

General Mathematics · Mathematics 2011-11-10 Guang-Sheng Chen

The aim of this paper is to present necessary and sufficient conditions for generalized H\"{o}lder's inequality on generalized Morrey spaces. We also obtain similar results on weak Morrey spaces and on generalized weak Morrey spaces. The…

Analysis of PDEs · Mathematics 2018-02-20 Ifronika , Mochammad Idris , Al Azhary Masta , Hendra Gunawan

We introduce and analyze spaces and algebras of generalized functions which correspond to H\" older, Zygmund, and Sobolev spaces of functions. The main scope of the paper is the characterization of the regularity of distributions that are…

Functional Analysis · Mathematics 2013-05-02 Stevan Pilipović , Dimitris Scarpalezos , Jasson Vindas

We classify generalized Wallach spaces which are g.o. spaces. We also investigate homogeneous geodesics in generalized Wallach spaces for any given invariant Riemannian metric and we give some examples.

Differential Geometry · Mathematics 2017-09-07 Andreas Arvanitoyeorgos , Yu Wang

In this paper we introduce the concept of generalized vector groupoid. Several properties of them are established.

Group Theory · Mathematics 2011-01-10 Vasile Poputa , Gheorghe Ivan

This paper introduces a notion of generalised geometric logic. Connections of generalised geometric logic with L-topological system and L-topological space are established.

Logic · Mathematics 2019-09-06 P. Jana

We introduce the notion of a generalized fusion frame in quaternionic Hilbert space. A characterization of generalized fusion frame in quaternionic Hilbert space with the help of frame operator is being discussed. Finally, we construct…

Functional Analysis · Mathematics 2024-04-08 Prasenjit Ghosh

In this paper, we establish a generalized H{\"o}lder's or interpolation inequality for weighted spaces in which the weights are non-necessarily homogeneous. We apply it to the stabilization of some damped wave-like evolution equations. This…

Analysis of PDEs · Mathematics 2015-03-25 Pascal Bégout , Soria Fernando

A regular generalized sampling theory in some structured T-invariant subspaces of a Hilbert space H, where T denotes a bounded invertible operator in H, is established in this paper. This is done by walking through the most important cases…

Functional Analysis · Mathematics 2018-04-10 Antonio G. García , María J. Muñoz-Bouzo , Gerardo Pérez-Villalón

In this note we introduce generalised pairs from the perspective of the evolution of the notion of space in birational algebraic geometry. We describe some applications of generalised pairs in recent years and then mention a few open…

Algebraic Geometry · Mathematics 2020-08-10 Caucher Birkar

We prove that generalized loop spaces of Hartogs manifolds are Hilbert-Hartogs. We prove also that Hilbert-Hartogs manifolds possess a better extension properties that it is postulated in their definition. Finally, we give a list of…

Complex Variables · Mathematics 2020-06-11 M. Anakkar , S. Ivashkovich

We provide a new and elementary proof of the continuity theorem for the wavelet and left-inverse wavelet transforms on the spaces $ \mathcal{S}_0(\mathbb{R}^n) $ and $ \mathcal{S}(\mathbb{H}^{n+1})$. We then introduce and study a new class…

Functional Analysis · Mathematics 2018-01-04 Stevan Pilipovic , Dusan Rakic , Jasson Vindas

The paper gives a categorical approach to generalized manifolds such as orbit spaces and leaf spaces of foliations. It is suggested to consider these spaces as sets equipped with some additional structure which generalizes the notion of…

Differential Geometry · Mathematics 2017-08-02 Mark V. Losik

The notion of {\it free} generalized vertex algebras is introduced. It is equivalent to the notion of {\it generalized principal subspaces} associated with lattices which are not necessarily integral. Combinatorial bases and the characters…

Quantum Algebra · Mathematics 2015-02-19 Kazuya Kawasetsu
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