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相关论文: A Brief Survey on Fibrewise General Topology

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We present updates to the problems on Hirzebruch's 1954 problem list focussing on open problems, and on those where substantial progress has been made in recent years. We discuss some purely topological problems, as well as geometric…

历史与综述 · 数学 2013-05-21 D. Kotschick

The article is devoted to microbundles over topological rings. Their structure, homomorphisms, automorphisms and extensions are studied. Moreover, compactifications and inverse spectra of microbundles over topological rings are…

一般拓扑 · 数学 2019-03-29 Sergey V. Ludkovsky

We generalize the dual notions of "expansion" and "collapse" so they can be applied to arbitrary metric spaces. We also expand the theory to allow for infinitely many such moves. Those tools are then employed to prove a variety of…

几何拓扑 · 数学 2023-11-07 Craig R. Guilbault , Daniel Gulbrandsen

The possibility of extending operations of topological and semitopological algebras to their Stone-\v{C}ech compactification and factorization of continuous functions through homomorphisms to metrizable algebras are investigated. Most…

一般拓扑 · 数学 2024-06-11 Evgenii Reznichenko

We use functoriality of tropicalization and the geometry of projections of subvarieties of tori to show that the fibers of the tropicalization map are dense in the Zariski topology. For subvarieties of tori over fields of generalized power…

代数几何 · 数学 2009-04-25 Sam Payne

We present an overview of some recent developments in the theory of generalized formal series, grounded in diffeological geometric framework. These constructions aim to offer new tools for understanding infinite-dimensional phenomena in…

历史与综述 · 数学 2025-08-25 Jean-Pierre Magnot

If $q:Y\longrightarrow{B}$ is a fibration and $Z$ is a space, then the free range mapping space $Y!Z$ has a collection of partial maps from $Y$ to $Z$ as underline space, i.e. those such maps whose domains are individual fibre of $q$. It is…

动力系统 · 数学 2014-03-28 Manuel Fernando Moreira Galicia

It is well-known that for certain local connectivity assumptions the fundamental groupoid of a topological space can be equipped with a topology making it a topological groupoid. In other words, the fundamental groupoid functor can be…

代数拓扑 · 数学 2018-02-02 David Michael Roberts

We study various compactifications of moduli space of Newton maps. Mainly, we focus on GIT compactifiaction and Deligne-Mumford compactification. Then we explore the relations among these compactifications.

动力系统 · 数学 2018-03-23 Hongming Nie

The separately continuity topology is considered and some its properties are investigated. With help of these properties a generalization of Sierpinski theorem on determination of real separately continuous function by its values on an…

一般拓扑 · 数学 2016-01-28 V. V. Mykhaylyuk

We investigate the topology of the closure in a wonderful compactification of the set of unipotent-invariant bilinear forms.

代数几何 · 数学 2013-08-19 Mahir Bilen Can , Roger Howe , Michael Joyce

We show that a fairly arbitrary Frechet space topology on the space of holomorphic functions on a domain controls the topology of uniform convergence on compact sets. In fact it turns out that the result we present can be proved more simply…

复变函数 · 数学 2007-07-23 Steven G. Krantz

We develop the theory of locally small spaces in a new simple language and apply this simplification to re-build the theory of locally definable spaces over structures with topologies.

一般拓扑 · 数学 2020-09-08 Artur Piękosz

Recent results concerning the relation of topology and low-lying fermion modes are summarized.

高能物理 - 格点 · 物理学 2014-11-17 Robert G. Edwards

The $\lambda$-perfect maps, a generalization of perfect maps (continuous closed maps with compact fibers) are presented. Using $P_\lambda$-spaces and the concept of $\lambda$-compactness some results regarding $\lambda$-perfect maps will be…

一般拓扑 · 数学 2016-10-25 M. Namdari , M. A. Siavoshi

In this paper we show a general method to compactify certain open varieties by adding normal crossing divisors. This is done by proving that {\it blowing up along an arrangement of subvarieties} can be carried out. Important examples such…

代数几何 · 数学 2007-05-23 Yi Hu

The aim of this paper is to give a unifying description of various constructions (subanalytic, semialgebraic, o-minimal site) using the notion of T-topology. We then study the category of T-sheaves.

代数几何 · 数学 2016-09-02 Mario J. Edmundo , Luca Prelli

The article is devoted to a structure of topological spaces related with topological quasigroups. Regular and complete spaces over topological quasigroups are studied. Separations and embeddings are also investigated for them. Their…

群论 · 数学 2023-12-29 S. V. Ludkowski

Group Field Theories (GFT) are quantum field theories over group manifolds; they can be seen as a generalization of matrix models. GFT Feynman graphs are tensor graphs generalizing ribbon graphs (or combinatorial maps); these graphs are…

组合数学 · 数学 2015-05-30 Adrian Tanasa

We present several aspects of the "topology of meromorphic functions", which we conceive as a general theory which includes the topology of holomorphic functions, the topology of pencils on quasi-projective spaces and the topology of…

代数几何 · 数学 2018-03-29 Mihai Tibar