Results 61 to 70 of about 861 (163)

Infinity‐operadic foundations for embedding calculus

open access: yesJournal of Topology, Volume 19, Issue 2, June 2026.
Abstract Motivated by applications to spaces of embeddings and automorphisms of manifolds, we consider a tower of ∞$\infty$‐categories of truncated right modules over a unital ∞$\infty$‐operad O$\mathcal {O}$. We study monoidality and naturality properties of this tower, identify its layers, describe the difference between the towers as O$\mathcal {O}$
Manuel Krannich, Alexander Kupers
wiley   +1 more source

Towards the boundary of the fine curve graph

open access: yesJournal of Topology, Volume 19, Issue 2, June 2026.
Abstract The fine curve graph was introduced as a geometric tool to study homeomorphisms of surfaces. In this paper, we study the Gromov boundary of this space and the local topology near points associated with certain foliations and laminations. We then give several applications including finding dynamically explicit elements with positive stable ...
Jonathan Bowden   +2 more
wiley   +1 more source

Thurston norm for coherent right‐angled Artin groups via L2$L^2$‐invariants

open access: yesJournal of Topology, Volume 19, Issue 2, June 2026.
Abstract We define a new notion of splitting complexity for a group G$G$ along a non‐trivial integral character ϕ∈H1(G;Z)$\phi \in H^1(G; \mathbb {Z})$. If G$G$ is a one‐ended coherent right‐angled Artin group, we show that the splitting complexity along an epimorphism ϕ:G→Z$\phi \colon G \rightarrow \mathbb {Z}$ equals the L2$L^2$‐Euler characteristic
Monika Kudlinska
wiley   +1 more source

Absolute integral closures of commutative rings

open access: yes, 2023
Absolute integral closures of general commutative unital rings are explored. All rings admit absolute integral closures, but in general they are not unique.
van der Lee, Matthé
core  

Smarandache near-rings [PDF]

open access: yes, 2002
The main concern of this book is the study of Smarandache analogue properties of near-rings and Smarandache near-rings; so it does not promise to cover all concepts or the proofs of all ...
Vasantha, Kandasamy
core   +1 more source

Twisted ambidexterity in equivariant homotopy theory

open access: yesJournal of Topology, Volume 19, Issue 2, June 2026.
Abstract We develop the concept of twisted ambidexterity in a parametrized presentably symmetric monoidal ∞$\infty$‐category, which generalizes the notion of ambidexterity by Hopkins and Lurie and the Wirthmüller isomorphisms in equivariant stable homotopy theory, and is closely related to Costenoble–Waner duality.
Bastiaan Cnossen
wiley   +1 more source

Division in modules and Kummer theory [PDF]

open access: yes, 2021
In this work we generalize the concept of injective module and develop a theory of divisibility for modules over a general ring, which provides a general and unified framework to study Kummer-like field extensions arising from commutative algebraic ...
TRONTO, Sebastiano
core  

Analysis of commutative rings by associating simplical complexes. [PDF]

open access: yes, 2015
Predmet izuqavaa doktorske disertacije su simplicijalni kompleksi pridrueni komutativnim prstenima sa jedinicom. Generalno, kombi- natorni objekti mogu biti pridrueni prstenima na razliqite naqine, i u ovoj disertaciji izuqavamo vixe simplicijalnih ...
Milošević, Nela
core   +1 more source

Some Notes on Reflexive Modules [PDF]

open access: yes
In commutative ring theory, G-Matlis reflexive modules over a commutative complete semilocal noetherian ring have been studied. We attempt to show that these can be explained naturally through general theory we give in this paper on reflexive modules in ...
Sato, Masahisa   +3 more
core   +1 more source

Involutory matrices over finite commutative rings

open access: yes, 1978
An n × n matrix A is called involutory iff A2=In, where In is the n × n identity matrix. This paper is concerned with involutory matrices over an arbitrary finite commutative ring R with identity and with the similarity relation among such matrices.
Gamble, R.O.   +3 more
core   +1 more source

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