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Displaying 261 – 278 of 278

Transitivity in uniform approach theory.

Lee, Y.J., Windels, B. (2002)

International Journal of Mathematics and Mathematical Sciences

Trees, inverse systems, and valuated vector spaces

Radoslav M. Dimitrić (2004)

Acta Mathematica Universitatis Ostraviensis

Triangulated categories of periodic complexes and orbit categories

Jian Liu (2023)

Czechoslovak Mathematical Journal

We investigate the triangulated hull of orbit categories of the perfect derived category and the bounded derived category of a ring concerning the power of the suspension functor. It turns out that the triangulated hull corresponds to the full subcategory of compact objects of certain triangulated categories of periodic complexes. This specializes to Stai and Zhao’s result on the finite dimensional algebra of finite global dimension. As the first application, if $A$ , $B$ are flat algebras over a commutative...

Triples et exactitudes

Michel Hacque (1974)

Publications du Département de mathématiques (Lyon)

Triples $p$ -structures

Dominique Bourn (1972)

Cahiers de Topologie et Géométrie Différentielle Catégoriques

Trivial formal fibres and formal Laurent series

Enochs, Edgar E., Jenda, Overtoun M.G. (1991)

Portugaliae mathematica

Trivialisations dans les catégories tannakiennes

Julien Bichon (1998)

Cahiers de Topologie et Géométrie Différentielle Catégoriques

Troesch complexes and extensions of strict polynomial functors

Antoine Touzé (2012)

Annales scientifiques de l'École Normale Supérieure

We develop a new approach of extension calculus in the category of strict polynomial functors, based on Troesch complexes. We obtain new short elementary proofs of numerous classical $Ext$ -computations as well as new results. In particular, we get a cohomological version of the “fundamental theorems” from classical invariant theory for $G L_{n}$ for $n$ big enough (and we give a conjecture for smaller values of $n$ ). We also study the “twisting spectral sequence” $E^{s, t} (F, G, r)$ converging to the extension groups ${Ext}_{𝒫_{𝕜}}^{*} (F^{(r)}, G^{(r)})$ between the...

Truncated microsupport and holomorphic solutions of D-modules

Masaki Kashiwara, Teresa Monteiro Fernandes, Pierre Schapira (2003)

Annales scientifiques de l'École Normale Supérieure

Tubular mutations

Hagen Meltzer (1998)

Colloquium Mathematicae

Turning monoidal categories into strict ones.

Schauenburg, Peter (2001)

The New York Journal of Mathematics [electronic only]

Twisted (co)homologica stability for monoids of endomorphisms.

Stanislaw Betley, Teimouraz Pirashvili (1993)

Mathematische Annalen

Two closed categories of filters

Andreas Blass (1977)

Fundamenta Mathematicae

Two constructions on Lax functors

Ross Street (1972)

Cahiers de Topologie et Géométrie Différentielle Catégoriques

Two examples of reflections

Pelant, Jan, Vilímovský, Jiří (1976)

Seminar Uniform Spaces

Two notes on radicals of Abelian groups

Barry J. Gardner (1972)

Commentationes Mathematicae Universitatis Carolinae

Two results of $n$ -exangulated categories

Jian He, Jing He, Panyue Zhou (2024)

Czechoslovak Mathematical Journal

M. Herschend, Y. Liu, H. Nakaoka introduced $n$ -exangulated categories, which are a simultaneous generalization of $n$ -exact categories and $(n + 2)$ -angulated categories. This paper consists of two results on $n$ -exangulated categories: (1) we give an equivalent characterization of axiom (EA2); (2) we provide a new way to construct a closed subfunctor of an $n$ -exangulated category.

Tychonoff's theorem without the axiom of choice

P. Johnstone (1981)

Fundamenta Mathematicae

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