نتایج جستجو برای: regular injectivity

تعداد نتایج: 122598  

In this paper‎, ‎we introduce the notion of $(m,n)$-‎algebr‎aically compact modules as an analogue of algebraically‎ ‎compact modules and then we show that $(m,n)$-algebraically‎ ‎compactness‎ ‎and $(m,n)$-pure injectivity for modules coincide‎. ‎Moreover‎, ‎further characterizations of a‎ ‎$(m,n)$-pure injective module over a commutative ring are given‎.

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
Max Forester Colin Rourke

We prove injectivity and relative asphericity for "layered" systems of equations over torsion-free groups, when the exponent matrix is invertible over Z.

2008
Anton Petrunin

In my talk I will discuss the following results which were obtained in joint work with Wilderich Tuschmann. 1. For any given numbers m, C and D, the class of m-dimensional simply connected closed smooth manifolds with finite second homotopy groups which admit a Riemannian metric with sectional curvature |K| ≤ C and diameter ≤ D contains only finitely many diffeomorphism types. 2. Given any m an...

Journal: :Topology and its Applications 2011

Journal: :Communications in Mathematical Physics 2008

Journal: :Bulletin of the Australian Mathematical Society 1987

Journal: :Bulletin Of The Brazilian Mathematical Society, New Series 2023

Given a Galois extension $$R^{\beta } \subset R$$ , where $$\beta $$ is an action of finite groupoid on noncommutative ring, we present some conditions to the map be injective.

2010
A. FIGALLI C. VILLANI

Given a smooth compact Riemannian surface, we prove that if a suitable convexity assumption on the tangent focal cut loci is satisfied, then all injectivity domains are semiconvex.

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