نتایج جستجو برای: semi dualizing bimodules

تعداد نتایج: 142759  

Journal: :bulletin of the iranian mathematical society 2011
a. neeman

let $x$ be a sufficiently nice scheme. we survey some recent progress on dualizing complexes. it turns out that a complex in $kinj x$ is dualizing if and only if tensor product with it induces an equivalence of categories from murfet's new category $kmpr x$ to the category $kinj x$. in these terms, it becomes interesting to wonder how to glue such equivalences.

2009
ULF KÜHN

We study the arithmetic self-intersection number of the dualizing sheaf on arithmetic surfaces with respect to morphisms of a particular kind. We obtain upper bounds for the arithmetic self-intersection number of the dualizing sheaf on minimal regular models of the modular curves associated with congruence subgroups Γ0(N) with square free level, as well as for the modular curves X(N) and the Fe...

2005
Vaughan Pratt

We propose a framework for types and attributes that, instead of reducing attribute values such as red to types or making attributes columns of relations, organizes attributes as dual types and attribute values as morphisms from types to attributes. We formalize this organization syntactically via bimodules, and semantically via communes over bimodules. Communes generalize presheaves (for types...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم ریاضی 1392

هدف این پروژه نشان دادن این است که اگر r یک حلقه ی موضعی جابه جایی cohen-macaulary باشد که دارای یک مدول dualizing مانند ? است، آنگاه پوشش ?- گرنشتاین یکدست و ?- گرنشتاین پروژکتیو برای رده ی خاصی از مدولها وجود دارد. این نتایج، نتایج شناخته شده ی قبلی را که برای حلقه های گرنشتاین موضعی اثبات شده اند را به حلقه ی موضعی جابه جایی cohen-macaulary که دارای مدول dualizing می باشند، توسعه می دهد. به...

Journal: :Journal of Pure and Applied Algebra 2008

2002
M. C. LÓPEZ-DÍAZ IVAN P. SHESTAKOV

We study representations of simple alternative superalgebras B(1, 2) and B(2, 4). The irreducible bimodules and bimodules with superinvolution over these superalgebras are classified, and some analogues of the Kronecker factorization theorem are proved for alternative superalgebras that contain B(1, 2) and B(4, 2).

2009
WENDY LOWEN

We generalize and clarify Gerstenhaber and Schack’s “Special Cohomology Comparison Theorem”. More specifically we obtain a fully faithful functor between the derived categories of bimodules over a prestack over a small category U and the derived category of bimodules over its corresponding fibered category. In contrast to Gerstenhaber and Schack we do not have to assume that U is a poset.

2016
Michael Barr

Given an additive equational category with a closed symmetric monoidal structure and a potential dualizing object, we find sufficient conditions that the category of topological objects over that category has a good notion of full subcategories of strong and weakly topologized objects and show that each is equivalent to the chu category of the original category with respect to the dualizing obj...

Journal: :Algebraic & Geometric Topology 2007

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