نتایج جستجو برای: additive category

تعداد نتایج: 147723  

2012
Dan Velleman

Dan Velleman, University of Texas at Austin This paper presents a study of projective meaning — a category which subsumes presuppositions and conventional implicatures [1, 2, 4] — in the Mayan language K’ichee’. The study is based on a set of diagnostics developed by Tonhauser et al. [5], which are meant to be applicable in fieldwork situations in any language. We find the Tonhauser et al. prot...

2014
Neil Cohn

Visual narratives often depict images of individual characters without showing the larger scene, meaning that this whole spatial environment must be inferred from these component parts. However, few theoretical models of narrative or discourse have attempted to explain the generation of such “additive” inference. This paper explores the complex interactions between narrative structure and meani...

2006
ZURAB JANELIDZE Francis Borceux

The notion of a subtractive category, recently introduced by the author, is a “categorical version” of the notion of a (pointed) subtractive variety of universal algebras, due to A.Ursini. We show that a subtractive variety C, whose theory contains a unique constant, is abelian (i.e. C is the variety of modules over a fixed ring), if and only if the dual category Cop of C, is subtractive. More ...

Journal: :bulletin of the iranian mathematical society 2014
morteza jafarpour seyed shahin mousavi

‎in this paper first we define the morphism between geometric spaces in two different types‎. ‎we construct two categories of $uu$ and $l$ from geometric spaces then investigate some properties of the two categories‎, ‎for instance $uu$ is topological‎. ‎the relation between hypergroups and geometric spaces is studied‎. ‎by constructing the category $qh$ of $h_{v}$-groups we answer the question...

2007
Serge Bouc

In this paper, I give several characterizations of rational biset functors over p-groups, which are independent of the knowledge of genetic bases for p-groups. I also introduce a construction of new biset functors from known ones, which is similar to the Yoneda construction for representable functors, and to the Dress construction for Mackey functors, and I show that this construction preserves...

Journal: :J. Electronic Imaging 2016
Shicai Yang George Bebis Yongjie Chu Lindu Zhao

In the past decades, many different techniques have been used to improve face recognition performance. The most common and well-studied ways are to use the whole face image to build a subspace based on the reduction of dimensionality. Differing from methods above, we consider face recognition as an image classification problem. The face images of the same person are considered to fall into the ...

2006
XIAO-WU CHEN X. W. CHEN

We introduce the generalized Serre functor S on a skeletally-small Hom-finite Krull-Schmidt triangulated category C. We prove that its domain Cr and range Cl are thick triangulated subcategories. Moreover, the subcategory Cr (resp. Cl) is the smallest additive subcategory containing all the objects in C which appears as the third term (resp. the first term) of some Aulsander-Reiten triangle in ...

Journal: :Psychological research 2008
Ronald Hübner Michel D Druey

Several task-switch studies show that response category repetition is favorable on task repetition trials, but disadvantageous on task switch trials. In the present study we investigated how this interaction depends on the type and number of involved response categories. In a dual-task number-categorization experiment, subjects had to respond to tasks T(1) and T(2) with one of the two fingers o...

Journal: :Discussiones Mathematicae Graph Theory 2006
Jozef Bucko Peter Mihók

We introduce object systems as a common generalization of graphs, hypergraphs, digraphs and relational structures. Let C be a concrete category, a simple object system over C is an ordered pair S = (V, E), ∗Research supported in part by Slovak VEGA Grant 2/4134/24. 282 J. Bucko and P. Mihók where E = {A1, A2, . . . , Am} is a finite set of the objects of C, such that the ground-set V (Ai) of ea...

Journal: :Journal of the London Mathematical Society 2021

We propose a general method to construct new triangulated categories, relative stable as additive quotients of given one. This construction enhances results Beligiannis, particularly in the tensor-triangular setting. prove birationality result showing that original category and its quotient are equivalent on some open piece their spectrum.

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