نتایج جستجو برای: reflective subcategory

تعداد نتایج: 18486  

2007
Bin Zhu

A general framework for cluster tilting is set up by showing that any quotient of a triangulated category modulo a tilting subcategory (that is, a maximal oneorthogonal subcategory) carries an induced abelian structure. These abelian quotients turn out to be module categories of Gorenstein algebras of dimension at most one.

2008
XIAO-WU CHEN

We prove that in an abelian category with enough projective objects, the extension subcategory of two covariantly finite subcategories is still covariantly finite. This extends a result by Sikko and Smalø. We also prove a triangulated version of the result. As applications, we obtain short proofs to a classical result by Ringel and a recent result by Krause and Solberg. 1. Main Theorems Let C b...

2017
R. Vandermolen

In this article we will build a universal imbedding of a regular HomLie triple system into a Lie algebra and show that the category of regular Hom-Lie triple systems is equivalent to a full subcategory of pairs of Z2graded Lie algebras and Lie algebra automorphism, then finally give some characterizations of this subcategory.

2006
Bin Zhu

We put cluster tilting in a general framework by showing that any quotient of a triangulated category modulo a tilting subcategory (that is, a maximal one-orthogonal subcategory) carries an induced abelian structure. These abelian quotients turn out to be module categories of Gorenstein algebras of dimension at most one.

2007
Bin Zhu

A general framework for cluster tilting is set up by showing that any quotient of a triangulated category modulo a tilting subcategory (that is, a maximal oneorthogonal subcategory) carries an induced abelian structure. These abelian quotients turn out to be module categories of Gorenstein algebras of dimension at most one.

Shabnam Karimnia Soheila Tahmasebi

The present study aimed to investigate the interaction among grade dropping and reflective thinking abilities of the participants and to also check if action research enhances learners’ reflective thinking. A cyclic action research was run for 8 sessions. Kember et al.’s (2010) reflective thinking questionnaire and three in-term quizzes were administered. Students also made questions based on t...

In this paper, we investigate the L-fuzzy proximities and the relationships betweenL-fuzzy topologies, L-fuzzy topogenous order and L-fuzzy uniformity. First, we show that the category of-fuzzy topological spaces can be embedded in the category of L-fuzzy quasi-proximity spaces as a coreective full subcategory. Second, we show that the category of L -fuzzy proximity spaces is isomorphic to the ...

The present study is aimed at investigating the relationship among Iranian EFL teachers’ reflective teaching, reflective thinking and classroom management ability. To this purpose, 102 male and female EFL teachers, aged between 25 and 40, with different academic background who were teaching at different levels, were chosen to fill in three questionnaires on reflective thinking, reflective teach...

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