منابع مشابه
Lectures on the Log Minimal Model Program
We explain the fundamental theorems for the log minimal model program for log canonical pairs.
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2. We recall the two following concepts: 2.1. An infinite subset S of V(G) is concentrated if there is a ray R such that, for any finite set F of vertices, only finitely many elements of S do not belong to the component of G-F containing a subray of R. 2.2. A set of vertices of G is dkpersed in G if it has no concentrated subset. Note that any subset of vertices of a tree T which is dispersed i...
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We prove a general criterion for an algebraic stack to admit a good moduli space. This result may be considered as a generalization of the Keel-Mori theorem, which guarantees the existence of a coarse moduli space for a separated DeligneMumford stack. We apply this result to prove that the moduli stacksMg,n(α) parameterizing α-stable curves introduced in [AFSv14] admit good moduli spaces.
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attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
On Minimal Finite Models
A minimal finite model of a topological space is the smallest finite topological space that is weakly homotopic to that particular space. So far, we have only found literatures on the minimal finite models for spheres and finite graphs, and they are concluded in Barmak and Minian’s paper [1]. In this paper, we will take a look at these minimal finite models and push our scope a bit further to m...
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ژورنال
عنوان ژورنال: Journal für die reine und angewandte Mathematik (Crelles Journal)
سال: 2011
ISSN: 0075-4102,1435-5345
DOI: 10.1515/crelle.2011.062