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A sufficient condition for de Sitter vacua in type IIB string theory
moduli stabilization string vacua ux compacti cations
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2011/10/18
We derive a sufficient condition for realizing meta-stable de Sitter vacua with small positive cosmological constant within type IIB string theory flux compactifications with spontaneously broken supe...
A sufficient condition for the existence of an anti-directed 2-factor in a directed graph
sufficient condition existence anti-directed 2-factor
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2011/1/18
Let D be a directed graph with vertex set V and order n. An anti-directed (hamiltonian) cycle H in D is a (hamiltonian) cycle in the graph underlying D such that no pair of consecutive arcs in H form ...
A sufficient condition for the validity of quantum adiabatic theorem
A sufficient condition validity quantum adiabatic theorem
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2010/10/29
In this paper, we attempt to give a sufficient condition of guaranteeing the validity of the proof of quantum adiabatic theorem. The new sufficient condition can clearly remove the inconsistency and c...
A sufficient condition to test identifiability of a nonlinear delayed-differential model with constant delays and multi-inputs
Identifiability Nonlinear delayed-differential models
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2010/12/1
In this paper, an original result in terms of a sufficient condition to test identifiability of nonlinear delayed-differential models with constant delays and multi-inputs is given.
A new sufficient condition for sum-rate tightness in quadratic Gaussian multiterminal source coding
sufficient condition sum-rate tightness quadratic Gaussian multiterminal source coding
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2010/12/3
This work considers the quadratic Gaussian multiterminal (MT) source coding problem and provides a new sufficient condition for the Berger-Tung sum-rate bound to be tight. The converse proof utilizes ...
Necessary and sufficient condition for a set of matrices to commute
Commuting matrices Jordan canonical form
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2010/9/15
This paper is devoted to derive the necessary and sufficient condition for a set of matrices to commute. It is proved that the commutator [A, B ]= 0 for two matrices A and B if and only if a vector v ...
A Sufficient Condition for Starlikeness of Analytic Functions of Koebe Type
Differential inequalities $n$-fold symmetric functions analytic functions of Koebe type starlike functions strongly starlike functions Jack's Lemma
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2008/7/3
By making use of Jack's Lemma as well as several differential and other inequalities (and parametric constraints), the authors derive sufficient conditions for starlikeness of a certain class of n-fol...
A Sufficient Condition for the Integral Version of Martins' Inequality
Martins' Inequality Integral Version Sufficient Condition
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2008/7/3
A Sufficient Condition for the Integral Version of Martins' Inequality.
Necessary and Sufficient Condition for Compactness of the Embedding Operator
Banach spaces Compactness Embedding operator
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2008/6/30
An improvement of the author's result, proved in 1961, concerning necessary and sufficient conditions for the compactness of an imbedding operator is given.
Necessary and Sufficient Condition for Existence and Uniqueness of the Solution of Cauchy Problem for Holomorphic Fuchsian Operators
Banach algebra Cauchy problem Fuchsian characteristic polynomial Fuchsian differential operator Fuchsian principal weight holomorphic differentiable manifold
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2008/6/30
In this paper a Cauchy problem for holomorphic differential operators of Fuchsian type is investigated. Using Ovcyannikov techniques and the method of majorants, a necessary and sufficient condition f...
A NEW SUFFICIENT CONDITION FOR THE CONVERGENCE OF THE DFP ALGORITHM WITH WOLFE LINE SEARCH
Global convergence DFP algorithm Wolfe
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2007/8/7
The DFP algorithm is one of the mest famous numerical algorithms for unconstrained optimization.It is an open problem whether DFP algorithm with inexact line searches is globally convergent. In this p...
A Necessary and Sufficient Condition for a Graph to be Edge Tenacious
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2007/7/28
期刊信息
篇名
A Necessary and Sufficient Condition for a Graph to be Edge Tenacious
语种
英文
撰写或编译
作者
王志平，赵连昌
第一作者单位
刊物名称
Dicrete Mathematics
页面
2001,234,191-197
出版日期
2001年
月
日
文章标识(ISSN)
相关项目
多参考模型智能控制理论及其应用