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Conley indexes and stable sets for flows on flag bundles
(Taylor & Francis LtdAbingdonInglaterra, 2009)
The automorphism group of the s-stable Kneser graphs
(Academic Press Inc Elsevier Science, 2017-08)
For k,s≥2, the s-stable Kneser graphs are the graphs with vertex set the k-subsets S of {1,…,n} such that the circular distance between any two elements in S is at least s and two vertices are adjacent if and only if the ...
Stable maps from surfaces to the plane with prescribed branching data
(Topology and its Applications, 2018)
The pareto-stability concept is a natural solution concept for discrete matching markets with indifferences
(SPRINGER HEIDELBERG, 2011)
In a decentralized setting the game-theoretical predictions are that only strong blockings are allowed to rupture the structure of a matching. This paper argues that, under indifferences, also weak blockings should be ...
Characterizing N+-perfect line graphs
(Wiley, 2017-01)
The aim of this paper is to study the Lovász-Schrijver PSD operator N+ applied to the edge relaxation of the stable set polytope of a graph. We are particularly interested in the problem of characterizing graphs for which ...
t-perfection is always strong for claw-free graphs
(SIAM PUBLICATIONS, 2010)
A connected graph G is called t-perfect if its stable set polytope is
determined by the non-negativity, edge and odd-cycle inequalities. More-
over, G is called strongly t-perfect if this system is totally dual inte-
gral. ...
On the Structure of Cooperative and Competitive Solutions for a Generalized Assignment Game
(Hindawi Publishing Corporation, 2014-02)
We study cooperative and competitive solutions for a many-to-many generalization of Shapley and Shubik’s (1971) assignment game. We consider the Core, three other notions of group stability, and two alternative definitions ...
Topological properties of prolongations and stable sets for semigroup actions
(Elsevier B.V., 2021-03-15)
In this paper we study topological properties of Lyapunov stable sets for semigroup actions on Tychonoff spaces. We show that the stability and the asymptotical stability of a compact set is characterized by the stability ...