Compactness and sequential compactness in spaces of measures

1971 ◽  
Vol 17 (2) ◽  
pp. 124-146 ◽  
Author(s):  
Peter G�nssler
1997 ◽  
pp. 241-262
Author(s):  
W. Filter ◽  
K. Weber
Keyword(s):  

2006 ◽  
Vol 51 (3) ◽  
pp. 247-262 ◽  
Author(s):  
Anders Holmbom ◽  
Jeanette Silfver ◽  
Nils Svanstedt ◽  
Niklas Wellander

2011 ◽  
pp. 149-212
Author(s):  
Herb Kunze ◽  
Davide La Torre ◽  
Franklin Mendivil ◽  
Edward R. Vrscay
Keyword(s):  

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Huan Huang ◽  
Congxin Wu

We give a new characterization of compact subsets of the fuzzy number space equipped with the level convergence topology. Based on this, it is shown that compactness is equivalent to sequential compactness on the fuzzy number space endowed with the level convergence topology. Our results imply that some previous compactness criteria are wrong. A counterexample also is given to validate this judgment.


1968 ◽  
Vol 5 (1) ◽  
pp. 203-209 ◽  
Author(s):  
V. E. Beneš

In the study of dynamical systems perturbed by noise, it is important to know whether the stochastic process of interest has a stationary distribution. Four necessary and sufficient conditions are formulated for the existence of a finite invariant measure for a Feller process on a σ-compact metric (state) space. These conditions link together stability notions from several fields. The first uses a Lyapunov function reminiscent of Lagrange stability in differential equations; the second depends on Prokhorov's condition for sequential compactness of measures; the third is a recurrence condition on the ergodic averages of the transition operator; and the fourth is analogous to a condition of Ulam and Oxtoby for the nonstochastic case.


1996 ◽  
Vol 72 (3) ◽  
pp. 215-258 ◽  
Author(s):  
Tadeusz Dobrowolski ◽  
Katsuro Sakai

1993 ◽  
Vol 50 (1) ◽  
pp. 47-53 ◽  
Author(s):  
I. Juhász ◽  
Z. Szentmiklóssy

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