نتایج جستجو برای: weak compactness

تعداد نتایج: 148049  

Journal: :Transactions of the American Mathematical Society 1974

Journal: :Bulletin of the London Mathematical Society 2015

2009
Konstantin A. Lurie

In this paper, I discuss observations indicating that homogenization, in its standard version based on weak compactness, generally does not work for dynamic materials with arbitrary material geometry. A remarkable exception is represented by the spatial-temporal laminates where such compactness can be established. For the slow (timelike) laminates, this was done in [18] with the use of energy b...

Journal: :iranian journal of fuzzy systems 2004
fu-gui shi

in this paper, countable compactness and the lindel¨of propertyare defined for l-fuzzy sets, where l is a complete de morgan algebra. theydon’t rely on the structure of the basis lattice l and no distributivity is requiredin l. a fuzzy compact l-set is countably compact and has the lindel¨ofproperty. an l-set having the lindel¨of property is countably compact if andonly if it is fuzzy compact. ...

2008
D. S. Bagri

We have obtained 8.4 GHz VLBA observations of a 31-GHz complete sample of ∼ 100 sources between 10 and 100 mJy. The main goals of these observations are: to determine the angular size, radio spectra and identification for a weak sample of high frequency sources; to find the fraction of sources which have sufficiently compact emission for use as calibrators for VLBI observations; and for design ...

2010
BRUCE H. WAGNER B. H. WAGNER

A strongly closed lattice of projections on a Hubert space is compact if the associated algebra of operators has a weakly dense subset of compact operators. If the lattice is commutative, there are necessary and sufficient conditions for compactness, one in terms of the structure of the lattice, and the other in terms of a measure on the lattice. There are many examples of compact lattices, and...

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