Convergence -groups with zero radical
Ján Jakubík (1997)
Mathematica Bohemica
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In this paper we investigate abelian convergence -groups with zero radical such that each bounded sequence has a convergent subsequence.
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Ján Jakubík (1997)
Mathematica Bohemica
Similarity:
In this paper we investigate abelian convergence -groups with zero radical such that each bounded sequence has a convergent subsequence.
Milan Tvrdý (1998)
Mathematica Bohemica
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n this paper we investigate systems of linear integral equations in the space of -vector valued functions which are regulated on the closed interval (i.e. such that can have only discontinuities of the first kind in ) and left-continuous in the corresponding open interval In particular, we are interested in systems of the form x(t) - A(t)x(0) - 01B(t,s)[d x(s)] = f(t), where , the columns of the -matrix valued function belong to , the entries of have a bounded variation...
Ondřej Došlý, Roman Hilscher (1997)
Mathematica Bohemica
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Necessary and sufficient conditions for discreteness and boundedness below of the spectrum of the singular differential operator , are established. These conditions are based on a recently proved relationship between spectral properties of and oscillation of a certain associated second order differential equation.
Ján Jakubík (1998)
Mathematica Bohemica
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In the present paper we deal with the relations between direct product decompositions of a directed set and direct product decompositions of intervals of .