Complemented topologies on abelian groups.
Zelenyuk, E.G., Protasov, I.V. (2001)
Sibirskij Matematicheskij Zhurnal
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Zelenyuk, E.G., Protasov, I.V. (2001)
Sibirskij Matematicheskij Zhurnal
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M. S. Audu, A. Afolabi, E. Apine (2006)
Kragujevac Journal of Mathematics
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W. Comfort, F. Trigos-Arrieta, Ta-Sun Wu (1997)
Fundamenta Mathematicae
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Edmond Granirer (1994)
Colloquium Mathematicae
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Let be the left convolution operators on with support included in F and denote those which are norm limits of convolution by bounded measures in M(F). Conditions on F are given which insure that , and are as big as they can be, namely have as a quotient, where the ergodic space W contains, and at times is very big relative to . Other subspaces of are considered. These improve results of Cowling and Fournier, Price and Edwards, Lust-Piquard, and others.
Wenguang Zhai (1999)
Acta Arithmetica
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Yu. N. Drozhzhinov, B. Zavyalov (2006)
Publications de l'Institut Mathématique
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Ursu, V.I. (2000)
Siberian Mathematical Journal
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Boris Mordukhovich, Dong Wang, Lianwen Wang (2008)
Control and Cybernetics
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Wenguang Zhai, Xiaodong Cao (1998)
Acta Arithmetica
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Binyamin Schwarz, Uri Srebro (1996)
Banach Center Publications
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It is shown that for n ≥ 2 and p > 2, where p is not an even integer, the only balls in the Carathéodory distance on which are balls with respect to the complex norm in are those centered at the origin.
Michel Laurent (1994)
Acta Arithmetica
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1. Introduction. Our aim is to test numerically the new method of interpolation determinants (cf. [2], [6]) in the context of linear forms in two logarithms. In the recent years, M. Mignotte and M. Waldschmidt have used Schneider's construction in a series of papers [3]-[5] to get lower bounds for such a linear form with rational integer coefficients. They got relatively precise results with a numerical constant around a few hundreds. Here we take up Schneider's method again in...
Yakymiv, A.L. (2006)
Publications de l'Institut Mathématique. Nouvelle Série
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Pérez, A., Amílcar J. (2006)
Divulgaciones Matemáticas
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