Pliska Studia Mathematica Bulgarica Volume 11, 1991

Pliska Studia Mathematica Bulgarica

Volume 11, 1991

GUEST EDITOR: D. Skordev, D. Doitchinov, T. Genchev, B. Penkov

Sofia, 1991

This volume is dedicated to the memory of Yaroslav A. Tagamlitzki (1917-1983)

C O N T E N T S

Skordev, D. et al. Y. A. Tagamlitzki : A short biographical note. (pp. 3-6)
Arens, R. The gauge invariant currents of the maxwellian field. (pp. 7-10)
Brannan, D. Some covering properties of locally univalent functions. (pp. 11-14)
Chaladus, S., Schinzel, A. A decomposition of integer vectors. II. (pp. 15-23)
Cristescu, R. Positive precompact operators. (pp. 24-26)
Doitchinov, D. Cauchy sequences and completeness in quasi-metric spaces. (pp. 27-34)
Genchev, T. A solution of the trigonometric moment problem via Tagamlitzki's "Theorem of the Cones". (pp. 35-39)
Georghiev, G. The evolution of the areolar derivative analysis in hypercomplex. (pp. 40-46)
Kounchev, O. An application of the principle of topological induction to the extreme points theorem. (pp. 47-50)
Mikusinski, J. On the logarithm of the differential operator. (pp. 51-53)
Miyadera, I. On the strong asymptotic behavior of asymptotically nonexpansive semi-groups in Banach spaces. (pp. 54-56)
Musielak, J. On generalized orlicz sequence spaces of Fourier coefficients for trigonometric gap series. I. (pp. 57-60)
Price, G. On the Pythagorean theorem and the triangle inequality. (pp. 61-70)
Raichinov, I., Raichinov, R. On linear operators acting in spaces of analytic functions and commuting with Euler's operator. (pp. 71-77)
Sendov, B., Takev, M. A theorem of Whitney’s type in R². (pp. 78-85)
Skordev, D. The indecomposability of a certain kind of semi-norms. (pp. 86-93)
Pych-Taberska, P., Taberski, R. Exponential approximation in the norms and semi-norms. (pp. 94-101)
Todorov, I. On the classifications of unitary lowest weight representations of conformal current algebras. (pp. 102-104)
Toumarkin, G. Invariant subspaces in spaces of boundary values of analytic functions in domains with rectifiable boundary. (pp. 105-112)
Zelazko, W. Concerning trivial maximal Abelian subalgebras of B(X). (pp. 113-116)

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Available online since: 20.04.2012