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Mathematica balkanica
Tome 13 (1999)
Précédent
Suivant
Sommaire du
Fascicule no. 1-2
Invariants for Commutative Group Algebras of Mixed and Torsion Groups
P. V. Danchev
p. 1
Necessary Optimality Conditions for Systems of Neutral Type Obtained by a Special Variation
Yu. Pesheva
p. 7
On Pairwise S-Closed Subspaces
A. Kanibir
p. 15
Matrix Theorems for the Branges Weight Functions
P. G. Todorov
p. 21
A new Class of Analytic Functions with Negative Coefficients
M. Kamali
;
E. Kadioglu
p. 29
Univalent Harmonic Mappings
M. Ozturk
;
M. Yamankaradeniz
p. 37
A few Remarks On Convex Mappings
Y. Avci
;
E. Zlotkiewicz
p. 47
Subgroups of the Group of the General Similitudes in the Galilean Plane
A. Borisov
p. 55
Principal Functions of the Non-Selfadjoint Operator Generated by System of Differential Equations
E. Bairomov
;
E. Kir
p. 85
On the Multi-Integral Iteration Methods for Solving a Non-Linear Differential Methods
S. M. El-Sayed
p. 99
Solving Structured Matrix Problems on a Cray Vector Computer
M. Paprzycki
;
C. Cyphers
p. 107
On a Binary Problem with Prime Numbers
M. B. S. Laporta
p. 119
Some Remarks on Weighted Marcinkiewicz Inequalities
M. G. Russo
;
W. Themistoclakis
p. 125
The Bang-Bang Principle for a Parabolic Optimal Control Problem with Holderain Cost Functional
I. V. Iordanov
;
Ts. Tsachev
p. 149
Two Parameter Bifurcations of Multiple Steady States of a Reaction-Diffusion Equation
T. Kostova
;
B. Chen
p. 169
Orthogonal Systems of Rational Functions on the Segment and Quadratures of Gauss-type
E. A. Rovba
p. 187
Sommaire du
Fascicule no. 3-4
A Generalization of a Fixed Point Theorem of B. Fisher
S. C. Neshich
p. 201
On Approximation by Modified Kantorovich Polynomials
Z. Finta
p. 205
On the Number and Location of Limit Trajectories of a Class of Autonomous Systems
M. Raeva
p. 213
On a Regular Initial Boundary Value Problem and Finite Integral Transformations
N. Dernek
p. 223
Existence for Landesman-Lazer Boundary Value Problems via Variational Inequalities
G. Chobanov
p. 235
Integrability for a Nonlinear Electrodynamical Model of Three Conservation Laws
D. Kolev
p. 247
Penalized Wavelet Estimation with Besov Regularity Constraints
L. T. Dechevsky
;
J. O. Ramsay
;
S. I. Penev
p. 257
Evaluation of Some Integrals Involving Hermite Polynomials
L. Galue
p. 377
Moment Preserving Approximations
B. Bojanov
;
L. Gori
p. 385
Bounds and Numerical Methods for the Unique Positive Root of a Polynomial
V. H. Hristov
;
N. V. Kyurkchiev
p. 399
On the Asymptotics of a Function Related to Tricomi's Confluent Hypergeometric Function
P. Rusev
p. 409
An Estimation of the Best Monotone Spline Approximation with the Averaged Moduli of Smoothness
P. E. Parvanov
p. 419