Mathematica Balkanica

Mathematica Balkanica

Vol. 10 (1996), Fasc. 1

K. Todorov. On Some Basic Characteristics of the Elements of the Algebra of Three-Generated Quaternion Group	1
L. Boscaiu. g-Divergences on Image Measure	11
B. Lavrich. On Strongly Sequential Ordered Topological Algebras	23
L. Petrovic. On Minimal Spliting Subspaces and Markovian Extensions of a Stochastic Process	33
M. Baran. Separation Properties in Topological Categories	39
M. Beleva. Controlled Wiener Process by External Intervations Minimizing the Average Time with a Drift	49
M. Cirich, St. Bogdanovich. Direct Sums of Nil-Rings and of Rings with Clifford's Multiplicative Semigroups	65
B. Bojanov. A Jackson Type Theorem for Tchebycheff Systems	73
P. Kopanov. Rate of Convergence for Approximate Integration of the Wiener Process	83
D. P Tsvetkov. Oscillations in Linear Differential-Difference Equations	89
A. Ivich. On Large Additive Functions over Primes of Positive Density	103
R. E. Ewing, S. D. Margenov, P. S. Vassilevski. Preconditioning the Biharmonic Equation by Multilevel Iterations	121
N. S. Bozhinov, E. M. Elabd. Representation of Commutants and Multipliers Related to the Nonlocal Sturm-Liouville Integro-Differential Operator, which Integral Part is of Volterra Type	133

Vol. 10 (1996), Fasc. 2-3

K. Todorov. On a Generalization of the Quaternion Algebra	147
P. Danchev. Normed Unit Groups and Direct Factor Problem for Commutative Modular Group Algebras	161
V. Petrov. On a Problem Stated by Gyori and Ladas	175
P. Todorov. Two Simple Explicit Forms of the Taylor Expansion of the Bounded Koebe Function	183
L. Kocich, D. Miloshevich. Contouring of Interpolating Surfaces	189
J. Zarnan. Economic Modification of a Sweep's Method for Solution of Tridiagonal Linear Algebraic System of Equation	203
M. Choban. Well-Posedness of Optimization Problems and Measurable Functions	211
M. Hasanov. On the Spectral Properties of Some Classes of Two Parametric Operator Pencils	237
P. Brandi, Z. Kamont, A. Salvadori. Difference Methods for Nonlinear First Order Partial Differential Equations with Mixed Initial Boundary Conditions	249
U. Singh. On a Bibasic Transformation Formula	271
J.-M. De Koninck, A. Ivich. Arithmetic Functions Defined on Sets of Primes of Positive Density	279
G. Stamov. Integral Manifolds of Singularly Perturbed Systems of Impulsive Differential Equations Defined on Tori	301

Vol. 10 (1996), Fasc. 4

R. K. Saxena, O.P. Dave. Composition of Fractional Integration Operators Involving Multivariate H-Function	315
D. N. Vyas, P. K. Banerji. On Dirichlet Averages	331
M. Tuba. A Comparison of Dynamic and Static Routing in Computer Networks	339
M. S. Hristova. Separable Commuting with the Generalized Hardy-Littlewood Operator for Several Complex Variables	349
D. Dimitrovski, M.Rajovich, R. Stojiljkovich. Iteration Method Applied to Higher-order Equations of I. N. Vekua Type with Analytic Coefficients (in French)	355
B. Boricich, M. Rashkovich. A Probabilistic Validity Measure in Intuitionistic Propositional Logic	365
T. S. Todorov. On a Class of Nelson-Type Examples for Higher Order Partial Differential Operators	373
I. Bosnjak, M. Z. Grulovic. On one Absorption Law in Groupoid Theory	389
M. Salah El-Sayed. A Direct Method for Solving Band Systems of Linear Algebraic Equations	397
V. Buryskov, S. Burysek. On the Spectrum of the Couple of Symmetric Homogeneous Operators	407
K. Georgiev. Implementation of the Additive Overlapping Domain Decomposition Method to 3-D Elasticity Problems	419

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