Open Access Published by De Gruyter Open Access

Volume 18 Issue 3

July 1985

Issue of Demonstratio Mathematica

Publicly Available December 19, 2017

Titelei

Page range: I-I

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Open Access December 19, 2017

Page range: II-II

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Open Access December 19, 2017

SPLINE APPROXIMATION OF SINGULAR INTEGRAL EQUATIONS

J. Elschner, S. Prössdorf, A. Rathsfeld, G. Schmidt

Page range: 661-672

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Open Access December 19, 2017

ENTIRE SOLUTIONS OF QUASILINEAR PSEUDOPARABOLIC EQUATIONS

Heinrich Begehr

Page range: 673-686

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Open Access December 19, 2017

APPLICATION OF INTEGRAL EQUATIONS TO THE SOLUTION OF DIRICHLET TYPE PROBLEMS

J. Caldwell

Page range: 687-704

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Open Access December 19, 2017

ON OSCILLATION OF SOLUTIONS OF HIGHER ORDER VOLTERRA INTEGRO - DIFFERENTIAL EQUATIONS WITH DEVIATING ARGUMENTS

Jaroslav Jaros

Page range: 705-712

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Open Access December 19, 2017

ON SOME APPLICATIONS OF INTEQRAL EQUATIONS WITH FIXED SINGULARITIES TO BOUNDARY-CONTACT-PROBLEMS IN THERMQELASTICITY

Lothar Jentsch

Page range: 713-724

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Open Access December 19, 2017

ON GENERAL WIENER-HOPF OPERATOR THEORY AND RECENT APPLICATIONS

Frank - Olme Speck

Page range: 725-742

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Open Access December 19, 2017

GREEN'S FUNCTIONS AND BOUNDARY VALUE PROBLEMS FOR SOME CLASS OF ORDINARY DIFFERENTIAL EQUATIONS

Feliks Baranski, Jan Musialek

Page range: 743-762

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Open Access December 19, 2017

OSCILLATION OF SOLUTIONS TO A SYSTEM OF NONLINEAR INTEGRO-DIFFERENTIAL EQUATIONS

Izabela Foltynska

Page range: 763-776

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Open Access December 19, 2017

ON STARLIKENESS AND CONVEXITY OF CERTAIN ANALYTIC FUNCTIONS

Nicolas Samaris

Page range: 777-786

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Open Access December 19, 2017

QUALITATIVE INVESTIGATIONS OF A HOMOGENEOUS LINEAR SYMMETRIC t-HYPERBOLIC SYSTEM

Jerzy Radzikowski

Page range: 787-806

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Open Access December 19, 2017

HYPERSURFACES OF AN ALMOST PRODUCT RIEMANNIAN MANIFOLD

K.D. Singh, O.P. Srivastava

Page range: 807-822

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INTEGRABILITY CONDITIONS OF A STRUCTURE STATISFYING ƒ⁵ - a²ƒ= 0

Ram Nivas, C.S. Prasad

Page range: 823-832

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Open Access December 19, 2017

APPLICATION OF INTEGRAL TRANSFORMS TO DETERMINING THE POINTS OF DISCONTINUITY OF THE SOLUTIONS OF LINEAR CONTROL SYSTEMS

Anna Szymanowska

Page range: 833-844

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Open Access December 19, 2017

EXISTENCE OF A SOLUTION OF SOME FUNCTIONAL EQUATION

Anteni Augustynowicz

Page range: 845-852

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Open Access December 19, 2017

DECOMPOSITIONS OF Pⁿ INDUCED BY ALGEBRAIC K⁺- ACTIONS

Danuta Sterna

Page range: 853-862

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Open Access December 19, 2017

ON THE SOLUTIONS OF THE EQUATION ƒ(xƒ(y)^k +yƒ(x)^l)=f(x)f(y)

Maciej Sablik, Pawef Urban

Page range: 863-868

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Open Access December 19, 2017

ON A GENERALIZATION OF A THEOREM OF TIMM

Wiestaw A. Dudek, Jacek Michabki

Page range: 869-884

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Open Access December 19, 2017

ON SOME RIEMANNIAN MANIFOLDS ADMITTING TORSE-FORMING VECTOR FIELDS

Jan Kowolik

Page range: 885-892

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Open Access December 19, 2017

MULTIPLIERS INTO A CLASS OF ANALYTIC FUNCTIONS

P.K. Das

Page range: 893-898

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Open Access December 19, 2017

THE SHORT PROOFS OF THE SHARP BOUND FOR I a₄I WITHIN THE CLASSES OF QUASI -1/2 - STARLIKE FUNCTIONS AND QUASI-CONVEX FUNCTIONS

I. Dziubinski, A. Szynal, J. Szynal

Page range: 899-908

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Open Access December 19, 2017

AN ESTIMATION ON SOME FUNCTIONALS AND QUASICONFORMAL EXTENSION OF A CLASS OF UNIVALENT FUNCTIONS

Józef Miazga, Andrzej Wesolowski

Page range: 909-916

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Open Access December 19, 2017

A DEGENERATE BOUNDARY VALUE PROBLEM FOR A FUNCTIONAL DIFFERENTIAL EQUATION

Waldemar Z. Karwowski

Page range: 917-926

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Open Access December 19, 2017

A FIXED POINT THEOREM FOR NONEXPANSIVE MAPPINGS IN LOCALLY CONVEX SPACES

Bogdan Rzepecki

Page range: 927-932

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About this journal

Demonstratio Mathematica is a fully peer-reviewed, open access, electronic journal devoted to functional analysis, approximation theory, and related topics. The journal provides readers with free, instant, and permanent access to all content worldwide.

Demonstratio Mathematica accepts submissions of research articles, reviews, and communications. Submission of a manuscript implies that the work described is not copyrighted, published, or submitted elsewhere, except in abstract form. The corresponding author should ensure that all authors approve the manuscript before submission.

Aims and Scope

The potential topics include (but are not limited to):

Approximation theory and iteration methods

Fixed point theory and methods of computing fixed points

Functional, ordinary and partial differential equations

Nonsmooth analysis, variational analysis and convex analysis

Optimization theory, variational inequalities and complementarity problems

Volume 18 Issue 3

Issue of Demonstratio Mathematica

Titelei

Contents

SPLINE APPROXIMATION OF SINGULAR INTEGRAL EQUATIONS

ENTIRE SOLUTIONS OF QUASILINEAR PSEUDOPARABOLIC EQUATIONS

APPLICATION OF INTEGRAL EQUATIONS TO THE SOLUTION OF DIRICHLET TYPE PROBLEMS

ON OSCILLATION OF SOLUTIONS OF HIGHER ORDER VOLTERRA INTEGRO - DIFFERENTIAL EQUATIONS WITH DEVIATING ARGUMENTS

ON SOME APPLICATIONS OF INTEQRAL EQUATIONS WITH FIXED SINGULARITIES TO BOUNDARY-CONTACT-PROBLEMS IN THERMQELASTICITY

ON GENERAL WIENER-HOPF OPERATOR THEORY AND RECENT APPLICATIONS

GREEN'S FUNCTIONS AND BOUNDARY VALUE PROBLEMS FOR SOME CLASS OF ORDINARY DIFFERENTIAL EQUATIONS

OSCILLATION OF SOLUTIONS TO A SYSTEM OF NONLINEAR INTEGRO-DIFFERENTIAL EQUATIONS

ON STARLIKENESS AND CONVEXITY OF CERTAIN ANALYTIC FUNCTIONS

QUALITATIVE INVESTIGATIONS OF A HOMOGENEOUS LINEAR SYMMETRIC t-HYPERBOLIC SYSTEM

HYPERSURFACES OF AN ALMOST PRODUCT RIEMANNIAN MANIFOLD

INTEGRABILITY CONDITIONS OF A STRUCTURE STATISFYING ƒ5 - a2ƒ= 0

APPLICATION OF INTEGRAL TRANSFORMS TO DETERMINING THE POINTS OF DISCONTINUITY OF THE SOLUTIONS OF LINEAR CONTROL SYSTEMS

EXISTENCE OF A SOLUTION OF SOME FUNCTIONAL EQUATION

DECOMPOSITIONS OF Pn INDUCED BY ALGEBRAIC K+- ACTIONS

ON THE SOLUTIONS OF THE EQUATION ƒ(xƒ(y)k +yƒ(x)l)=f(x)f(y)

ON A GENERALIZATION OF A THEOREM OF TIMM

ON SOME RIEMANNIAN MANIFOLDS ADMITTING TORSE-FORMING VECTOR FIELDS

MULTIPLIERS INTO A CLASS OF ANALYTIC FUNCTIONS

THE SHORT PROOFS OF THE SHARP BOUND FOR I a4I WITHIN THE CLASSES OF QUASI -1/2 - STARLIKE FUNCTIONS AND QUASI-CONVEX FUNCTIONS

AN ESTIMATION ON SOME FUNCTIONALS AND QUASICONFORMAL EXTENSION OF A CLASS OF UNIVALENT FUNCTIONS

A DEGENERATE BOUNDARY VALUE PROBLEM FOR A FUNCTIONAL DIFFERENTIAL EQUATION

A FIXED POINT THEOREM FOR NONEXPANSIVE MAPPINGS IN LOCALLY CONVEX SPACES

INTEGRABILITY CONDITIONS OF A STRUCTURE STATISFYING ƒ⁵ - a²ƒ= 0

DECOMPOSITIONS OF Pⁿ INDUCED BY ALGEBRAIC K⁺- ACTIONS

ON THE SOLUTIONS OF THE EQUATION ƒ(xƒ(y)^k +yƒ(x)^l)=f(x)f(y)

THE SHORT PROOFS OF THE SHARP BOUND FOR I a₄I WITHIN THE CLASSES OF QUASI -1/2 - STARLIKE FUNCTIONS AND QUASI-CONVEX FUNCTIONS