Open Access Published by De Gruyter Open Access

Volume 28 Issue 3

July 1995

Issue of Demonstratio Mathematica

Publicly Available December 19, 2017

Titelei

Page range: I-I

Download PDF

Open Access December 19, 2017

Page range: II-II

Download PDF

Open Access December 19, 2017

UMBILICAL POINTS ON ANALYTIC SURFACES DIFFEOMORPHIC WITH THE 2-DIMENSIONAL SPHERE IN EUCLIDEAN 3-DIMENSIONAL SPACE

Marek Rochowski

Page range: 497-518

Download PDF

Open Access December 19, 2017

ON SOME CLASSES OF SYSTEMS OF INTEGRAL INEQUALITIES

M. E. Titenskii

Page range: 519-532

Download PDF

Open Access December 19, 2017

ALMOST _r-CONTACT SEMI-SYMMETRIC METRIC FINSLER CONNECTION ON VECTOR BUNDLE

K. K. Dube

Page range: 533-540

Download PDF

Open Access December 19, 2017

FIXED POINT THEOREMS ON PRODUCT OF COMPACT METRIC SPACES

U. C. Gairola, S. L. Singh, J. H. M. Whitfield

Page range: 541-548

Download PDF

Open Access December 19, 2017

ON PRINCIPAL MAPS OF THE PLANE

Bronislaw Przybylski

Page range: 549-566

Download PDF

Open Access December 19, 2017

A NOTE ON SUBMAXIMAL SPACES AND SMPC FUNCTIONS

R. A. Mahmoud, D. A. Rose

Page range: 567-574

Download PDF

Open Access December 19, 2017

ON THE OSCILLATION OF SOLUTIONS OF DIFFERENCE EQUATIONS

Jerzy Popenda

Page range: 575-586

Download PDF

Open Access December 19, 2017

ON SOME CHARACTERIZATIONS OF -Ϭ CONTINUOUS MULTIFUNCTION

Yalgin Kügük

Page range: 587-596

Download PDF

Open Access December 19, 2017

ON THE STABILITY OF THE DIFFERENCE SCHEMA APPROXIMATING CAUCHY'S PROBLEM FOR A PARABOLIC EQUATION

Vu Van Hung

Page range: 597-602

Download PDF

Open Access December 19, 2017

A NOTE ON CONTRACTORS IN RANDOM NORMED SPACES

A. Chitra, P. V. Subrahmanyam

Page range: 603-610

Download PDF

Open Access December 19, 2017

ON CERTAIN SUBCLASS OF CONVEX FUNCTIONS

M. K. Aouf

Page range: 611-618

Download PDF

Open Access December 19, 2017

CONVERGENCE WITH RESPECT TO THE IDEAL OF MEAGER SETS IN SEPARABLE CATEGORY BASES

Jacek Hejduk

Page range: 619-624

Download PDF

Open Access December 19, 2017

ON THE FORM OF SOLUTIONS OF THE ITERATIVE FUNCTIONAL EQUATION OF THE n-TH ORDER

Maria Stopa

Page range: 625-634

Download PDF

Open Access December 19, 2017

SYMMETRIES OF SECTIONAL CURVATURE ON 3-MANIFOLDS

Luis A. Cordero, Phillip E. Parker

Page range: 635-650

Download PDF

Open Access December 19, 2017

AN APPLICATION OF NAGELL'S ESTIMATE OF THE LEAST ODD QUADRATIC NONRESIDUE

Stefan Chaiadus

Page range: 651-656

Download PDF

Open Access December 19, 2017

ON SOME PROPERTIES OF ALGEBRAS OF LMC-ALGEBRA VALUED FUNCTIONS

Jorma Arhippainen

Page range: 657-662

Download PDF

Open Access December 19, 2017

ON THE SETS C_VC_V IN THE GROUP SL(n, K)

Jan Ambrosiewicz

Page range: 663-666

Download PDF

Open Access December 19, 2017

GLOBAL IN TIME EXISTENCE OF SOLUTIONS TO THE CONSTITUTIVE MODEL OF BODNER-PARTOM WITH ISOTROPIC HARDENING

Krzysztof Chelminski

Page range: 667-688

Download PDF

Open Access December 19, 2017

L _a-ALMOST PERIODIC FUNCTIONS

Stanislaw Stoinski

Page range: 689-696

Download PDF

Open Access December 19, 2017

A FIXED POINT THEOREM FOR m-WEAK** COMMUTING MAPPINGS

H. K. Pathak, V. Popa, V. V. S. N. Lakshmi

Page range: 697-702

Download PDF

Open Access December 19, 2017

ON SOME PROPERTIES OF SOLUTIONS OF THE EQUATION x⁽ⁿ⁾ + ax = 0

Stefania Ginalska

Page range: 703-706

Download PDF

Open Access December 19, 2017

ON FUNCTIONS WITH QUASI-COMPANION

Adolf Schleiermacher, Jolan M. Targonski

Page range: 707-724

Download PDF

Open Access December 19, 2017

ON LOCALLY SYMMETRIC SETS

F. Miroslaw Filipczak

Page range: 725-732

Download PDF

Open Access December 19, 2017

ON GAUSSIAN RANDOM MEASURES GENERATED BY EMPIRICAL DISTRIBUTIONS OF INDEPENDENT RANDOM VARIABLES

Wlodzimierz Bryc, Wlodzimierz Smolenski

Page range: 733-738

Download PDF

Open Access December 19, 2017

MATRIX EXPRESSIONS FOR MINIMUM SEMINORM LEAST SQUARES SOLUTIONS OF LINEAR SYSTEMS AND THE RELATED INVERSE

Witold Proszynski, Andrzej Sosnowski

Page range: 739-748

Download PDF

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 28 Issue 3

Issue of Demonstratio Mathematica

Titelei

Contents

UMBILICAL POINTS ON ANALYTIC SURFACES DIFFEOMORPHIC WITH THE 2-DIMENSIONAL SPHERE IN EUCLIDEAN 3-DIMENSIONAL SPACE

ON SOME CLASSES OF SYSTEMS OF INTEGRAL INEQUALITIES

ALMOST r-CONTACT SEMI-SYMMETRIC METRIC FINSLER CONNECTION ON VECTOR BUNDLE

FIXED POINT THEOREMS ON PRODUCT OF COMPACT METRIC SPACES

ON PRINCIPAL MAPS OF THE PLANE

A NOTE ON SUBMAXIMAL SPACES AND SMPC FUNCTIONS

ON THE OSCILLATION OF SOLUTIONS OF DIFFERENCE EQUATIONS

ON SOME CHARACTERIZATIONS OF -Ϭ CONTINUOUS MULTIFUNCTION

ON THE STABILITY OF THE DIFFERENCE SCHEMA APPROXIMATING CAUCHY'S PROBLEM FOR A PARABOLIC EQUATION

A NOTE ON CONTRACTORS IN RANDOM NORMED SPACES

ON CERTAIN SUBCLASS OF CONVEX FUNCTIONS

CONVERGENCE WITH RESPECT TO THE IDEAL OF MEAGER SETS IN SEPARABLE CATEGORY BASES

ON THE FORM OF SOLUTIONS OF THE ITERATIVE FUNCTIONAL EQUATION OF THE n-TH ORDER

SYMMETRIES OF SECTIONAL CURVATURE ON 3-MANIFOLDS

AN APPLICATION OF NAGELL'S ESTIMATE OF THE LEAST ODD QUADRATIC NONRESIDUE

ON SOME PROPERTIES OF ALGEBRAS OF LMC-ALGEBRA VALUED FUNCTIONS

ON THE SETS CVCV IN THE GROUP SL(n, K)

GLOBAL IN TIME EXISTENCE OF SOLUTIONS TO THE CONSTITUTIVE MODEL OF BODNER-PARTOM WITH ISOTROPIC HARDENING

L a-ALMOST PERIODIC FUNCTIONS

A FIXED POINT THEOREM FOR m-WEAK** COMMUTING MAPPINGS

ON SOME PROPERTIES OF SOLUTIONS OF THE EQUATION x(n) + ax = 0

ON FUNCTIONS WITH QUASI-COMPANION

ON LOCALLY SYMMETRIC SETS

ON GAUSSIAN RANDOM MEASURES GENERATED BY EMPIRICAL DISTRIBUTIONS OF INDEPENDENT RANDOM VARIABLES

MATRIX EXPRESSIONS FOR MINIMUM SEMINORM LEAST SQUARES SOLUTIONS OF LINEAR SYSTEMS AND THE RELATED INVERSE

ALMOST _r-CONTACT SEMI-SYMMETRIC METRIC FINSLER CONNECTION ON VECTOR BUNDLE

ON THE SETS C_VC_V IN THE GROUP SL(n, K)

L _a-ALMOST PERIODIC FUNCTIONS

ON SOME PROPERTIES OF SOLUTIONS OF THE EQUATION x⁽ⁿ⁾ + ax = 0