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Latest
Issue
Volume
11, No.
4,
December
2018
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Articles |
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Fixed Point
Results in
Orthogonal
Fuzzy Metric
Spaces
In this
article, our
aim is to
discuss the
Banach's
contraction
and Suzuki
type
contraction
in
orthogonal
fuzzy metric
spaces. We
furnish our
discussion
with an
example to
demonstrate
the validity
of these
results.
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Masoomeh Hezarjaribi
JJMS,
2018, 11(4),295-308
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Ostrowski Inequality and Applications in Information Theory
Here
we
provide,
an
approximation
for
new
f-divergence
between
two
probability
distributions
defined
on
finite
set
in
terms
of
integral
means
using
Ostrowskis
integral
inequality.
Some
particular
cases
are
derived.
Consider
some
numerical
illustration
with
the
case
when
each
pair
pi;
qi
is
very
close
and
deal
with
applications
to
mutual
information.
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Ram Naresh
Saraswat
Ajay Tak
JJMS,
2018, 11(4),309-323
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Dual Annihilators in Bounded BCK-Algebras
In this paper, for any two subsets A and C of a bounded BCK-algebra X, the concept of dual annihilator of A with respect to C, denoted by (C : A)d, is introduced and some related properties are investigated. It is proved that if A is a dual ideal and C a normal ideal of an involutory BCK-algebra X, then (C : A)d is the relative pseudocomplement of A with respect to NC. Moreover, applying the concept of dual annihilator, the involutory dual ideal with respect to an ideal is defined, and it is shown that the set of all involutory dual ideals with respect to a normal ideal forms a distributive lattice.
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Ali Banderi
Habib
Harizavi
JJMS,
2018, 11(4),325-344
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On D-Metacompactness in Bitopological Space
In this paper we define pairwise D-metacompact spaces and study their
properties and their relations with other topological spaces. Several examples are discussed and many will known theorems are generalized concerning metacompact spaces.
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Hamza
Qoqazeh
Hasan Hdeib
Emad Abu
Osba
JJMS, 2018,
11(4),345-361
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Bade-Property; Survey and Comparison with λ-Property, Russo-Dye Theorem and Extremally Richness
In this article, we survey a geometric property, called Bade-property,
originally introduced by William Bade. First, we review Bade's work in normed linear spaces. Next, we illustrate various interesting results of Bade-property in the spaces of convergent sequences established by Aizpuru. Then, we investigate Bade-property in comparison with some other geometric properties, such as λ-property due to Aron and Lohman, Russo-Dye Theorem and extremally richness in C*-algebras, JB*-algebrs/triples and JBW*-triples.
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H. M.
Tahlawi
G. M.
Alsahli
JJMS, 2018,
11(4),363-382
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On Almost Contra e*θ-Continuous Functions
The aim of this paper is to introduce and investigate some of fundamental properties of almost contra e*θ-continuous functions via e*θ-closed sets which are defined by Farhan and Yang [15]. Also, we obtain several characterizations of almost contra e*θ-continuous functions. Furthermore, we investigate the relationships between almost contra e*θ-continuous functions and seperation axioms and
e*θ-closedness of graphs of functions.
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B. S. Ayhan
M. Özkoç
JJMS, 2018,
11(4),383-408
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