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Latest
Issue
Volume
13, No.
1,
March
2020
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Articles |
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Coupled
Fixed Point
Theorem for
Hybrid Pairs
of Mappings
under φ - ψ
Contraction
in Fuzzy
Metric Space
In this
paper, we
establish
some common
coupled
fixed point
theorems for
two hybrid
pairs of
mappings
under ϕ − ψ
contraction
on
noncomplete
fuzzy metric
spaces using
the property
(EA)
introduced
by Deshpande
and Handa
[3].
We improve,
extend and
generalize
the results
of Deshpande
and Handa
[3] and
several
other known
results in
metric
spaces to
fuzzy metric
spaces. |
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Rohit Pathak
JJMS,
2020, 13(1),
1-15
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In
this
article,
we
introduce
and
investigate
dominated
classes
the
notion
of
(h,
g)-harmonic
convex
dominated
functions.
As
particular
cases
of
(h,
g)-harmonic
convex
dominated
functions,
we
also
define
some
other
new
classes
of
harmonic
convex
dominated.
We
derive
some
integral
inequalities
of
Hermite-Hadamard
type
via
(h,
g)-harmonic
convex
dominated
functions
and
also
give
the
fractional
version
of
these
inequalities.
Some
new
special
cases
are
also
discussed
which
can
be
deduced
from
our
main
results.
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Erhan Set
Muhammad
Uzair Awan
Muhammad
Aslam Noor
Khalida
Inayat Noor
Nousheen
Akhtar
JJMS,
2020, 13(1),
17-35
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On the Hosoya polynomial and Wiener index of Jump Graph
In this paper, we obtain the expressions for Wiener index and Hosoya
polynomial of a graph with diameter ≤ 3. Further, we obtain Wiener index and Hosoya polynomial of jump graph of certain graph families. In addition, we give bounds for Wiener index of jump graph.
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Keerthi G.
Mirajkar
Pooja B.
JJMS,
2020, 13(1),
37-59 |
T-Relative Fuzzy Maps and some Fixed Point Results
The concept of T−Relative fuzzy sets was recently introduced by Osawaru, Olaleru and Olaoluwa [2]. It is a fuzzy set in which the membership grade of an element is dynamic and can change on a time scale. In this paper, we introduce and develop the theory of T−Relative fuzzy maps and prove some fixed point results on these maps. Previous related results in literature are shown as special cases with examples.
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K. E.
Osawaru
J. O.
Olaleru
H. Akewe
JJMS,
2020, 13(1),
61-88
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Conformal Ricci Solitons on 3-dimensional Trans-Sasakian Manifold
In this paper we have studied and obtained results on Conformal Ricci solitons in 3-dimensional trans-Sasakian manifold M satisfying
R(ξ, X).B = 0,B(ξ, X).S = 0, S(ξ, X).R = 0,R(ξ, X).P = 0 and P(ξ, X).S = 0, where B and P are C-Bochner and Pseudo-projective curvature tensor respectively.
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Soumendu Roy
Arindam
Bhattacharyya
JJMS,
2020, 13(1),
89-109
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On Projectively Flat Special (α, β)-Metric
In this paper, we discussed the projectively flat exponential (α, β)-metric of type L = α e β/α We obtained a necessary and sufficient condition for this metric to be locally projectively flat and we established the conditions for this metric to be Berwald type and Douglas type.
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Ganga Prasad
Yadav
Akansha
JJMS,
2020, 13(1),
111-124
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Quasi-Multiplication
and
Quasi-Comultiplication
Modules
In this
paper, we
will
introduce
the notion
of
quasi-multiplication
(resp.
quasi-comultiplication)
modules over
a
commutative
ring as a
generalization
of
multiplication
(resp.
comultiplication)
modules and
explore some
basic
properties
of these
classes of
modules.
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Faranak
Farshadifar
H.
Ansari-Toroghy
JJMS,
2020, 13(1),
125-137
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Some
Properties
on Fuzzy
Star Graph
and Fuzzy
Line Graph
In 1973,
Kauffman [8]
introduced
the concept
of fuzzy
graphs. The
Wiener index
of a graph
was
introduced
in 1947 by
Wiener in
[24]. The
Wiener index
of a fuzzy
graph was
introduced
by Mordeson
and Mathew
in [14]. In
this paper,
we’ve
achieved the
fuzzy Wiener
index, the
fuzzy
hyper-Wiener
index, the
fuzzy
reverse-Wiener
index of
fuzzy star
graph and
fuzzy line
graph. We
also study
the concept
of the first
and second
fuzzy Zagreb
indices and
coindices
and mention
the relation
between
fuzzy Wiener
index, fuzzy
hyper-Wiener
index and
fuzzy Zagreb
indices and
coindices of
the fuzzy
star graph.
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Fariba
Fayazi
F. Mahmudi
A. Gholami
JJMS,
2020, 13(1),
139-151
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4-Total
Prime
Cordial
Labeling of
some Special
Graphs
Let G be a
(p, q)
graph. Let f
: V (G) →
{1, 2, . . .
, k} be a
map where
k ϵ N is a
variable and
k > 1. For
each edge uv,
assign the
label gcd (f(u),
f(v)). f is
called
k-total
prime
cordial
labeling of
G if |tf (i)
− tf (j)| ≤
1, i, j ϵ
{1, 2, · · ·
, k} where
tf (x)
denotes the
total number
of vertices
and the
edges
labeled with
x. A graph
with a
k-total
prime
cordial
labeling is
called
k-total
prime
cordial
graph. In
this paper
we
investigate
the 4-total
prime
cordial
labeling of
some special
graphs.
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R. Ponraj
J.
Maruthamani
R. Kala
JJMS,
2020, 13(1),
153-168
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