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Volume
9, No.
2, June
2016
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Articles |
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A
Generalization
of Slant
Toeplitz
Operators
We ask about
the
solutions of
the equation
λMzX = XMz2,
for general
complex
number
λ,
which are
referred as
λ-slant Toeplitz
operators.
We
completely
solve this
equation and
discuss some
algebraic as
well as
spectral
properties
of λ-slant Toeplitz
operators.
The
compactness
of the
compression
of
λ-slant Toeplitz
operators is
also
addressed.
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Gopal Datt
Ritu
Aggarwal
JJMS,
2016, 9(2),73-92
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Hopf
Bifurcation
Analysis
in a
System
for
Cancer
Virotherapy
with
Effect
of
the
Immune
System
We
consider
a
system
of
differential
equations
which
is
motivated
biologically
and
simulates
a
cancer
virotherapy.
The
existence
of
equilibrium
points
and
their
local
stability
are
studied
using
the
characteristic
equation.
We
investigate
Hopf
bifurcation
around
the
interior
equilibrium
point.
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Akram Ashyani
H. Mohammadinejad
Omid Rabieimotlagh
JJMS,
2016, 9(2),93-115
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Further Results on the Uniqueness of Meromorphic Functions and their Derivative Counterpart Sharing One or Two Sets
In this
paper we
prove a
number
of
results
concerning
uniqueness
of a
meromorphic
function
as well
as its
derivative
sharing
one or
two
sets. In
particular,
we deal
with the
specific
question
raised
in [18],
[19],
[20] and
ultimately
improve
the
result
of Banerjee - Bhattacharjee
[4].
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Abhijit
Banerjee
Bikash
Chakraborty
JJMS,
2016, 9(2),117-139
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Soft
Group
Based on
Soft
Element
Using the
notion of
soft element
[13], in
this paper,
we de ne a
binary
operation on
the set of
all nonempty
soft
elements of
a given soft
set to
introduce
soft
groupoid.
Then we give
the
definition
of soft
group based
on soft
elements and
establish
necessary
and
sufficient
conditions
for a soft
set to be a
soft group.
Also we
compare some
properties
like
commutative
property,
cyclic
property of
soft group
with those
of given
parameter
set and
initial
universe
set. |
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Jayanta
Ghosh
Dhananjoy
Mandal
T. K.
Samanta
JJMS,
2016, 9(2),141-159
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Neighborhood of a Class of Analytic Functions with Negative Coefficients Defined by the Generalized Ruschewey Derivatives Involving a General Fractional Derivative Operator
By making use of the familiar concept of neighborhoods of analytic functions, we prove several inclusion relations associated with the (n, δ) - neighborhoods of various subclasses of starlike and convex functions of complex order defined by the generalized Ruscheweyh derivative involving a general fractional derivative operator. Special cases of some of these inclusion relations are shown to yield known results.
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Hazha Zirar
JJMS,
2016,
9(2),
161-172
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