OTHERS_CITABLE
Integrating Goal Programming, Taylor Series, Kuhn-Tucker Conditions, and Penalty Function Approaches to Solve Linear Fractional Bi-level Programming Problems
In this paper, we integrate goal programming (GP), Taylor Series, Kuhn-Tucker conditions and Penalty Function approaches to solve linear fractional bi-level programming (LFBLP)problems. As we know, the Taylor Series is having the property of transforming fractional functions to a polynomial. In the present article by Taylor Series we obtain polynomial objective functions which are equivalent to fractional objective functions. Then on using the Kuhn-Tucker optimality condition of the lower level problem, we transform the linear bilevel programming problem into a corresponding single level programming. The complementary and slackness condition of the lower level problem is appended to the upper level objective with a penalty, that can be reduce to a single objective function. In the other words, suitable transformations can be applied to formulate FBLP problems. Finally a numerical example is given to illustrate the complexity of the procedure to the solution.
http://ijmsi.ir/article-1-281-en.pdf
2015-04-29T10:20:15
1
10
10.7508/ijmsi.2015.01.001
Bi-level programming
Fractional programming
Taylor Series
Kuhn-Tucker conditions
Goal programming
Penalty function.
M.
Saraj
msaraj@scu.ac.ir
1
Shahid Chamran University
AUTHOR
N.
Safaei
n_safaei@ymail.com
2
Shahid Chamran University
AUTHOR
OTHERS_CITABLE
Optimal Linear Codes Over GF(7) and GF(11) with Dimension 3
Let $n_q(k,d)$ denote the smallest value of $n$ for which there exists a linear $[n,k,d]$-code over the Galois field $GF(q)$. An $[n,k,d]$-code whose length is equal to $n_q(k,d)$ is called {em optimal}. In this paper we present some matrix generators for the family of optimal $[n,3,d]$ codes over $GF(7)$ and $GF(11)$. Most of our given codes in $GF(7)$ are non-isomorphic with the codes presented before. Our given codes in $GF(11)$ are all new.
http://ijmsi.ir/article-1-384-en.pdf
2015-04-29T10:20:15
11
22
10.7508/ijmsi.2015.01.002
Linear codes
Optimal codes
Griesmer bound.
M.
Emami
mojgan.emami@yahoo.com
1
Univ. of Zanjan
AUTHOR
L.
pedram
leilapedram@yahoo.com
2
Univ. of Zanjan
AUTHOR
OTHERS_CITABLE
OD-characterization of Almost Simple Groups Related to displaystyle D4(4)
Let $G$ be a finite group and $pi_{e}(G)$ be the set of orders of all elements in $G$. The set $pi_{e}(G)$ determines the prime graph (or Grunberg-Kegel graph) $Gamma(G)$ whose vertex set is $pi(G)$, the set of primes dividing the order of $G$, and two vertices $p$ and $q$ are adjacent if and only if $pqinpi_{e}(G)$. The degree $deg(p)$ of a vertex $pin pi(G)$, is the number of edges incident on $p$. Let $pi(G)={p_{1},p_{2},...,p_{k}}$ with $p_{1}
http://ijmsi.ir/article-1-382-en.pdf
2015-04-29T10:20:15
23
43
10.7508/ijmsi.2015.01.003
Degree pattern
$k$-fold OD-characterizable
Almost simple group.
G. R.
Rezaeezadeh
rezaeezadeh@sci.sku.ac.ir
1
university of shahrekord
AUTHOR
M. R.
Darafsheh
darafsheh@ut.ac.ir
2
university of tehran
AUTHOR
M.
Bibak
m.bibak62@gmail.com
3
university of shahrekord
AUTHOR
M.
Sajadi
sajadi−mas@yahoo.com
4
university of shahrekord
AUTHOR
OTHERS_CITABLE
Associated Graphs of Modules Over Commutative Rings
Let $R$ be a commutative ring with identity and let $M$ be an $R$-module. In this paper we introduce a new graph associated to modules over commutative rings. We study the relationship between the algebraic properties of modules and their associated graphs. A topological characterization for the completeness of the special subgraphs is presented. Also modules whose associated graph is complete, tree or complete bipartite are studied and several characterizations are given.
http://ijmsi.ir/article-1-418-en.pdf
2015-04-29T10:20:15
45
58
10.7508/ijmsi.2015.01.004
Associated Graph of module
Prime spectrum
Connected graph
Diameter.
A.
Abbasi
aabbasi@guilan.ac.ir
1
Uni. Guilan
AUTHOR
H.
Roshan-Shekalgourabi
hroshan@guilan.ac.ir
2
Uni. Guilan
AUTHOR
D.
Hassanzadeh-Lelekaami
dhmath@guilan.ac.ir
3
Uni. Guilan
AUTHOR
OTHERS_CITABLE
Filters and the Weakly Almost Periodic Compactification of a Semitopological Semigroup
Let $S$ be a semitopological semigroup. The $wap-$ compactification of semigroup S, is a compact semitopological semigroup with certain universal properties relative to the original semigroup, and the $Lmc-$ compactification of semigroup $S$ is a universal semigroup compactification of $S$, which are denoted by $S^{wap}$ and $S^{Lmc}$ respectively. In this paper, an internal construction of the $wap-$compactification of a semitopological semigroup is constructed as a space of $z-$filters. Also we obtain the cardinality of $S^{wap}$ and show that if $S^{wap}$ is the one point compactification then $(S^{Lmc}-S)*S^{Lmc}$ is dense in $S^{Lmc}-S$.
http://ijmsi.ir/article-1-437-en.pdf
2015-04-29T10:20:15
59
80
10.7508/ijmsi.2015.01.005
Semigroup compactification
$Lmc$-compactification
$wap$-compactification
$z$-filter.
M.
Akbari Tootkaboni
akbari@shahed.ac.ir
1
Shahed University
AUTHOR
OTHERS_CITABLE
Gravitational Search Algorithm to Solve the K-of-N Lifetime Problem in Two-Tiered WSNs
Wireless Sensor Networks (WSNs) are networks of autonomous nodes used for monitoring an environment. In designing WSNs, one of the main issues is limited energy source for each sensor node. Hence, offering ways to optimize energy consumption in WSNs which eventually increases the network lifetime is strongly felt. Gravitational Search Algorithm (GSA) is a novel stochastic population-based meta-heuristic that has been successfully designed for solving continuous optimization problems. GSA has a flexible and well-balanced mechanism to enhance intensification (intensively explore areas of the search space with high quality solutions) and diversification (move to unexplored areas of the search space when necessary) abilities. In this paper, we will propose a GSA-based method for near-optimal positioning of Base Station (BS) in heterogeneous two-tiered WSNs, where Application Nodes (ANs) may own different data transmission rates, initial energies and parameter values. Here, we treat with the problem of positioning of BS in heterogeneous two-tiered WSNs as a continuous optimization problem and show that proposed GSA can locates the BS node in an appropriate near-optimal position of heterogeneous WSNs. From the experimental results, it can be easily concluded that the proposed approach finds the better location when compared to the PSO algorithm and the exhaustive search.
http://ijmsi.ir/article-1-333-en.pdf
2015-04-29T10:20:15
81
93
10.7508/ijmsi.2015.01.006
Wireless sensor network (WSN)
Two-tiered WSNs
Base station location
Energy consumption
Network lifetime
Gravitational search algorithm (GSA).
M.
Kuchaki Rafsanjani
marjankuchaki@yahoo.com
1
Shahid Bahonar University of Kerman
AUTHOR
M. B.
Dowlatshahi
2
Shahid Bahonar University of Kerman
AUTHOR
H.
Nezamabadi-Pour
3
Shahid Bahonar University of Kerman
AUTHOR
OTHERS_CITABLE
Distance-Balanced Closure of Some Graphs
In this paper we prove that any distance-balanced graph $G$ with $Delta(G)geq |V(G)|-3$ is regular. Also we define notion of distance-balanced closure of a graph and we find distance-balanced closures of trees $T$ with $Delta(T)geq |V(T)|-3$.
http://ijmsi.ir/article-1-714-en.pdf
2015-04-29T10:20:15
95
102
10.7508/ijmsi.2015.01.007
Distances in graphs
Distance-balanced graphs
Distance-balanced closure.
N.
Ghareghani
ghareghani@ut.ac.ir
1
University of Tehran
AUTHOR
B.
Manoochehrian
behzad@khayam.ut.ac.ir
2
University of Tehran
AUTHOR
M.
Mohammad-Noori
morteza@ipm.ir
3
University of Tehran
AUTHOR
OTHERS_CITABLE
($phi,rho$)-Representation of $Gamma$-So-Rings
A $Gamma$-so-ring is a structure possessing a natural partial ordering, an infinitary partial addition and a ternary multiplication, subject to a set of axioms. The partial functions under disjoint-domain sums and functional composition is a $Gamma$-so-ring. In this paper we introduce the notions of subdirect product and $(phi,rho)$-product of $Gamma$-so-rings and study $(phi,rho)$-representation of $Gamma$-so-rings.
http://ijmsi.ir/article-1-465-en.pdf
2015-04-29T10:20:15
103
119
10.7508/ijmsi.2015.01.008
Subdirectly irreducible $Gamma$-so-ring
Subdirect product
$(phi
rho)$-product of $Gamma_i$-so-rings
$(phi
rho)$-representation of a $Gamma$-so-ring.
M.
Siva Mala
sivamala_aug9@yahoo.co.in
1
V.R.Siddhartha Engineering College, Kanuru
AUTHOR
K.
Siva Prasad
siva235prasad@yahoo.co.in
2
Acharya Nagarjuna University
AUTHOR
OTHERS_CITABLE
On Barycentric-Magic Graphs
Let $A$ be an abelian group. A graph $G=(V,E)$ is said to be $A$-barycentric-magic if there exists a labeling $l:E(G)longrightarrow Asetminuslbrace{0}rbrace$ such that the induced vertex set labeling $l^{+}:V(G)longrightarrow A$ defined by $l^{+}(v)=sum_{uvin E(G)}l(uv)$ is a constant map and also satisfies that $l^{+}(v)=deg(v)l(u_{v}v)$ for all $v in V$, and for some vertex $u_{v}$ adjacent to $v$. In this paper we determine all $hinmathbb{N}$ for which a given graph G is $mathbb{Z}_{h}$-barycentric-magic and characterize $mathbb{Z}_{h}$-barycentric-magic labeling for some graphs containing vertices of degree 2 and 3.
http://ijmsi.ir/article-1-487-en.pdf
2015-04-29T10:20:15
121
129
10.7508/ijmsi.2015.01.009
Magic graph
Barycentric sequences
Barycentric magic graph.
M. T.
Varela
mtvarela@usb.ve
1
Universidad Simon Bolıvar
AUTHOR
OTHERS_CITABLE
On the 2-absorbing Submodules
Let $R$ be a commutative ring and $M$ be an $R$-module. In this paper, we investigate some properties of 2-absorbing submodules of $M$. It is shown that $N$ is a 2-absorbing submodule of $M$ if and only if whenever $IJLsubseteq N$ for some ideals $I,J$ of R and a submodule $L$ of $M$, then $ILsubseteq N$ or $JLsubseteq N$ or $IJsubseteq N:_RM$. Also, if $N$ is a 2-absorbing submodule of $M$ and $M/N$ is Noetherian, then a chain of 2-absorbing submodules of $M$ is constructed. Furthermore, the annihilation of $E(R/frak p)$ is studied whenever $0$ is a 2-absorbing submodule of $E(R/frak p)$, where $frak p$ is a prime ideal of $R$ and $E(R/frak p)$ is an injective envelope of $R/frak p$.
http://ijmsi.ir/article-1-512-en.pdf
2015-04-29T10:20:15
131
137
10.7508/ijmsi.2015.01.010
2-absorbing ideal
2-absorbing submodule
A chain of 2-absorbing submodule.
Sh.
Payrovi
shpayrovi@sci.ikiu.ac.ir
1
Imam Khomeini International University
AUTHOR
S.
Babaei
sbabaei@edu.ikiu.ac.ir
2
Imam Khomieni International University
AUTHOR
OTHERS_CITABLE
On Tensor Product of Graphs, Girth and Triangles
The purpose of this paper is to obtain a necessary and sufficient condition for the tensor product of two or more graphs to be connected, bipartite or eulerian. Also, we present a characterization of the duplicate graph $G 1 K_2$ to be unicyclic. Finally, the girth and the formula for computing the number of triangles in the tensor product of graphs are worked out.
http://ijmsi.ir/article-1-581-en.pdf
2015-04-29T10:20:15
139
147
10.7508/ijmsi.2015.01.011
Tensor product
Bipartite graph
Connected graph
Eulerian graph
Girth
Cycle
Path.
H. P.
Patil
hpppondy@gmail.com
1
Pondicherry University
AUTHOR
V.
Raja
vraja.math@gmail.com
2
Pondicherru university
AUTHOR
OTHERS_CITABLE
Epi-Cesaro Convergence
Since the turn of the century there have been several notions of convergence for subsets of metric spaces appear in the literature. Appearing in as a subset of these notions is the concepts of epi-convergence. In this paper we peresent definitions of epi-Cesaro convergence for sequences of lower semicontinuous functions from $X$ to $[-infty,infty]$ and Kuratowski Cesaro convergence of sequences of sets. Also we characterize the connection between epi-Cesaro convergence of sequences of functions and Kuratowski Cesaro convergence of their epigarphs.
http://ijmsi.ir/article-1-639-en.pdf
2015-04-29T10:20:15
149
155
10.7508/ijmsi.2015.01.012
Cesaro convergence
Epi-convergence
Epi-Cesaro convergence
Lower semicontinuous function.
F.
Nuray
fnuray@aku.edu.tr
1
Afyon Kocatepe University
AUTHOR
R. F.
Patterson
rpatters@unf.edu
2
University of North Florida
AUTHOR
CASE_STUDY
ABSTRACTS IN PERSIAN - Vol. 10, No. 1
Please see the full text contains the Pesian abstracts for this volume.
http://ijmsi.ir/article-1-841-en.pdf
2016-01-27T10:20:15
157
169
Name of Authors
in This Volume
1
jahade daneshgahi
AUTHOR