**Volume 55 (2023)**

**Volume 54 (2022)**

**Volume 53 (2021)**

**Volume 52 (2020)**

**Volume 51 (2019)**

**Volume 50 (2018)**

**Volume 49 (2017)**

**Volume 48 (2016)**

**Volume 47 (2016)**

**Volume 46 (2015)**

**Volume 45 (2014)**

**Volume 44 (2013)**

**Volume 43 (2009)**

**Volume 42 (2008)**

**Volume 41 (2007)**

Number of Articles: 12

##### A novel algorithm to determine the leaf (leaves) of a binary tree from its preorder and postorder traversals

*Volume 49, Issue 2 , December 2017, Pages 1-11*

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**Abstract **

Binary trees are essential structures in Computer Science. The leaf (leaves) of a binary tree is one of the most significant aspects of it. In this study, we prove that the order of a leaf (leaves) of a binary tree is the same in the main tree traversals; preorder, inorder, and postorder. Then, we prove ...
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##### Super Pair Sum Labeling of Graphs

*Volume 49, Issue 2 , December 2017, Pages 13-22*

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**Abstract **

Let $G$ be a graph with $p$ vertices and $q$ edges. The graph $G$ is said to be a super pair sum labeling if there exists a bijection $f$ from $V(G)\cup E(G)$ to $\{0, \pm 1, \pm2, \dots, \pm (\frac{p+q-1}{2})\}$ when $p+q$ is odd and from $V(G)\cup E(G)$ to $\{\pm 1, \pm 2, \dots, \pm (\frac{p+q}{2})\}$ ...
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##### Just chromatic exellence in fuzzy graphs

*Volume 49, Issue 2 , December 2017, Pages 23-32*

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**Abstract **

A fuzzy graph is a symmetric binary fuzzy relation on a fuzzy subset. The concept of fuzzy sets and fuzzy relations was introduced by L.A.Zadeh in 1965\cite{zl} and further studied\cite{ka}. It was Rosenfeld\cite{ra} who considered fuzzy relations on fuzzy sets and developed the theory of fuzzy graphs ...
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##### Vulnerability Measure of a Network - a Survey

*Volume 49, Issue 2 , December 2017, Pages 33-40*

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**Abstract **

In this paper we discuss about tenacity and its properties in stability calculation. We indicate relationships between tenacity and connectivity, tenacity and binding number, tenacity and toughness. We also give good lower and upper bounds for tenacity. Since we are primarily interested in the case where ...
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##### k-Remainder Cordial Graphs

*Volume 49, Issue 2 , December 2017, Pages 41-52*

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**Abstract **

In this paper we generalize the remainder cordial labeling, called $k$-remainder cordial labeling and investigate the $4$-remainder cordial labeling behavior of certain graphs.
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##### A new indexed approach to render the attractors of Kleinian groups

*Volume 49, Issue 2 , December 2017, Pages 53-62*

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**Abstract **

One widespread procedure to render the attractor of Kleinian groups, appearing in the renown book [8], wantshuge memory resources to compute and store the results. We present a new faster and lighter version that drops the original array and pulls out group elements from integers.
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##### Solving a non-convex non-linear optimization problem constrained by fuzzy relational equations and Sugeno-Weber family of t-norms

*Volume 49, Issue 2 , December 2017, Pages 63-101*

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**Abstract **

Sugeno-Weber family of t-norms and t-conorms is one of the most applied one in various fuzzy modelling problems. This family of t-norms and t-conorms was suggested by Weber for modeling intersection and union of fuzzy sets. Also, the t-conorms were suggested as addition rules by Sugeno for so-called ...
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##### New Algorithm For Computing Secondary Invariants of Invariant Rings of Monomial Groups

*Volume 49, Issue 2 , December 2017, Pages 103-111*

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**Abstract **

In this paper, a new algorithm for computing secondary invariants of invariant rings of monomial groups is presented. The main idea is to compute simultaneously a truncated SAGBI-\G basis and the standard invariants of the ideal generated by the set of primary invariants. The advantage ...
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##### Vibration Analysis of Global Near-regular Mechanical Systems

*Volume 49, Issue 2 , December 2017, Pages 113-118*

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**Abstract **

Some near-regular mechanical systems involve global deviations from their corresponding regular system. Despite extensive research on vibration analysis (eigensolution) of regular and local near-regular mechanical systems, the literature on vibration analysis of global near-regular mechanical systems ...
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##### Some Properties of $(1,2)^*$-Soft\\ b-Connected Spaces

*Volume 49, Issue 2 , December 2017, Pages 119-127*

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**Abstract **

In this paper we introduce the concept of $(1,2)^*$-sb-separated sets and $(1,2)^*$-soft b-connected spaces and prove some properties related to these \break topics. Also we disscused the properties of $(1,2)^*$-soft b- compactness in soft bitopological space
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##### Group $\{1, -1, i, -i\}$ Cordial Labeling of sum of $C_n$ and $K_m$ for some $m$

*Volume 49, Issue 2 , December 2017, Pages 129-139*

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**Abstract **

Let G be a (p,q) graph and A be a group. We denote the order of an element $a \in A $ by $o(a).$ Let $ f:V(G)\rightarrow A$ be a function. For each edge $uv$ assign the label 1 if $(o(f(u)),o(f(v)))=1 $or $0$ otherwise. $f$ is called a group A Cordial labeling if $|v_f(a)-v_f(b)| \leq 1$ and $|e_f(0)- ...
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##### Normalized Tenacity and Normalized Toughness of Graphs

*Volume 49, Issue 2 , December 2017, Pages 141-159*