**Volume 56 (2024)**

**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)**

#### Author = R Ponraj

Number of Articles: 21

##### 4-TOTAL MEAN CORDIAL LABELING OF SOME TREES

*Volume 56, Issue 1 , August 2024, , Pages 44-54*

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**Abstract **

Let G be a graph. Let f : V (G) → {0, 1, 2,... ,k − 1}be a function where k ∈ N and k > 1. For each edge uv, assign thelabel f (uv) = lf(u)+f(v)2m. f is called a k-total mean cordial labeling of G if |tmf (i) − tmf (j)| ≤ 1, for all i,j ∈ {0, 1, 2,... ,k − 1},where ...
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##### $4$-total mean cordial labeling of spider graph

*Volume 55, Issue 1 , June 2023, , Pages 1-9*

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**Abstract **

Let $G$ be a graph. Let $f:V\left(G\right)\rightarrow \left\{0,1,2,\ldots,k-1\right\}$ be a function where $k\in \mathbb{N}$ and $k>1$. For each edge $uv$, assign the label $f\left(uv\right)=\left\lceil \frac{f\left(u\right)+f\left(v\right)}{2}\right\rceil$. $f$ is called a $k$-total mean cordial ...
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##### Pair Difference Cordial Labeling of Double Alternate Snake Graphs

*Volume 55, Issue 1 , June 2023, , Pages 67-77*

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**Abstract **

In this paper we investigate the pair difference cordial labeling behavior of double alternate triangular snake and double alternate quadrilatral snake graphs.
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##### Pair Difference Cordial Labeling of $m-$ copies of Path, Cycle, Star, and Ladder Graphs

*Volume 54, Issue 2 , December 2022, , Pages 37-47*

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**Abstract **

In this paper, we consider only finite, undirected, and simple graphs. The concept of cordial labeling was introduced by Cahit[4]. Different types of cordial-related labeling were studied in [1, 2, 3, 5, 16]. In a similar line, the notion of pair difference cordial labeling of a graph was introduced ...
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##### Pair mean cordial labeling of graphs

*Volume 54, Issue 1 , June 2022, , Pages 1-10*

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**Abstract **

In this paper, we introduce a new graph labeling called pair mean cordial labeling of graphs. Also, we investigate the pair mean cordiality of some graphs like path, cycle, complete graph, star, wheel, ladder, and comb.
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##### $4$-total mean cordial labeling of union of some graphs with the complete bipartite graph $K_{2,n}$

*Volume 54, Issue 1 , June 2022, , Pages 35-46*

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**Abstract **

Let $G$ be a graph. Let $f:V\left(G\right)\rightarrow \left\{0,1,2,\ldots,k-1\right\}$ be a function where $k\in \mathbb{N}$ and $k>1$. For each edge $uv$, assign the label $f\left(uv\right)=\left\lceil \frac{f\left(u\right)+f\left(v\right)}{2}\right\rceil$. $f$ is called $k$-total mean cordial labeling ...
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##### Pair difference cordial labeling of planar grid and mangolian tent

*Volume 53, Issue 2 , December 2021, , Pages 47-56*

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**Abstract **

Let $G = (V, E)$ be a $(p,q)$ graph.Define \begin{equation*}\rho =\begin{cases}\frac{p}{2} ,& \text{if $p$ is even}\\\frac{p-1}{2} ,& \text{if $p$ is odd}\\\end{cases}\end{equation*}\\ and $L = \{\pm1 ,\pm2, \pm3 , \cdots ,\pm\rho\}$ called the set of labels.\noindent Consider a mapping ...
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##### $4$-total mean cordial labeling of special graphs

*Volume 53, Issue 1 , June 2021, , Pages 13-22*

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**Abstract **

Let $G$ be a graph. Let $f:V\left(G\right)\rightarrow \left\{0,1,2,\ldots,k-1\right\}$ be a function where $k\in \mathbb{N}$ and $k>1$. For each edge $uv$, assign the label $f\left(uv\right)=\left\lceil \frac{f\left(u\right)+f\left(v\right)}{2}\right\rceil$. $f$ is called $k$-total mean cordial labeling ...
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##### An Alternative Proof for a Theorem of R.L. Graham Concerning CHEBYSHEV Polynomials

*Volume 53, Issue 1 , June 2021, , Pages 117-122*

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**Abstract **

In this paper, an alternative proof is provided for a theorem of R.L.Graham concerning Chebyshev polynomials. While studying the properties of a double star, R.L.Graham [2] proved a theorem concerning Chebyshev polynomials of the first kind ${T_n (x)}$. The purpose of this paper is to provide an ...
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##### Pair Difference Cordiality of Some Snake and Butterfly Graphs

*Volume 53, Issue 1 , June 2021, , Pages 149-163*

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**Abstract **

\noindent Let $G = (V, E)$ be a $(p,q)$ graph.\\Define \begin{equation*}\rho =\begin{cases}\frac{p}{2} ,& \text{if $p$ is even}\\\frac{p-1}{2} ,& \text{if $p$ is odd}\\\end{cases}\end{equation*}\\ and $L = \{\pm1 ,\pm2, \pm3 , \cdots ,\pm\rho\}$ called the set of labels.\\\noindent Consider ...
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##### $4$-total mean cordial labeling in subdivision graphs

*Volume 52, Issue 2 , December 2020, , Pages 1-11*

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**Abstract **

Let $G$ be a graph. Let $f:V\left(G\right)\rightarrow \left\{0,1,2,\ldots,k-1\right\}$ be a function where $k\in \mathbb{N}$ and $k>1$. For each edge $uv$, assign the label $f\left(uv\right)=\left\lceil \frac{f\left(u\right)+f\left(v\right)}{2}\right\rceil$. $f$ is called $k$-total mean cordial ...
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##### PD-prime cordial labeling of graphs

*Volume 51, Issue 2 , December 2019, , Pages 1-7*

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**Abstract **

\vspace{0.2cm} Let $G$ be a graph and $f:V(G)\rightarrow \{1,2,3,.....\left|V(G)\right|\}$ be a bijection. Let $p_{uv}=f(u)f(v)$ and\\ $ d_{uv}= \begin{cases} \left[\frac{f(u)}{f(v)}\right] ~~if~~ f(u) \geq f(v)\\ \\ \left[\frac{f(v)}{f(u)}\right] ~~if~~ f(v) \geq f(u)\\ \end{cases} $\\ for all edge ...
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##### $k$-Total difference cordial graphs

*Volume 51, Issue 1 , June 2019, , Pages 121-128*

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**Abstract **

Let $G$ be a graph. Let $f:V(G)\to\{0,1,2, \ldots, k-1\}$ be a map where $k \in \mathbb{N}$ and $k>1$. For each edge $uv$, assign the label $\left|f(u)-f(v)\right|$. $f$ is called a $k$-total difference cordial labeling of $G$ if $\left|t_{df}(i)-t_{df}(j)\right|\leq 1$, $i,j \in \{0,1,2, \ldots, ...
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##### $4$-Total prime cordial labeling of some cycle related graphs

*Volume 50, issue 2 , December 2018, , Pages 49-57*

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**Abstract **

Let $G$ be a $(p,q)$ graph. Let $f:V(G)\to\{1,2, \ldots, k\}$ be a map where $k \in \mathbb{N}$ 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 $\left|t_{f}(i)-t_{f}(j)\right|\leq 1$, $i,j \in \{1,2, \cdots,k\}$ where $t_{f}(x)$ ...
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##### $k$-Total prime cordial labeling of graphs

*Volume 50, Issue 1 , June 2018, , Pages 143-149*

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**Abstract **

In this paper we introduce a new graph labeling method called $k$-Total prime cordial. Let $G$ be a $(p,q)$ graph. Let $f:V(G)\to\{1,2, \ldots, k\}$ be a map where $k \in \mathbb{N}$ and $k>1$. For each edge $uv$, assign the label $gcd(f(u),f(v))$. $f$ is called $k$-Total prime cordial labeling of ...
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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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##### Remainder Cordial Labeling of Graphs

*Volume 49, Issue 1 , June 2017, , Pages 17-30*

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**Abstract **

In this paper we introduce remainder cordial labeling of graphs. Let $G$ be a $(p,q)$ graph. Let $f:V(G)\rightarrow \{1,2,...,p\}$ be a $1-1$ map. For each edge $uv$ assign the label $r$ where $r$ is the remainder when $f(u)$ is divided by $f(v)$ or $f(v)$ is divided by $f(u)$ according as $f(u)\geq ...
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##### A note on 3-Prime cordial graphs

*Volume 48, Issue 1 , December 2016, , Pages 45-55*

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**Abstract **

Let G be a (p, q) graph. Let f : V (G) → {1, 2, . . . , k} be a map. For each edge uv, assign the label gcd (f(u), f(v)). f is called k-prime cordial labeling of G if |vf (i) − vf (j)| ≤ 1, i, j ∈ {1, 2, . . . , k} and |ef (0) − ef (1)| ≤ 1 where vf (x) denotes the number ...
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##### 4-Prime cordiality of some classes of graphs

*Volume 48, Issue 1 , December 2016, , Pages 69-79*

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**Abstract **

Let G be a (p, q) graph. Let f : V (G) → {1, 2, . . . , k} be a map. For each edge uv, assign the label gcd (f(u), f(v)). f is called k-prime cordial labeling of G if |vf (i) − vf (j)| ≤ 1, i, j ∈ {1, 2, . . . , k} and |ef (0) − ef (1)| ≤ 1 where vf (x) denotes the number ...
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##### 3-difference cordial labeling of some cycle related graphs

*Volume 47, Issue 1 , June 2016, , Pages 1-10*

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**Abstract **

Let G be a (p, q) graph. Let k be an integer with 2 ≤ k ≤ p and f from V (G) to the set {1, 2, . . . , k} be a map. For each edge uv, assign the label |f(u) − f(v)|. The function f is called a k-difference cordial labeling of G if |νf (i) − vf (j)| ≤ 1 and ...
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##### Further results on total mean cordial labeling of graphs

*Volume 46, Issue 1 , December 2015, , Pages 73-83*