“…The following corollary is immediate from the Theorem 3.3. Step 1: For the divisor d = 5, the 5 disjoint cycles of length 3 are (0, 5, 10, 0), (1,6,11,1) , (2,7,12,2) , (3,8,13,3) and (4,9,14,4).…”
Section: Enumeration Of Disjoint Hamilton Cycles In a Divisor Cayley mentioning
confidence: 99%
“…The cycle structure of Cayley graphs and Unitary Cayley graphs were studied by Berrizbeitia and Guidici [1,2] and Detzer and Guidici [6]. Recently Maheswari and Madhavi [8][9][10] studied the enumeration methods for finding the number of triangles and Hamilton cycles in arithmetic graphs associated with the quadratic residues modulo a prime p and the Euler totient function ϕ(n) , n ≥ 1 an integer.…”
Hamilton cycles are cycles of largest length and triangles are cycles of smallest length in a graph. In this paper an enumeration method of determining the number of disjoint Hamilton cycles in the Divisor Cayley graph associated with the arithmetical function, namely the divisor function d(n),n ≥ 1 is presented.
“…The following corollary is immediate from the Theorem 3.3. Step 1: For the divisor d = 5, the 5 disjoint cycles of length 3 are (0, 5, 10, 0), (1,6,11,1) , (2,7,12,2) , (3,8,13,3) and (4,9,14,4).…”
Section: Enumeration Of Disjoint Hamilton Cycles In a Divisor Cayley mentioning
confidence: 99%
“…The cycle structure of Cayley graphs and Unitary Cayley graphs were studied by Berrizbeitia and Guidici [1,2] and Detzer and Guidici [6]. Recently Maheswari and Madhavi [8][9][10] studied the enumeration methods for finding the number of triangles and Hamilton cycles in arithmetic graphs associated with the quadratic residues modulo a prime p and the Euler totient function ϕ(n) , n ≥ 1 an integer.…”
Hamilton cycles are cycles of largest length and triangles are cycles of smallest length in a graph. In this paper an enumeration method of determining the number of disjoint Hamilton cycles in the Divisor Cayley graph associated with the arithmetical function, namely the divisor function d(n),n ≥ 1 is presented.
“…The cycle structure of Cayley graphs associated with certain arithmetic functions were studied by Berrizbeitia and Giudici [2][3] and Dejter and Giudici [5]. Maheswari and Madhavi [7] [8] enumerated Hamilton cycles and triangles in arithmetic Cayley graphs associated with Euler totient function and quadratic residues modulo a prime.…”
Section: Introductionmentioning
confidence: 99%
“…In [2] Berrizbeitia and Giudici consider sequences of Cayley graphs ( , ) n n Cay G S satisfying the multiplicative arithmetic property, where n G is a finite abelian group and n S is a subset of where n Z is the ring of integers modulo n and n U is the multiplicative group of units modulo n . In this paper we give a formula for determining the number of triangles in a Cayley graph ( , ) G X S where X is a finite group, not necessarily abelian and S is a symmetric subset of X .…”
Significant contributions can be found on the study of the cycle structure in graphs, particularly in Cayley graphs.Determination of Hamilton cycles and triangles, the longest and shortest cycles attracts special attention. In this paper an enumeration process for the determination of number of triangles in the Cayley graph associated with a group not necessarily abelian and a symmetric subset of the group.
“…Dejter and Giudici [1], Berrizabeitia and Giudici [2] and others have studied the cycle structure of graphs associated with certain number theoretic functions. Maheswari and Madhavi [3,4] studied the Hamilton cycles and triangles of the algebraic graphs associated with Euler totient function () n 1, n an integer and quadratic residues modulo a prime .…”
In this paper we introduce and study permutation graphs of permutation groups. Basic, structural and specific properties of these graphs are investigated and characterized. Further, we obtain formulae for enumerating total number of shortest and longest cycles of permutation graphs.
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