Results 51 to 60 of about 298 (62)

Saturation Index of π(D(r,s))

, 2015
- Adin and Roichman [1] introduced the concept of permutation graphs and Peter Keevash, Po-Shen Loh and Benny Sudakov [2] identified some permutation graphs with maximum number of edges.
J. Chithra, S. Subbiah, V. Swaminathan
semanticscholar   +1 more source

More Combinatorics of Fulton's Essential Set

, 2013
We develop combinatorics of Fulton’s essential set particularly with a connection to Baxter permutations. For this purpose, we introduce a new idea: dual essential sets.
Masato Kobayashi
semanticscholar   +1 more source

DNA Computing Models.Springer. 2008. Domination in Permutation Graphs

, 2014
- If i, j belongs to a permutation on n symbols {1, 2, …, p} and i is less than j then there is an edge between i and j in the permutation graph if i appears after j. (i. e) inverse of i is greater than the inverse of j. So the line of i crosses the line
J.Chithra, S.P.Subbiah, V.Swaminathan, Peter Keevash, Po-Shen Loh, Benny Sudakov   +5 more
semanticscholar   +1 more source

Rank and subdegrees of the symmetric group, Sn, n \leq 7 acting on ordered triples

, 2014
The main aim of this paper is to determine the ranks and subdegrees of the symmetric group Sn acting on X , the set of all ordered triples from the set X = {1, 2, · · · , 7}. We show that Sn acts transitively on X.
Leonard Siro, Damian Muindi Maingi, N. KamutiIreri, J. Njoroge   +3 more
semanticscholar   +1 more source

Une Nouvelle Transformation pour les Statistiques Euler—Mahoniennes Ensemblistes

, 2004
The construction of a bijection of the symmetric group onto itself is given that has the property of mapping a pair of set-statistics onto another pair. As a consequence, it is shown that a pair of Euler– Mahonian statistics has a symmetric distribution.
D. Foata, G. Han
semanticscholar   +1 more source

THE CENTER OF Z[5„+1] IS THE SET OF SYMMETRIC POLYNOMIALS IN n COMMUTING TRANSPOSITION-SUMS

, 2010
Let S„+i be the symmetric group on the n + 1 symbols 0, 1,2, ... ,n . We show that the center of the group-ring Z[5'„+1] coincides with the set of symmetric polynomials with integral coefficients in the n elements S\.sn 6 Z[S„+,], where sk ...
G. Moran
semanticscholar   +1 more source

The Finite Primitive Permutation Groups Containing an Abelian Regular Subgroup

, 2003
Caiheng Li
semanticscholar   +1 more source

Partition Complexes, Tits Buildings and Symmetric Products

, 2001
G. Arone, W. Dwyer
semanticscholar   +1 more source

Partition Actions of Symmetric Groups and Regular Bipartite Graphs

, 2006
J. James
semanticscholar   +1 more source

Ubiquity of Free Subgroups

, 2003
P. Gartside, R. Knight
semanticscholar   +1 more source