Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Francis, Amanda E."'
Adinkras are highly structured graphs developed to study 1-dimensional supersymmetry algebras. A cyclic ordering of the edge colors of an Adinkra, or rainbow, determines a Riemann surface and a height function on the vertices of the Adinkra determine
Externí odkaz:
http://arxiv.org/abs/2410.11137
A spanning 2-forest separating vertices $u$ and $v$ of an undirected connected graph is a spanning forest with 2 components such that $u$ and $v$ are in distinct components. Aside from their combinatorial significance, spanning 2-forests have an impo
Externí odkaz:
http://arxiv.org/abs/1901.00053
We consider the graph $G_n$ with vertex set $V(G_n) = \{ 1, 2, \ldots, n\}$ and $\{i,j\} \in E(G_n)$ if and only if $0<|i-j| \leq 2$. We call $G_n$ the straight linear 2-tree on $n$ vertices. Using $\Delta$--Y transformations and identities for the F
Externí odkaz:
http://arxiv.org/abs/1712.05883
In this note we consider the bent linear 2-tree and provide an explicit formula for the resistance distance $r_{G_n}(1,n)$ between the first and last vertices of the graph. We call the graph $G_n$ with vertex set $V(G_n) = \{ 1, 2, \ldots, n\}$ and $
Externí odkaz:
http://arxiv.org/abs/1712.05859
We determine the commutative Schur rings over $S_6$ that contain the sum of all the transpositions in $S_6$. There are eight such types (up to conjugacy), of which four have the set of all the transpositions as a principal set of the Schur ring.
Externí odkaz:
http://arxiv.org/abs/1508.05428
Publikováno v:
In Linear Algebra and Its Applications 1 December 2020 606:41-67
Publikováno v:
In Discrete Applied Mathematics 30 September 2020 284:341-352
Publikováno v:
In Discrete Applied Mathematics 15 April 2019 258:13-34
Publikováno v:
Journal of Algebra Combinatorics Discrete Structures & Applications; 2016, Vol. 3 Issue 2, p61-80, 20p