Results 61 to 70 of about 122 (118)

The unitary Cayley graph of a semiring

open access: yesDiscrete Mathematics
We study the unitary Cayley graph of a matrix semiring. We find bounds for its diameter, clique number and independence number, and determine its girth. We also find the relationship between the diameter and the clique number of a unitary Cayley graph of a semiring $S$ and a matrix semiring over $S$.
openaire   +3 more sources

Grover walks on unitary Cayley graphs and integral regular graphs

open access: yes
The unitary Cayley graph has vertex set $\{0,1, \hdots ,n-1\}$, where two vertices $u$ and $v$ are adjacent if $\gcd(u - v, n) = 1$. In this paper, we study periodicity and perfect state transfer of Grover walks on the unitary Cayley graphs. We characterize all periodic unitary Cayley graphs.
Bhakta, Koushik, Bhattacharjya, Bikash
openaire   +2 more sources

Path-sum solution of the Weyl quantum walk in 3 + 1 dimensions. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2017
D'Ariano GM   +3 more
europepmc   +1 more source

Groups graded by root systems and property (T). [PDF]

open access: yesProc Natl Acad Sci U S A, 2014
Ershov M   +3 more
europepmc   +1 more source

Finite simple groups as expanders. [PDF]

open access: yesProc Natl Acad Sci U S A, 2006
Kassabov M, Lubotzky A, Nikolov N.
europepmc   +1 more source

Digital simulation of zero-temperature spontaneous symmetry breaking in a superconducting lattice processor. [PDF]

open access: yesNat Commun
Hu CK   +13 more
europepmc   +1 more source

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