Results 31 to 40 of about 298 (62)

Totally positive matrices and dilogarithm identities

open access: yes, 2018
We show that two involutions on the variety $N_n^+$ of upper triangular totally positive matrices are related, on the one hand, to the tetrahedron equation and, on the other hand, to the action of the symmetric group $S_3$ on some subvariety of $N_n ...
Bytsko, Andrei, Volkov, Alexander
core   +1 more source

Multiquadratic fields generated by characters of $A_n$

open access: yes, 2019
For a finite group $G$, let $K(G)$ denote the field generated over $\mathbb{Q}$ by its character values. For $n>24$, G. R. Robinson and J. G. Thompson proved that $$K(A_n)=\mathbb{Q}\left (\{ \sqrt{p^*} \ : \ p\leq n \ {\text{ an odd prime with } p\neq n-
Dawsey, Madeline Locus   +2 more
core  

On the connectivity of proper power graphs of finite groups [PDF]

open access: yes, 2014
We study the connectivity of proper power graphs of some family of finite groups including nilpotent groups, groups with a non-trivial partition, and symmetric and alternating groups.Comment: 13 ...
Doostabadi, Alireza   +1 more
core  

Persistent dyskinesias in patients with fetal tissue transplantation for Parkinson disease. [PDF]

open access: yesNPJ Parkinsons Dis, 2021
Greene PE   +5 more
europepmc   +1 more source

Palindromic permutations and generalized Smarandache palindromic permutations

open access: yes, 2006
The idea of left(right) palindromic permutations(LPPs,RPPs) and left(right) generalized Smarandache palindromic permutations(LGSPPs,RGSPPs) are introduced in symmetric groups S_n of degree n.
Jaiyeola, Temitope Gbolahan
core   +3 more sources

Blocks in cycles and k-commuting permutations. [PDF]

open access: yesSpringerplus, 2016
Moreno R, Rivera LM.
europepmc   +1 more source

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