Results 71 to 80 of about 23,371 (295)

Irrational-slope versions of Thompson's groups $T$ and $V$ [PDF]

open access: green, 2020
José Burillo   +2 more
openalex   +1 more source

Geometric presentations for Thompson's groups

open access: yesJournal of Pure and Applied Algebra, 2005
We prove that Thompson's groups $F$ and $V$ are the geometry groups of associativity, and of associativity together with commutativity, respectively. We deduce new presentations of $F$ and $V$. These presentations lead to considering a certain subgroup of $V$ and an extension of this subgroup.
openaire   +4 more sources

Thompson’s Group and Public Key Cryptography [PDF]

open access: yes, 2005
Recently, several public key exchange protocols based on symbolic computation in non-commutative (semi)groups were proposed as a more efficient alternative to well established protocols based on numeric computation. Notably, the protocols due to Anshel-Anshel-Goldfeld and Ko-Lee et al.
Shpilrain, Vladimir, Ushakov, Alexander
openaire   +2 more sources

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Thompson's Group F

open access: yes, 2007
We introduce forest diagrams and strand diagrams for elements of Thompson's group F. A forest diagram is a pair of infinite, bounded binary forests together with an order-preserving bijection of the leaves. Using forest diagrams, we derive a simple length formula for elements of F, and we discuss applications to the geometry of the Cayley graph ...
openaire   +2 more sources

Thompson’s conjecture for alternating groups

open access: yesCommunications in Algebra, 2018
Let $G$ be a finite group, and let $N(G)$ be the set of sizes of its conjugacy classes. We show that if a finite group $G$ has trivial center and $N(G)$ equals to $N(Alt_n)$ or $N(Sym_n)$ for $n\geq 23$, then $G$ has a composition factor isomorphic to an alternating group $Alt_k$ such that $k\leq n$ and the half-interval $(k, n]$ contains no primes. As
openaire   +2 more sources

Ontogenetic changes and sexual dimorphism in the cranium and mandible of the Atlantic walrus (Odobenus rosmarus rosmarus L.)

open access: yesThe Anatomical Record, EarlyView.
Abstract Walruses have been an important subsistence and cultural resource for humans and have been exploited for millennia across their distribution. This exploitation has contributed to severe declines in several populations and local extirpations.
Katrien Dierickx   +6 more
wiley   +1 more source

Effectiveness of marital life enrichment based on Choice Theory on quality of marital relationship and couples' intimacy

open access: yesفصلنامه روان‌شناسی کاربردی, 2018
Aim: The aim of the present study was to determine the effect of marital life enrichment on the basis of choice theory, on quality of marital relationship and couples' intimacy.
نوشین فتح اله زاده   +4 more
doaj  

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