Results 1 to 10 of about 22,596 (283)

Asymptotic distribution of fixed points of pattern-avoiding involutions [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2017
For a variety of pattern-avoiding classes, we describe the limiting distribution for the number of fixed points for involutions chosen uniformly at random from that class.
Samuel Miner   +2 more
doaj   +3 more sources

Involutions with fixed point set Dold manifold P(2,15) [PDF]

open access: yesJournal of Hebei University of Science and Technology, 2023
In order to study the equivariant cobordism classification of involutions with fixed point set Dold manifolds, for a special Dold manifold F=P(2,15), the equivariant cobordism classification of all involutions (M,T) with fixed point set was determined ...
Suqian ZHAO, Zhuolin ZHANG, Xianglin WEI
doaj   +1 more source

Enumeration of Neutrosophic Involutions over Finite Commutative Neutrosophic Rings [PDF]

open access: yesNeutrosophic Sets and Systems, 2023
A finite commutative ring involution is the multiplicative inverse of the element attribute R is the element itself. This classical characteristic of a finite commutative ring makes Neutrosophic involutions possible, which are counted, listed and ...
T. Chalapathi   +2 more
doaj   +1 more source

Postnatal Involution and Counter-Involution of the Thymus [PDF]

open access: yesFrontiers in Immunology, 2020
Thymus involution occurs in all vertebrates. It is thought to impact on immune responses in the aged, and in other clinical circumstances such as bone marrow transplantation. Determinants of thymus growth and size are beginning to be identified.
Jennifer E. Cowan   +3 more
openaire   +3 more sources

Equivalences for pattern avoiding involutions and classification [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2008
We complete the Wilf classification of signed patterns of length 5 for both signed permutations and signed involutions. New general equivalences of patterns are given which prove Jaggard's conjectures concerning involutions in the symmetric group ...
Mark Dukes   +3 more
doaj   +1 more source

Enumeration of Involutions of Finite Rings

open access: yesJournal of New Theory, 2021
In this paper, we study a special class of elements in the finite commutative rings called involutions. An involution of a ring R is an element with the property that x^2-1=0 for some x in R.
Sajana Shaık, Chalapathi Tekurı
doaj   +1 more source

On Representation Theorem for Algebras with Three Commuting Involutions [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2009
Algebras with three commuting involutions are represented as commutants of one-generated ¯ – £ – ™ subalgebras of algebras of vector-space endomorphisms where  ¯ – £ and ™ are involutions of a prefixed type.
Amir Mohammed   +2 more
doaj   +1 more source

Orientifold Calabi-Yau threefolds with divisor involutions and string landscape

open access: yesJournal of High Energy Physics, 2022
We establish an orientifold Calabi-Yau threefold database for h 1,1(X) ≤ 6 by considering non-trivial ℤ2 divisor exchange involutions, using a toric Calabi-Yau database ( www.rossealtman.com/tcy ).
Ross Altman   +3 more
doaj   +1 more source

On Generation of the Groups $SL_n(\mathbb{Z}+i\mathbb{Z})$ and $PSL_n(\mathbb{Z}+i\mathbb{Z})$ by Three Involutions, Two of Which Commute

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2022
M. C. Tamburini and P. Zucca proved that the special linear group of dimension greater than 13 over the ring of Gaussian integers is generated by three involutions, two of which commute (J. of Algebra, 1997).
R. I. Gvozdev   +2 more
doaj   +1 more source

Pfister involutions [PDF]

open access: yesProceedings Mathematical Sciences, 2003
13 pages, no figures, no ...
Bayer-Fluckiger, E.   +2 more
openaire   +3 more sources

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