Results 91 to 100 of about 83,911 (252)

Compactifications of strata of differentials

Bulletin of the London Mathematical Society, Volume 57, Issue 12, Page 3621-3636, December 2025.
Abstract In this informal expository note, we quickly introduce and survey compactifications of strata of holomorphic 1‐forms on Riemann surfaces, that is, spaces of translation surfaces. In the last decade, several of these have been constructed, studied, and successfully applied to problems.
Benjamin Dozier
wiley   +1 more source

Automorphisms of graph groups

Journal of Algebra, 1989
Given a graph \(\Gamma=(V,E)\), the graph group \(F\langle\Gamma\rangle\) is the group with presentation \(\langle V\mid [E]\rangle\), where \([E]\) denotes the set of commutators \(\{[a,b]\mid\{a,b\}\in E\}\). The graph group \(F\langle\Gamma\rangle\) is modeled to be a group analog of the graph algebra K(\(\Gamma)\) generated as a free associative ...
openaire   +2 more sources

Palindromic automorphisms of free groups

Journal of Algebra, 2015
19 ...
Bardakov, Valeriy G., Gongopadhyay, Krishnendu, Singh, Mahender   +2 more
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Flag-transitive $ 2 $-designs with block size 5 and alternating groups

AIMS Mathematics
This paper contributes to the classification of flag-transitive 2-designs with block size 5. In a recent paper, the flag-transitive automorphism groups of such designs are reduced to point-primitive groups of affine type and almost simple type, and a ...
Jiaxin Shen, Yuqing Xia
doaj   +1 more source

Automorphism Properties and Classification of Adinkras

Advances in Mathematical Physics, 2015
Adinkras are graphical tools for studying off-shell representations of supersymmetry. In this paper we efficiently classify the automorphism groups of Adinkras relative to a set of local parameters.
B. L. Douglas, S. James Gates, B. L. Segler, J. B. Wang   +3 more
doaj   +1 more source

Upper bounds of orders of automorphism groups of leafless metric graphs

AKCE International Journal of Graphs and Combinatorics
We prove a tropical analogue of the theorem of Hurwitz: A leafless metric graph of genus [Formula: see text] has at most 12 automorphisms when g = 2 and [Formula: see text] automorphisms when [Formula: see text].
Yusuke Nakamura, JuAe Song
doaj   +1 more source

Automorphisms of Some Magmas of Order $k+k^2$

Известия Иркутского государственного университета: Серия "Математика", 2018
This paper is devoted to the study of automorphisms of finite magmas and to the representation of the symmetric permutation group $ S_k $ and some of its subgroups by automorphism groups of finite magmas.
A.V. Litavrin
doaj   +1 more source

Free subsemigroups in automorphism group of a polynomial ring of two variables over number fields

Karpatsʹkì Matematičnì Publìkacìï, 2013
Sufficient conditions under which the semigroup generated by two automorphism of the polynomial ring in two variables over a number field $P$ will be free are given.
Zh. I. Dovghey, M. I. Sumaryuk
doaj   +1 more source

Automorphisms of K-groups I [PDF]

Journal of Algebra, 2018
This work is a continuation of Automorphisms of $K$-groups I, P. Flavell, preprint. The main object of study is a finite $K$-group $G$ that admits an elementary abelian group $A$ acting coprimely. For certain group theoretic properties $\mathcal P$, we study the $AC_{G}(A)$-invariant $\mathcal P$-subgroups of $G$.
openaire   +3 more sources

Automorphisms of the Dihedral Groups [PDF]

Proceedings of the National Academy of Sciences, 1942
Not ...
openaire   +3 more sources