Results 21 to 30 of about 8,116,433 (292)

Representation of groups by automorphisms of normal topological spaces [PDF]

open access: yesКомпьютерные исследования и моделирование, 2009
The famous fact [3, 5] of existence of an exact representation for any finite group in the form of the full automorphism group of a finite graph was generalize in [4].
A. V. Koganov
doaj   +1 more source

On graph induced symbolic systems

open access: yesApplied General Topology, 2023
In this paper, we investigate shift spaces arising from a multidimensional graph G. In particular, we investigate nonemptiness and existence of periodic points for a multidimensional shift space.
Prashant Kumar, Puneet Sharma
doaj   +1 more source

The maximal subgroups of the classical groups in dimension 13, 14 and 15 [PDF]

open access: yes, 2015
One might easily argue that the Classification of Finite Simple Groups is one of the most important theorems of group theory. Given that any finite group can be deconstructed into its simple composition factors, it is of great importance to have a ...
Schröder, Anna Katharina
core   +2 more sources

On a Sufficient Condition for the Existence of a Periodic Part in the Shunkov Group

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2017
The group $ G $ is saturated with groups from the set of groups if any a finite subgroup $ K $ of $ G $ is contained in a subgroup of $ G $, which is isomorphic to some group in $ \mathfrak{X} $.
A.A. Shlepkin
doaj   +1 more source

Coordinate finite-type submanifolds

open access: yesGeometriae Dedicata, 1991
A submanifold of a Euclidean space is called a coordinate finite-type submanifold if its coordinate functions are eigenfunctions of Δ. We prove that the compact coordinate finite-type submanifolds are minimal submanifolds of quadratic hypersurfaces of Euclidean spaces. Moreover, we classify the compact coordinate finite-type submanifolds of codimension
Hasanis, T., Vlachos, T.
openaire   +2 more sources

Intersection Types and Related Systems [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2017
We present a new approach to the following meta-problem: given a quantitative property of trees, design a type system such that the desired property for the tree generated by an infinitary ground lambda-term corresponds to some property of a derivation ...
Paweł Parys
doaj   +1 more source

Ruled surfaces of finite type [PDF]

open access: yesBulletin of the Australian Mathematical Society, 1990
We show that a ruled surface of finite type in a Euclidean space is a cylinder on a curve of finite type or a helicoid in Euclidean 3-space.
Chen, Bang-Yen   +3 more
openaire   +2 more sources

Finite Time Stability of Fractional Order Systems of Neutral Type

open access: yesFractal and Fractional, 2022
This work deals with a new finite time stability (FTS) of neutral fractional order systems with time delay (NFOTSs). In light of this, FTSs of NFOTSs are demonstrated in the literature using the Gronwall inequality.
Abdellatif Ben Makhlouf, Dumitru Baleanu
doaj   +1 more source

Words of Engel type are concise in residually finite groups [PDF]

open access: yesBulletin of Mathematical Sciences, 2019
Given a group-word w and a group G, the verbal subgroup w(G) is the one generated by all w-values in G. The word w is said to be concise if w(G) is finite whenever the set of w-values in G is finite. In 1960s, Hall asked whether every word is concise but
Eloisa Detomi   +2 more
doaj   +1 more source

Finite element multistep multideriavative schemes for parabolic equations [PDF]

open access: yes, 1976
The linear, homogeneous, parabolic equation is solved by applying finite element discretizations in space and A0 —stable, linear multistep, multiderivative (L.M.S.D.) methods in time. Such schemes are unconditionally stable. An error analysis establishes
Moore, P
core   +6 more sources

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