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pro vyhledávání: '"Hellström, Lars"'
The purpose of this paper is to discuss the universal algebra theory of hom-algebras. This kind of algebra involves a linear map which twists the usual identities. We focus on hom-associative algebras and hom-Lie algebras for which we review the main
Externí odkaz:
http://arxiv.org/abs/1404.2516
Autor:
Hellström, Lars
The main result in this thesis is the generalisation of Bergman's diamond lemma for ring theory to power series rings. This generalisation makes it possible to treat problems in which there arise infinite descending chains. Several results in the lit
Externí odkaz:
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-92
Autor:
Hellström, Lars Gösta
Publikováno v:
Abstract.
Diss. (sammanfattning) Stockholm : Karol. inst., 2002.
Härtill 7 uppsatser.
Härtill 7 uppsatser.
Externí odkaz:
http://diss.kib.ki.se/2002/91-7349-272-8
Autor:
Hellström, Lars
A theory is developed which uses "networks" (directed acyclic graphs with some extra structure) as a formalism for expressions in multilinear algebra. It is shown that this formalism is valid for arbitrary PROPs (short for 'PROducts and Permutations
Externí odkaz:
http://arxiv.org/abs/1204.2421
Publikováno v:
The American Naturalist, 2018 Jul 01. 192(1), E37-E47.
Externí odkaz:
https://www.jstor.org/stable/26522711
Autor:
Hellström, Lars
This paper gives a generic form of the diamond lemma, which includes support for additive and topological structures of the base set, and which does not require any further structure (e.g. an associative multiplication operation) to be present. This
Externí odkaz:
http://arxiv.org/abs/0712.1142
Autor:
Hellström, Lars
Publikováno v:
Mathematical Software – ICMS 2020
It is observed that some OpenMath objects may benefit from containing comments. A content dictionary with suitable attribution symbols is proposed. This content dictionary also provides application symbols for constructing comments that are somewhat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmc_________::e3469fd1cd426277468dcce58f0ac599
http://europepmc.org/articles/PMC7340965
http://europepmc.org/articles/PMC7340965
Publikováno v:
In Advances in Applied Mathematics 2007 39(4):428-452
Autor:
Hellström, Lars, Silvestrov, Sergei D.
Publikováno v:
In Journal of Algebra 2007 314(1):17-41
Autor:
Hellström, Lars, Silvestrov, Sergei *
Publikováno v:
In Expositiones Mathematicae 2005 23(2):99-125