Results 11 to 20 of about 5,391,081 (192)
Complexes and exactness of certain Artin groups [PDF]
Algebraic & Geometric Topology, 2011 In his work on the Novikov conjecture, Yu introduced Property $A$ as a readily verified criterion implying coarse embeddability. Studied subsequently as a property in its own right, Property $A$ for a discrete group is known to be equivalent to exactness of the reduced group $C^*$-algebra and to the amenability of the action of the group on its Stone ...
Niblo, Graham A., Guentner, Erik
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THE $\eltwo$-COHOMOLOGY OF ARTIN GROUPS [PDF]
Journal of the London Mathematical Society, 2003 For each Artin group we compute the reduced ℓ2-cohomology of its 'Salvetti complex'. This is a CW-complex which is conjectured to be a model for the classifying space of the Artin group. When this conjecture is known to hold our calculation describes the ℓ2-cohomology of the Artin group.
Davis, M.W., Leary, I.J.
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Results on Artin and twisted Artin groups
, 2022 Questa tesi consiste in tre capitoli principali, e tutti si evolvono intorno ai gruppi di Artin. Dimostrare risultati per tutti i gruppi di Artin è una sfida seria, quindi di solito ci si concentra su particolari sottoclassi. Tra le sottofamiglie più conosciute dei gruppi di Artin c'è la famiglia dei gruppi Artin ad angolo retto (RAAGs in breve). Si
Foniqi, Islam
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Symmetrical Subgroups of Artin Groups [PDF]
Advances in Mathematics, 2000 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Crisp, John
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Algebraic & Geometric Topology16 pages, 2 ...
Goldsborough, Antoine, Vaskou, Nicolas
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Substantial international variation in the cost of blood group and save and crossmatch: A systematic review. [PDF]
Br J HaematolSummary Blood transfusion is one of the most common interventions in hospitals. Blood tests that support this widespread practice are considered routine, such as ‘group and save’ (also known as ‘type and screen’), yet there has been very limited evaluation of the needs for these tests and the associated costs.
Fabiano G +14 more
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, 2019 Right-angled Artin groups form an interesting family of groups both from analgebraic and a topological point of view. There are a lot of well-known propertiesof right-angled Artin groups: for example they are poly-free, locallyindicable, right orderable and residually finite.
Blasco García, Rubén +2 more
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A presentation for the subgroup of compressed conjugating automorphisms of a partially commutative group [PDF]
International Journal of Group Theory, 2019 Let $G_{Gamma}$ be a partially commutative group. We find a finite presentation for the subgroup $Conjv(G_{Gamma})$ of compressed vertex conjugating automorphisms of the automorphism group $Aut(G_{Gamma})$ of $G_{G}$.
Abdulsatar AL-Juburie, Andrew Duncan
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Cohomology of Coxeter groups and Artin groups [PDF]
Mathematical Research Letters, 2000 For an irreducible Coxeter system \((W,S)\), with the group \(W\) finite, the authors construct an explicit free resolution \((C_*,\delta_*)\) of the trivial \(\mathbb{Z}[W]\)-module \(\mathbb{Z}\). In dimension \(k\), \(C_k\) is the free \(\mathbb{Z}[W]\)-module on the flags of subsets of \(S\) of cardinality \(k\). If \(n\) is the rank of \(W\), then
DE CONCINI, Corrado, SALVETTI M.
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Topological model of composite fermions in the cyclotron band generator picture: New insights
Results in Physics, 2018 A combinatorial group theory in the braid groups is correlated with the unusual “anyon” statistic of particles in 2D Hall system in the fractional quantum regime well.
Beata Staśkiewicz
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