Results 11 to 20 of about 1,167,226 (217)
Maximum norm a posteriori error estimation for parabolic problems using elliptic reconstructions [PDF]
, 2013 A semilinear second-order parabolic equation is considered in a regular and a singularly perturbed regime. For this equation, we give computable a posteriori error estimates in the maximum norm.
Linss, Torsten, Kopteva, Natalia
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Finite element multistep multideriavative schemes for parabolic equations [PDF]
, 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
On the minimal positive standardizer of a parabolic subgroup of an Artin–Tits group [PDF]
Journal of Algebraic Combinatorics, 2017 The minimal standardizer of a curve system on a punctured disk is the minimal positive braid that transforms it into a system formed only by round curves. We give an algorithm to compute it in a geometrical way.
M. Cumplido
semanticscholar +1 more source
Intersection of parabolic subgroups in even Artin groups of FC-type [PDF]
Proceedings of the Edinburgh Mathematical Society, 2022 We show that the intersection of parabolic subgroups of an even finitely generated FC-type Artin group is again a parabolic subgroup.
Yago Antol'in, Islam Foniqi
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Presenting parabolic subgroups [PDF]
Algebraic & Geometric Topology, 2013 15 ...
Dahmani, François, Guirardel, Vincent
openaire +5 more sources
The degenerate residual spectrum of quasi-split forms of $Spin_8$ associated to the Heisenberg parabolic subgroup [PDF]
Transactions of the American Mathematical Society, 2018 In \cite{MR3284482} and \cite{MR3658191}, the twisted standard $\mathcal{L}$-function $\mathcal{L}(s,\pi,\chi,st)$ of a cuspidal representation $ \pi$ of the exceptional group of type $G_2$ was shown to be represented by a family of new-way Rankin ...
Avner Segal
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Word problem and parabolic subgroups in Dyer groups [PDF]
Bulletin of the London Mathematical Society, 2022 One can observe that Coxeter groups and right‐angled Artin groups share the same solution to the word problem. On the other hand, in his study of reflection subgroups of Coxeter groups, Dyer introduces a family of groups, which we call Dyer groups, which
Luis Paris, Mireille Soergel
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Partial implosions and quivers
Journal of High Energy Physics, 2022 We propose magnetic quivers for partial implosion spaces. Such partial implosions involve a choice of parabolic subgroup, with the Borel subgroup corresponding to the standard implosion.
Antoine Bourget +4 more
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Parabolic subgroup orbits on finite root systems [PDF]
Journal of Pure and Applied Algebra, 2017 Oshima's Lemma describes the orbits of parabolic subgroups of irreducible finite Weyl groups on crystallographic root systems. This note generalises that result to all root systems of finite Coxeter groups, and provides a self contained proof ...
M. Dyer, G. Lehrer
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Parabolic subgroups of two‐dimensional Artin groups and systolic‐by‐function complexes [PDF]
Bulletin of the London Mathematical Society, 2021 We extend previous results by Cumplido, Martin and Vaskou on parabolic subgroups of large‐type Artin groups to a broader family of two‐dimensional Artin groups. In particular, we prove that an arbitrary intersection of parabolic subgroups of a (2,2)‐free
Martín Blufstein
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