Octahedra and braids

Birger Iversen

Displaying similar documents to “Octahedra and braids”

A class of non-commutative Jordan algebra

Tsai, Chester E. (1967)

Portugaliae mathematica

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Erratum

(1993)

Compositio Mathematica

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A Determinantal Inequality in Hilbert Space.

Shen-Chi Tang (1965)

Collectanea Mathematica

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Several observations about Maneeals - a peculiar system of lines

Naga Vijay Krishna Dasari, Jakub Kabat (2016)

Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica

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For an arbitrary triangle ABC and an integer n we define points Dn, En, Fn on the sides BC, CA, AB respectively, in such a manner that |AC|n|AB|n=|CDn||BDn|,|AB|n|BC|n=|AEn||CEn|,|BC|n|AC|n=|BFn||AFn|. $\frac{{|A C|}^{n}}{{|A B|}^{n}} = \frac{|C D_{n}|}{|B D_{n}|}, \frac{{|A B|}^{n}}{{|B C|}^{n}} = \frac{|A E_{n}|}{|C E_{n}|}, \frac{{|B C|}^{n}}{{|A C|}^{n}} = \frac{|B F_{n}|}{|A F_{n}|} .$ Cevians ADn, BEn, CFn are said to be the Maneeals of order n. In this paper we discuss some properties of the Maneeals and related objects.

Bifurcation of contracting singular cycles

Rafael Labarca (1995)

Annales scientifiques de l'École Normale Supérieure

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On the existence of weak solutions for a semilinear singular hiperbolic system.

Joao-Paulo Dias, Mário Figueira (1991)

Revista Matemática de la Universidad Complutense de Madrid

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In this paper we prove the existence of a weak solution for a given semilinear singular real hyperbolic system.

Recursive method for the two dimensional finite Ising model

Benegas, Julio, Ripoll, Daniel R., Marchi, Ezio (1980)

Portugaliae mathematica

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Canonical subgroups of $H_{1} ⋊ S L (2, R)$

Filippo De Mari, Krzysztof Nowak (2002)

Bollettino dell'Unione Matematica Italiana

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We classify, up to conjugation, all subgroups of the semidirect products $H_{1} ⋊ S L (2, R)$ and $R^{2} ⋊ S L (2, R)$ . Our methods can also be applied to all Lie groups that are locally isomorphic to them.