293 citations
- Freie Universität BerlinDE24 papers
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- Max Planck Institute for Gravitational PhysicsDE2 papers
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Showing 2007Show all
2 papers · 1 filter
math.CO2007★ 3 cited
Permutahedra and generalized associahedra
Christophe Hohlweg, Carsten Lange, Hugh Thomas
Given a finite Coxeter system and a Coxeter element , we construct a simple polytope whose outer normal fan is N. Reading's Cambrian fan , settling a conjecture of…
math.AP2007
Regularity and index theory for Dirac-Schrödinger systems with Lipschitz coefficients
Werner Ballmann, Jochen Brüning, Gilles Carron
Dirac-Schrödinger systems play a central role when modeling Dirac bundles and Dirac-Schrödinger operators near the boundary, along ends or near other singularities of Riemannian ma…