Oriented Matroids
THE COMPLETE GRAPH WITH 12 VERTICES ON A SURFACE OF GENUS 6
Adjacent curves at a point together with the connection of its
endpoints form triangles all of which form the 2-manifold. Foto of
N.Haehn, Wiesbaden, Design: J.Bokowski
For more information see
On the Generation of Oriented Matroids
(Discrete Comp. Geometry 2000, special volume on the occassion
of Branko Gruenbaum's 70th birthday)
Software from Darmstadt on oriented matroids
- omawin
- extensions
- chiman (chirotope manipulator, available under request, bokowski@mathematik.tu-darmstadt.de)
Recent Postscript Files
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Pottery exhibition on the theory of oriented matroids,
J.Bokowski
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Effective methods in computational
synthetic geometry, J.Bokowski
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The Folkman Lawrence Theorem of Oriented Matroids, an
elemantary proof in the rank 3 case, J.Bokowski, S.Mock, and I.Streinu
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On the Generation of Oriented Matroids, J.Bokowski and A.Guedes
de Oliveira
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On a mutation problem of oriented matroids, J.Bokowski and
H.Rohlfs
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On a self dual 3-sphere of Peter McMullen, J.Bokowski, P.Cara, and S.Mock
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last update: Oct. 4, 2000