Software for braid orbit computation
- Click here to
download the tar archive of program files
Unpack with "tar xvf braid.tar". The files appear in a subdirectory
called "braid". Open a GAP window and type
Read("assemble.g").
This reads all the program files. The following paper explains
how to use the package.
-
A GAP package for braid orbit computation, and applications
by K. Magaard, S. Shpectorov and H. Voelklein,
Experimental Math. Vol. 12 (2003), No4., 385--393.
Preprints of some of my publications
-
Monodromy and Sporadic groups
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Monodromy Composition Factors among Exceptional Groups of Lie Type
(with Dan Frohardt)
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Character and Fixed point ratios in finite Classical Groups
(with David Gluck)
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On the Irreducibility of Alternating Powers and Symmetric Squares
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About a Conjecture of Guralnick and Thompson
(with Dan Frohardt)
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Maximal Fixed Point Ratios in Exceptional Groups of Lie Type
(with Dan Frohardt)
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Exceptional Theta Correspondences I
(with Gordan Savin)
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Base Sizes and Regular Orbits for Coprime Affine Permutation Groups
(with David Gluck)
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Finite Quotients of the Pure Symmplectic Braid Group
(with Karl Strambach and Helmut Voelklein)
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Affine Distance-Transitive Graphs: The Cross Characteristic Case
(with Arjeh M. Cohen and Sergey Shpectorov)
program for estimating
the number of orbits of a G-module V from below
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Irreducibility of Alternating and Symmetric Squares
(with Gunter Malle)
-
Unipotent representations of G_2 arising from the minimal
representation of D_4^E.
(with Jimg-Song Huang and Gordan Savin)
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On the minimal degree of a primitive permutation group.
(with Robert Guralnick)
-
Irreducible tensor products of representations of
finite quasi-simple groups of Lie type.
(with Pham Huu Tiep)
-
Grassmannian fixed point ratios.
(with Daniel Frohardt)
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On maximal subgroups of finite classical groups.
(with Gerhard Roehrle and Donna Testerman)
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Composition factors of monodromy groups.
(with Daniel Frohardt) pdf
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The extraspecial case of the K(GV) problem.
(with David Gluck)
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Matrix generators for the Ree groups ^2G_2(q).
(with Gregor Kemper and Frank Luebeck) pdf
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By Gregor Kemper
The Depth of Invariant Rings and Cohomology.
(with an appendix by Kay Magaard)
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Incidence matrices, permutation characters and the minimal genus of a
permutation group
(with Daniel Frohardt and Robert Guralnick)pdf
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Fixed Point Ratios in Exceptional Groups of Rank at Most Two
(with Dan Frohardt) pdf
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Genus 0 actions of groups of Lie rank 1
(with Dan Frohardt and Robert Guralnick)
pdf
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The locus of curves with prescribed automorphism group
(with Tony Shaska, Sergey Shpectorov and Helmut Voelklein)
pdf
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Cross Characteristic Representations of
Symplectic Groups and Unitary Groups (with Robert Guralnick,
Pham Huu Tiep, and Jan Saxl) pdf
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The monodromy group of a function on a general
curve (with Helmut Voelklein) pdf
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The Solution of the k(GV)-Problem
(with David Gluck, Udo Riese, and
Peter Schmid) pdf
-
Absolute Fourth Moments and Finiteness of
Linear Groups
(with David Gluck)
pdf
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On Weierstrass points of Hurwitz curves (with Helmut Voelklein)
pdf