TY - DATA AU - Birman, Joan S. AU - Gilman, Jane AU - Menasco, William W. TI - Knots, braids, and mapping class groups--papers dedicated to Joan S. Birman: proceedings of a conference on low dimensional topology in honor of Joan S. Birman's 70th birthday, March 14-15, 1998, Columbia University, New York, New York T2 - AMS/IP Studies in Advanced Mathematics, SN - 9781470438142 (online) AV - QA612.14 PY - 2001/// CY - Providence, RI PB - American Mathematical Society KW - Low dimensional topology N1 - Upper bounds for the writhing of knots and the helicity of vector fields ; The automorphism group of a free group is not subgroup separable ; Configuration spaces and braid groups on graphs in robotics ; Alternate discreteness tests ; Intersection-number operators for curves on discs and Chebyshev polynomials ; Implicit function theorem over free groups and genus problem ; On the UR - http://www.ams.org/amsip/024 ER -