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AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:21:28


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2001 Spring Western Section Meeting
Las Vegas, NV, April 21-22, 2001
Meeting #965

Associate secretaries:
Bernard Russo, AMS brusso@math.uci.edu

Special Session on Physical Knotting and Unknotting

  • Saturday April 21, 2001, 8:00 a.m.-10:50 a.m.
    Special Session on Physical Knotting and Unknotting, I

    Room 215, Classroom Building Complex C, Classroom Building Complex C
    Organizers:
    Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.edu
    Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
    Eric J. Rawdon, Chatham College rawdon@chatham.edu

    • 8:00 a.m.
      Upper Bounds on Linking Numbers of Thick Links.
      Yuanan Diao*, UNC Charlotte
      Claus Ernst, Western Kentucky Univ.
      Jance Van E Rensburg, York University
      (965-57-33)
    • 8:30 a.m.
      On the gyration radius of random knots and its critical exponent.
      Tetsuo Deguchi*, Department of Physics, Faculty of Science, and Graduate School of Humanities and Sciences, Ochanomizu University
      Miyuki K Shimamura, Department of Physics, Faculty of Science, and Graduate School of Humanities and Sciences, Ochanomizu University
      (965-65-68)
    • 9:00 a.m.
      Optimal shapes of elastic filaments with finite thickness.
      Oscar Gonzalez*, University of Texas, Austin
      (965-74-167)
    • 9:30 a.m.
      Localization of breakage points in knotted strings.
      Piotr Pieranski, Poznan University of Technology
      Sandor Kasas, University of Lausanne
      Giovanni Dietler*, University of Lausanne
      Jacques Dubochet, University of Lausanne
      Andrzej Stasiak, University of Lausanne
      (965-74-67)
    • 10:00 a.m.
      Predicting Optimal Lengths of Random Knots.
      Akos Dobay, University of Lausanne/Laboratory of Ultrastructural Analysis
      Pierre-Edouard Sottas, Swiss Federal Institute of Technology/Center for Neuromimetic Systems
      Jacques Dubochet, University of Lausanne/Laboratory of Ultrastructural Analysis
      Andrzej Stasiak*, University of Lausanne/Laboratory of Ultrastructural Analysis
      (965-92-101)
    • 10:30 a.m.
      Ideal trefoil knot.
      Piotr Pieranski*, Poznan University of Technology
      Sylwester Przybyl, Poznan University of Technology
      (965-51-177)
  • Saturday April 21, 2001, 3:00 p.m.-6:20 p.m.
    Special Session on Physical Knotting and Unknotting, II

    Room 215, Classroom Building Complex C, Classroom Building Complex C
    Organizers:
    Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.edu
    Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
    Eric J. Rawdon, Chatham College rawdon@chatham.edu

    • 3:00 p.m.
      Infinitesimally Locked Linkages with Applications to Locked Trees.
      Robert Connelly, Cornell University
      Erik D Demaine*, University of Waterloo
      G\"unter Rote, Freie Universit\"at Berlin
      (965-51-168)
    • 3:30 p.m.
      Two recent results on flipping and flipturns.
      Pat Morin*, McGill University
      (965-51-183)
    • 4:00 p.m.
      Convexifying Polygons in 3D: A Survey.
      Michael Soss, McGill University
      Godfried T Toussaint*, McGill University
      (965-51-108)
    • 4:30 p.m.
      Knotting in Adsorbing Lattice polygons.
      Buks Janse van Rensburg*, Mathematics and Statistics, York University
      (965-82-118)
    • 5:00 p.m.
      Examples of Lattice Links and Knots.
      Claus Ernst*, Western Kentucky University
      Marnie Phipps, University of Northern Colorado
      Jance Van E Rensburg, York University
      (965-54-52)
    • 5:30 p.m.
      On the classification of rational knots.
      Sofia Lambropoulou*, National Technical University of Athens
      Louis H Kauffman, University of Illinois at Chicago
      (965-57-176)
    • 6:00 p.m.
      Biologic, Tangles and DNA.
      Louis H. Kauffman*, UIC
      Sofia Lambropoulou, National Techinical University at Athens, Greece
      (965-57-96)
  • Sunday April 22, 2001, 8:00 a.m.-10:50 a.m.
    Special Session on Physical Knotting and Unknotting, III

    Room 215, Classroom Building Complex C, Classroom Building Complex C
    Organizers:
    Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.edu
    Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
    Eric J. Rawdon, Chatham College rawdon@chatham.edu

    • 8:00 a.m.
      Untangling some spheres in $R^4$ by energy minimizing flow.
      Dennis M Roseman*, University of Iowa
      (965-58-200)
    • 8:30 a.m.
      The Second Hull of a Knotted Curve.
      John M Sullivan*, Univ of Illinois
      Jason Cantarella, Univ of Georgia
      Rob Kusner, UMass/Amherst
      Greg Kuperberg, UC Davis
      (965-51-49)
    • 9:00 a.m.
      Energy of knots and the infinitesimal cross-ratio.
      Jun O'Hara*, Dept. of Maht., Tokyo Metropolitan University
      (965-57-137)
    • 9:30 a.m.
      Most knot energies are minimized by circles.
      Aaron Abrams, University of Georgia
      Jason Cantarella*, University of Georgia
      Joe Fu, University of Georgia
      Mohammad Ghomi, University of South Carolina
      Ralph Howard, University of South Carolina
      (965-53-181)
    • 10:00 a.m.
      On ropelength, thickness and conformal moduli of knots and links.
      Robert B Kusner*, University of Massachusetts
      (965-57-90)
    • 10:30 a.m.
      Characterizing Polygons with a Small Number of Edges in $ \mathbb{R}^3 $.
      Jorge Alberto Calvo*, North Dakota State University
      (965-57-140)
  • Sunday April 22, 2001, 3:00 p.m.-5:20 p.m.
    Special Session on Physical Knotting and Unknotting, IV

    Room 215, Classroom Building Complex C, Classroom Building Complex C
    Organizers:
    Jorge Alberto Calvo, North Dakota State University jorge_calvo@ndsu.nodak.edu
    Kenneth C. Millett, University of California Santa Barbara millett@math.ucsb.edu
    Eric J. Rawdon, Chatham College rawdon@chatham.edu

    • 3:00 p.m.
      Calculating in the space of knots or links.
      Richard Randell*, University of Iowa
      (965-57-135)
    • 3:30 p.m.
      Investigations of Polygonal Knot Space and Ideal Physical Knot Configurations.
      Kenneth C Millett*, University of California, Santa Barbara
      (965-57-203)
    • 4:00 p.m.
      A spectrum for natural knotting?
      Gregory R Buck*, Saint Anselm College
      Robert G Scharein, University of British Columbia
      (965-82-166)
    • 4:30 p.m.
      Hyperbolic reflections of polygonal knots.
      Richard Randell, University of Iowa
      Jonathan Simon*, University of Iowa
      Joshua Tokle, University of Iowa
      (965-57-186)
    • 5:00 p.m.
      Inscribing Smooth Knots in Polygonal Knots to Determine Minimal Ropelength.
      Eric J Rawdon*, Chatham College
      (965-57-159)
Inquiries:  meet@ams.org


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