American Mathematical Society

AMS Sectional Meeting AMS Special Session

Current as of Saturday, March 28, 2020 03:30:05

Spring Eastern Sectional Meeting

Tufts University, Medford, MA
March 21-22, 2020 (Saturday - Sunday)
Meeting #1156

Associate secretaries:

Steven H Weintraub, AMS shw2@lehigh.edu

Special Session on Automorphisms of Riemann Surfaces, Subgroups of Mapping Class Groups and Related Topics

Saturday March 21, 2020, 8:00 a.m.-10:50 a.m.
Special Session on Automorphisms of Riemann Surfaces, Subgroups of Mapping Class Groups and Related Topics, I
Room 002, Bromfield-Pearson
Organizers:
S. Allen Broughton, Rose-Hulman Institute of Technology
Jen Paulhus, Grinnell College
Aaron Wootton, University of Portland wootton@up.edu
- 8:00 a.m.
  The addition on Jacobian varieties from a geometric viewpoint.
  Tony Shaska*, Oakland University
  Yaacov Kopeliovich, University of Connecticut
  (1156-14-8)
- 8:30 a.m.
  Equivalence of Finite Group Actions on Riemann Surfaces and Algebraic Curves.
  S. Allen Broughton*, Rose-Hulman Institute of Technology
  (1156-14-148)
- 9:00 a.m.
  Topological conjugacy of group actions on surfaces via the (not-) Burnside lemma.
  Anthony Weaver*, The City University of New York
  (1156-05-121)
- 9:30 a.m.
  Extending Harvey's Surface Kernel Maps.
  Jane Gilman*, Rutgers-Newark
  (1156-20-117)
- 10:00 a.m.
  Abelian group actions on pseudo-real Riemann surfaces.
  Emilio Bujalance, Universidad Nacional de Educacion a Distancia, Madrid, Spain
  Javier Cirre*, Universidad Nacional de Eduacion a Distancia, Madrid, Spain
  Jesús Rodríguez, Universidad Nacional de Educacion a Distancia, Madrid, Spain
  (1156-30-279)
- 10:30 a.m.
  Computing, Cataloguing, and Representing Belyi Maps.
  Samuel S. Schiavone*, Massachusetts Institute of Technology
  John Voight, Dartmouth College
  Michael Musty, Cold Regions Research and Engineering Laboratory
  (1156-11-360)

Saturday March 21, 2020, 3:00 p.m.-5:50 p.m.
Special Session on Automorphisms of Riemann Surfaces, Subgroups of Mapping Class Groups and Related Topics, II
Room 002, Bromfield-Pearson
Organizers:
S. Allen Broughton, Rose-Hulman Institute of Technology
Jen Paulhus, Grinnell College
Aaron Wootton, University of Portland wootton@up.edu
- 3:00 p.m.
  On the numbers of the form $x^2 + 11y^2$.
  Gerhard Rosenberger*, Universität Hamburg
  Martin Kreuzer, University of Passau
  (1156-14-55)
- 3:30 p.m.
  Johnson morphisms: definitions and related open questions.
  Rachel Davis*, University of Wisconsin-Madison
  (1156-14-204)
- 4:00 p.m.
  One Dimensional Equisymmetric Strata in Moduli Spaces of Riemann Surfaces.
  Allen Brougnton, Rose Hulman Institute of Technology
  Antonio F. Costa*, UNED
  Milagros Izquierdo, Linköping University
  (1156-32-154)
- 4:30 p.m.
  Combinatorial Invariants of Stratified Spaces.
  Sadok Kallel*, American University of Sharjah (UAE) and University of Lille (France)
  Walid Taamallah, University of Tunis El Manar, Tunisia.
  (1156-55-40)
- 5:00 p.m.
  Extremal Riemann surfaces and their properties.
  Ewa Kozłowska-Walania*, University of Gdansk
  (1156-14-189)
- 5:30 p.m.
  Cyclic surfaces with multiple defining equations.
  Aaron D. Wootton*, University of Portland
  (1156-14-392)

Sunday March 22, 2020, 8:00 a.m.-10:50 a.m.
Special Session on Automorphisms of Riemann Surfaces, Subgroups of Mapping Class Groups and Related Topics, III
Room 002, Bromfield-Pearson
Organizers:
S. Allen Broughton, Rose-Hulman Institute of Technology
Jen Paulhus, Grinnell College
Aaron Wootton, University of Portland wootton@up.edu
- 8:00 a.m.
  Short non-separating loops on hyperbolic hyperelliptic surfaces.
  Bjoern Muetzel*, Dartmouth College, Hanover, USA
  Peter Buser, Swiss Institute of Technology in Lausanne, Switzerland
  Eran Makover, Central Connecticut State University, New Britain, USA
  (1156-51-410)
- 8:30 a.m.
  Finite groups acting with almost all signatures.
  Thomas Tucker*, Colgate University, Emeritus
  Marie Carvacho, Universidad Tecnica Federico Santa Maria, Chile
  Jennifer Paulhus, Grinnell College
  Aaron Wootton, University of Portland
  (1156-20-159)
- 9:00 a.m.
  Group actions on pseudo-real surfaces.
  Marston D E Conder*, University of Auckland, New Zealand
  (1156-20-102)
- 9:30 a.m.
  A short proof of Greenberg's Theorem.
  Gareth A. Jones*, University of Southampton
  (1156-20-32)
- 10:00 a.m.
  On Large Groups of Automorphisms of Riemann Surfaces.
  Milagros Izquierdo*, Linköping University
  Sebastián Reyes-Carocca, Universidad de la Frontera, Temuco, Chile
  (1156-14-28)
- 10:30 a.m.
  Riemann surfaces of genus $1+q^2$ with $3q^2$ automorphisms.
  Angel Carocca, Universidad de La Frontera
  Sebastián Reyes-Carocca*, Universidad de La Frontera
  (1156-14-22)

Sunday March 22, 2020, 2:00 p.m.-4:50 p.m.
Special Session on Automorphisms of Riemann Surfaces, Subgroups of Mapping Class Groups and Related Topics, IV
Room 002, Bromfield-Pearson
Organizers:
S. Allen Broughton, Rose-Hulman Institute of Technology
Jen Paulhus, Grinnell College
Aaron Wootton, University of Portland wootton@up.edu
- 2:00 p.m.
  Automorphisms of graphs and Riemann surfaces acting with fixed points.
  Alexander Mednykh*, Sobolev Institute of Mathematics, Novosibirsk State University
  (1156-53-25)
- 2:30 p.m.
  The Largest Group Actions on Riemann Surfaces of Genus g.
  Coy L. May, Towson University
  Jay Zimmerman*, Towson University
  (1156-20-168)
- 3:00 p.m.
  Geometric realization of genus three Fermat quartic as a triply periodic polyhedral surface.
  Charles Anthony Camacho, University of Washington
  Dami Lee*, University of Washington
  (1156-51-208)
- 3:30 p.m.
  Geometric Realizations of Quasiplatonic Cyclic 8-gonal Surfaces.
  Charles Anthony Camacho*, University of Washington
  Dami Lee, University of Washington
  (1156-51-209)
- 4:00 p.m.
  Trigonal Cyclic Curves: Modular Aspects.
  Emma Previato*, Boston University
  (1156-14-37)
- 4:30 p.m.
  Real-analytic sections for Teichmüller curves.
  Sudeb Mitra*, Queens College, CUNY and The Graduate Center, CUNY
  (1156-32-142)

Inquiries: meet@ams.org