University of South Alabama   Department of Mathematics & Statistics

Topology Seminar

The Topology Seminar meets in ILB 456. For more information about the seminar or to be on the email list, contact Josh Barnard.
Fall 2012 Talks
R   8/30
2:00-3:00
Dan Silver (USA)Invariants of links in thickened surfaces (abstract)
R   9/6
1:30-2:30
Susan Williams (USA)Links in thickened surfaces and virtual genus (abstract)
R   9/13
1:30-2:30
Josh Barnard (USA)The Croke-Kleiner examples (abstract)
R   9/20
1:30-2:30
Dan Silver (USA)An algebraic characterization of reducible virtual links (abstract)
R   9/27
1:30-2:30
Scott Carter (USA)Reidemeister/Roseman moves to knotted 2-foams in 4-space (abstract)
R   10/4
1:30-2:30
Scott Carter (USA)Foams and cohomology (abstract)
R   10/11
1:30-2:30
Moshe Cohen (USA) (abstract)
R   10/18
1:30-2:30
Scott Carter (USA)More on foams (abstract)
R   11/8
1:30-2:30
Dan Silver (USA)Complexity measures for 3-manifolds (abstract)
T   11/13
1:30-2:30
Stefan Friedl (University of Cologne)The virtual fibering theorem for 3-manifolds (abstract)

Spring 2012 Talks
T   3/6
3:30-4:30
Dan Silver (USA)Virtual links, groups, and virtual genus (abstract)
T   4/3
3:30-4:30
Iain Moffatt (USA)Sequences and the faces of a link diagram (abstract)

Fall 2011 Talks
M   9/12
2:30-3:20
Stavros Garoufalidis (Georgia Tech)Nahm sums and the power series limit of the colored Jones polynomial (abstract)
Th   10/13
3:30-4:30
Takefumi Nosaka (Kyoto University)On a topological interpretation of quandle cocycle invariants of classical links (abstract)
M   11/7
2:30-3:30
Allison Henrich (Seattle University)Virtual knot invariants from the Alexander biquandle: a Groebner basis approach (abstract)
M   11/14
2:30-3:30
Joanna A. Ellis-Monaghan (Saint Michael's College, Vermont)The topological Penrose polynomial (abstract)

Spring 2011 Talks
Th  4/7
3:30-4:30
Daryl Cooper (UCSB) Colloquium: The story of infinitesimals: a conspiracy of silence?
4/8 Daryl Cooper (UCSB) Finite volume projective manifolds

Fall 2010 Talks
 Fri   9/3
3:30-4:30
Joseph Maher (CUNY Staten Island) Generic properties in the mapping class group (abstract)
9/9 Dan Silver (USA) Three sides of knot coloring (abstract)
9/16 Scott Carter (USA) Cell decompositions of knot complements and presentations of π1 (abstract)
9/23 Iain Moffatt (USA) The Embedded Graphs of a Knot and the Partial Duals of a Plane Graph (abstract)
9/30 Yongju Bae (Kyungpook National University) On the Alexander polynomial of certain symmetric links (abstract)
10/7 Joanna Ellis-Monaghan (Saint Michael's College) Twisted Duality and its Applications (abstract)
10/28
1:30-2:30
Lowell Abrams (GWU) Cellular automorphisms of surfaces and self-dual embeddings (abstract)

Spring 2010 Talks
1/22 Scott Carter (USA) Categorification (Lecture 1) (abstract)
1/29 Scott Carter (USA) String diagrams for 2-categories
2/5 Dan Silver (USA) Generalized twisted Alexander polynomials (abstract)
2/12 Alissa Crans (Loyola Marymount) 2-groups, crossed modules, & 2-quandles
4/16 Sergei Chmutov (Ohio St, Mansfield) The matrix-tree theorem in knot theory (abstract)
5/17 Abhijit Champanerkar (College of Staten Island) Volume bounds for generalized twisted torus links (abstract)

Fall 2009 Talks
9/4 Scott Carter (USA) Frobenius Modules and Essential Surface Cobordisms (abstract)
9/11
9/18 Iain Moffatt Permanents and the Jones polynomial (abstract)
9/25
10/2
10/9 Dan Silver Fibered knots and zeros of twisted Alexander polynomials
10/16
10/23
10/30 Iain Moffatt Duality and medial graphs (abstract)
11/6
11/13
11/20
11/27

Spring 2009 Talks
1/16 No seminar
1/23 Scott Carter (USA) Quandles: Applications and Examples. (abstract)
1/30 Scott Carter (USA) Quandles: Applications and Examples, continued.
2/6 Scott Carter (USA) Quandles: Applications and Examples, continued.
2/13 No seminar
2/20 Josh Barnard (USA) A loop theorem/Dehn's lemma for some orbifolds. (abstract)
2/27 Kelly Delp (Buffalo State) The extent to which length of closed geodesics determines a strictly convex projective structure. (abstract)
3/6 No seminar
3/13 No seminar
3/20 No seminar (spring break)
3/27 Josh Barnard (USA) Incoherent negatively curved groups. (abstract)
4/3 Josh Barnard (USA) Super-exponential distortion in negatively curved groups. (abstract)
4/10 Dan Silver (USA) Symmetry of twisted Alexander polynomials. (abstract)

Fall 2008 Talks
8/29 Dan Silver Alexander Polynomials, Homotheties, and Twisted Invariants
9/5 Dan Silver Alexander Polynomials, Homotheties, and Twisted Invariants, cont.
9/12 Josh Barnard Tameness of surface actions on hyperbolic spaces: introduction
9/19 Josh Barnard Tameness of surface actions on hyperbolic spaces: the geometrically infinite case
9/26 Josh Barnard Distorted surfaces in hyperbolic groups
10/3 Iain Moffatt The word problem for link groups
10/10 Iain Moffatt More on the word problem and other topics
10/17
10/24 Math/Stat party 3:30-5:30 at the Intramural Pavilion
10/31 Scott Carter On Kuperberg's invariant for involutory Hopf algebras
11/7 Scott Carter On Kuperberg's invariant for involutory Hopf algebras, part 2
11/13 Noel Brady (OU) Filling invariants for groups and complexes [Colloquium]
11/14 Noel Brady (OU) Density of isoperimetric spectra
11/21 Pallavi Dani (LSU & Emory) Morse theory and conjugacy classes of finite subgroups
11/28 Thanksgiving

Click here for Seminars before Fall 2008.

Thanks to Ralf Schmidt for the page design.