CSU Topology-Geometry-Algebra Seminar
Fridays in Rhodes Tower 1516 at 2:30 pm
$$H^p(B;\{H^q(F;\mathcal R)\}) \Rightarrow H^{p+q}(E;\mathcal R)$$
$${\rm G}={\rm Ric} - \frac12\,\kappa\cdot g=8\pi T$$
$$H^*(\mathcal Z_K;\mathbb k) \cong {\rm Tor}^S(S/I;\mathbb k)$$
- List of Speakers for FALL Semester 2015
- 9/18 Greg Lupton, Introduction to the Hilali Conjecture
- 11/20 Greg Lupton, The Hilali Conjecture Continued
-
- List of Speakers for SPRING Semester 2015
- 1/30 John Oprea, The Eilenberg-Ganea Theorem, Projective Modules and Whitehead's Asphericity Conjecture: Part 2.
- 2/6 John Oprea, The Eilenberg-Ganea Theorem, Projective Modules and Whitehead's Asphericity Conjecture: Part 3.
- 2/13 John Oprea, The Eilenberg-Ganea Theorem, Projective Modules and Whitehead's Asphericity Conjecture: Part 4.
- 2/20 Cancelled.
- 2/27 John Oprea, The Eilenberg-Ganea Theorem, Projective Modules and Whitehead's Asphericity Conjecture: Part 5.
- 3/6 John Oprea, The Eilenberg-Ganea Theorem, Projective Modules and Whitehead's Asphericity Conjecture: Part 6.
- 3/20 Cancelled.
- 3/27 Cancelled
- 4/3 Javid Validashti, Inequalities for Multiplicities.
- 4/10 Javid Validashti, TBA
- 4/17 Greg Lupton, Topology and Social Choice.
- 4/24 COS Research Day: No Seminar.
- List of Speakers for Fall Semester 2014
- 9/5 Peter Bubenik, Representation theory and persistence modules.
- 9/12 Peter Bubenik, Representation theory and persistence modules II.
- 9/19 Cancelled.
- 9/26 Peter Bubenik, Representation theory and persistence modules III.
- 10/3 Peter Bubenik, Representation theory and persistence modules IV.
- 10/10 Peter Bubenik, Representation theory and persistence modules V.
- 10/17 Cancelled. Falling Cats.
- 10/24 Cancelled.
- 10/31 Cancelled.
- 11/7 John Oprea, The Eilenberg-Ganea Conjecture, Part 1 (To be continued in Spring 2015).
- 11/14 Greg Lupton, When is X = Baut Y ? Part 1.
- 11i/21 Greg Lupton, When is X = Baut Y ? Part 2.
- List of Speakers for SPRING Semester 2014
- 1/24 Peter Bubenik, Random graphs and simplicial complexes.
- 1/31 Mark Grant, Colloquium, Topological Complexity of Groups.
- 2/7 Canceled, Job Interview.
- 2/14 John Oprea, The Size of the Giant Component and Disease Models.
- 2/21 Peter Bubenik, Random graphs and simplicial complexes II.
- 2/28 Peter Bubenik, The structure of random 2-complexes.
- 3/7 Canceled.
- 3/21 Peter Bubenik, The structure of random 2-complexes II.
- 3/28 Canceled.
- 4/4 Science Research Day.
- 4/11 Canceled.
- List of Speakers for FALL Semester 2013
- 9/6 Jonathan Scott, Primer on \(G\)-connections.
- 9/13 Jonathan Scott, Differential forms via invariant polynomials.
- 9/20 Cancelled due to injury
- 9/27 Jonathan Scott, Characteristic Classes
- 10/4 Cancelled due to MAA meeting at CSU
- 10/11 Jonathan Scott, Principal G-Bundles and their Connections.
- 10/18 Jonathan Scott, Ehresmann vs Chern-Weil.
- 10/25 John Oprea, Presheaves and Sheaves on Manifolds.
- 11/1 Jonathan Scott, Groupoids and Simplicial Sets.
- 11/8 Jonathan Scott, Simplicial Presheaves on Manifolds.
- 11/15 Jonathan Scott, Denouement Chern-Weil.
- 11/22 Colloquium: Jim Keener, University of Utah, The Mathematics of Life: Decisions, Decisions.
- List of Speakers for SPRING Semester 2013
- 2/1 John Oprea, Finite Element Exterior Calculus: Lecture I: Finite Elements; Galerkin Maple file.
- 2/8 John Oprea, Finite Element Exterior Calculus II: Lecture II: De Rham Cohomology and Weak Solutions.
- 2/15 John Oprea, Finite Element Exterior Calculus III: Lecture III: Hodge Theory.
- 2/22 John Oprea, Finite Element Exterior Calculus IV: Lecture IV: Cochain Finite Elements, Whitney's Map and RHT.
- 3/1 John Oprea, Finite Element Exterior Calculus V: Lecture V: Canonical Minimal Models in RHT.
- 3/8 Mark Grant, University of Nottingham, Equivariant Topological Complexity.
- 3/22 Peter Bubenik, Polynomial differential forms and the Koszul complex.
- 3/29 Colloquium: Vidit Nanda, University of Pennsylvania, Reconstructing Manifolds from Data.
- 4/5 Peter Bubenik, Polynomial differential forms on the Simplex.
- 4/12 Peter Bubenik, Polynomial differential forms on the Simplex II.
- 4/19 Cancelled due to University Research Council Meeting.
- 4/26 Peter Bubenik, Polynomial differential forms on Simplicial Complexes.
- 5/3 Peter Bubenik, Polynomial differential forms on Simplicial Complexes II.
- List of Speakers for FALL Semester 2012
- 9/14 Greg Lupton, Gottlieb Groups of the Free Loop Space, Fox's Torus Homotopy Groups, and a Connection with String Topology.
- 9/21 Cancelled
- 9/28 Mesut Sahin (Cankiri Karatekin University), Toric Varieties I.
- 10/5 Mesut Sahin (Cankiri Karatekin University), Toric Varieties II.
- 10/12 Mesut Sahin (Cankiri Karatekin University), Hilbert basis of the Lipman semigroup I.
- 10/19 Mesut Sahin (Cankiri Karatekin University), Hilbert basis of the Lipman semigroup II.
- 10/26 Cancelled
- 11/2 John Oprea, On Sullivan's Proof of the Rectangle Theorem.
- 11/9 Jonathan Scott, Categorification of Persistant Homology.
- 11/16 Jonathan Scott, Categorification of Persistant Homology II.
- 11/30 Jonathan Scott, Categorification of Persistant Homology III.
- List of Speakers for SPRING Semester 2012
- 1/27 John Oprea, Introduction to Riemannian and Combinatorial Ricci Curvature.
- 2/3 John Oprea, Combinatorial Ricci Curvature as a Weitzenbock analogue.
- 2/10 John Walsh, Combinatorial Ricci Curvature: Myers's Theorem.
- 2/17 John Walsh, Combinatorial Ricci Curvature: Myers's Theorem II.
- 2/24 Giovanni Bazzoni, Instituto de Ciencias Matematicas CSIC-UAM-UC3M-UCM, Geometric Structures on Nilmanifolds.
- 3/2 Giovanni Bazzoni, Instituto de Ciencias Matematicas CSIC-UAM-UC3M-UCM, Rational Homotopy and Nilmanifolds.
- 3/9 Mark Grant, University of Nottingham, Topological complexity of groups and LS-category of homomorphisms.
- 3/23 Ivan Soprunov, Toric codes on complete intersections I.
- 3/30 No Seminar.
- 4/6 Ivan Soprunov, Toric codes on complete intersections II.
- 4/13 Ivan Soprunov, Toric codes on complete intersections III.
- 4/20 No Seminar, Science Research Day
- 4/27 Paul Schrader, Positive Combinatorial Ricci Curvature on the 2-Sphere.
- List of Speakers for FALL Semester 2011
- 9/9 Jonathan Scott, Hochschild Cohomology and Deligne's Conjecture I: What is the Shape of a Ring?
- 9/16 Jonathan Scott, Hochschild Cohomology and Deligne's Conjecture II: Algebraic structure in the Hochschild complex.
- 9/23 Jonathan Scott, Hochschild Cohomology and Deligne's Conjecture III.
- 9/30 Jonathan Scott, Hochschild Cohomology and Deligne's Conjecture IV.
- 10/7 Cancelled
- 10/14 Jonathan Scott, Hochschild Cohomology and Deligne's Conjecture V.
- 10/21 Jonathan Scott, Hochschild Cohomology and Deligne's Conjecture VI.
- 10/28 Greg Lupton, Topological Complexity I
- 11/4 Greg Lupton, Topological Complexity II
- 11/18 Greg Lupton, Topological Complexity III
- 12/2 Greg Urbanski, Simplicial Homology and Robotics
- 12/9 Greg Urbanski, A Homological Condition for Robot-Cockroach Stability
- List of Speakers for SPRING Semester 2011
- 2/11 Peter Bubenik, Discrete Morse Theory
- 2/18 Peter Bubenik, Discrete Morse Theory II
- 2/25 Canceled due to Blizzard
- 3/4 Peter Bubenik, Discrete Gradient Vector Fields
- 3/11 Peter Bubenik, Discrete Gradient Vector Fields II
- 3/25 Canceled due to Student Conference
- 4/8 Peter Bubenik, Morse Functions from Gradient Vector Fields
- 4/29 Peter Bubenik, Evasive Subcomplexes
- List of Speakers for FALL Semester 2010
- 9/17 John Oprea, Topological Complexity and Robotics
- 9/24 John Oprea, Calculating Topological Complexity
- 10/1 John Oprea, Calculating Topological Complexity II
- 10/8 John Oprea, Intro to Linkages: Moduli Spaces; the
Peaucellier Inversor.
- 11/12 John Oprea, Polygon Spaces.
- 11/19 John Oprea, An Aside on Homology.
- 12/3 John Oprea, An Aside on Morse Theory.
- 12/10 John Oprea, Morse Theory, Critical Points, Polygon Spaces
and a Theorem in Linear Algebra.
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