This Week in Mathematics

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Entries for this week: 14
Monday September 15, 2014

Modeling fluid flows in geophysics [url]
How bodies erode and dissolve in fluid flows
    - Nick Moore, FSU
Time: 3:00 Room: GFDI
Abstract/Desc: Note the special time and location.

Biomathematics Journals
A Model of Threshold Behavior Reveals Rescue Mechanisms of Bystander Proteins in Conformational Diseases
    - Richard Bertram, FSU
Time: 7:00 Room: Strozier Library

Game Theory & Social Complexity Seminar [url]
Modeling Spatial and Temporal Decision Making in Male African Elephants Using Coupled Payoff Matrices
    - Max Wyse, Department of Mathematics, FSU
Time: 3:35 pm Room: 200 LOV

Brain Mapping Seminar [url]
Neuroimaging Basics
    - Monica Hurdal, Mathematics,FSU
Time: 11:00 Room: LOV 002A

Tuesday September 16, 2014

Shape of Data [url]
The Shape of Data
    - G. Carlsson (via video), Stanford
Time: 3:35 pm Room: LOV 200
More Information
Abstract/Desc: The seminar will discuss Gunnar Carlsson's talk on the Shape of Data. Discussant: Yahya Almalki. URL for remote attendance: https://global.gotomeeting.com/join/436360493

Applied PDE Seminar [url]
Regularity and global structure of certain fluid models
    - Yinchuan Zhao, North China Electric Power University and FSU
Time: 3:35-4:30 Room: LOV104
Abstract/Desc: We are concerned with the regularity and global structure of solutions to the Cauchy problem of some equations of flow. We prove that the solutions are piecewise C^k smooth if the initial data do not belong to a certain subset of C^k, which is of the first category. We also prove that there exists a one-to-one correspondence between the path connected components of the singularity points of the solutions and that of the set on which the initial function does not attain its minimum.

Graduate Student Seminar
Fractal dimensions, Furstenberg type sets, and finite fields
    - Michael Roy, FSU
Time: 2 PM Room: LOV 200
Abstract/Desc: I'll discuss various notions of dimension for irregular sets in R^n, with a particular focus on Furstenberg type sets (sets which contain a fractional dimensional subset of a line segment going in each direction). Then I'll talk about how these sorts of questions can be rephrased so that they can be studied in the simpler model of finite field geometry.

Topology seminar
Diversified homotopic behavior of closed orbits of some R-covered Anosov flows
    - Sergio Fenley, FSU
Time: 3:35pm Room: 201 Love
Abstract/Desc: We show that if Phi is an R-covered Anosov flow in a closed hyperbolic 3-manifold, then every closed orbit of Phi is freely homotopic to infinitely many other closed orbits of Phi. This is connected with the quasi geodesic property for the orbits of the flow.

Wednesday September 17, 2014

Departmental Tea Time
C is for cookie, and shorthand for C[0,1] w/the sup norm
Time: 3: Room: 204 LOV

Probability [url]
An Introduction to the Stochastic Heat Equation
    - Toni Wills,
Time: 3:35 Room: 104

Biomathematics Seminar [url]
Why Do Insulin Levels Oscillate?
    - Richard Bertram, Florida State University
Time: 3:35pm Room: 200 LOV
More Information

Thursday September 18, 2014

Financial Math Seminar
A mean-seeking interest rate hedging strategy
    - David Mandel, FSU
Time: 3:35 pm Room: 201 LOV

Algebra and its Applications
Multiextensions and the cohomology of rings (Part III)
    - Ettore Aldrovandi, FSU
Time: 3:35 PM Room: 104
Abstract/Desc: In the context of abelian groups, multiextensions are to multilinear maps what extensions are to homomorphisms. Multiextensions can be defined for categories and stacks, where they classify functors which are additive in each variable. Applications and motivations stem from the problem of describing various kinds of categorical rings and the cohomology theories that arise as their characteristic classes, such as those of Hochschild and Mac Lane. In this part we'll look at how categorical rings realize MacLane cohomology classes. Then we'll introduce multiextensions and show how they help efficiently package the notion of categorical ring. Finally we show how this allows to quickly recover the ring cohomology theories previously examined.

Friday September 19, 2014

Colloquium Tea
Time: 3:00 pm Room: 204 LOV

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