Feb

20

2017

In a previous seminar, George Yancey introduced several equivalent descriptions of three dimensional lens spaces. One of these descriptions was an example of a Heegaard diagram, which is a general way of constructing 3-manifolds. In this talk, we begin with a family of group presentations and an essential spherical map into their model, and show how to construct a Heegaard diagram from this data. The model for the group presentation is the spine of the corresponding 3-manifold, and the group structure determines the geometry of the manifold.

Feb

20

2017

The characterization of hysteresis processes as a dynamical system leads to a recent application to conservation laws in 1D and to a developing project in poromechanics.

Feb

20

2017

I will discuss Bailey's Lemma, one of my favorite tools in the study of basic hypergeometric series (q-series). We give with a brief introduction to q-series and the history of Bailey's Lemma, beginning with the celebrated Rogers-Ramanujan identities. To illustrate the widespread usage of these identities, we very briefly discuss their role is solving the hard hexagonal model of statistical mechanics. We then return to the role of Bailey's Lemma is proving the Rogers-Ramanujan identities and other q-series identities.

Feb

21

2017

Feb

24

2017

Several porous media are characterized by a network of nanopores where the adsorbed fluid lies in a anomalous state subject to strong intermolecular forces with the solid particles. Among them we may highlight, shale gas, coalbed methane and swelling clays.

The lasagna dinner on Saturday, February 11th was a resounding success. Over 60 students, staff, faculty and family members were treated to an array of lasagna and other international dishes prepared for this traditional department affair.

The menu was so excellent that for one category a tie had to be broken!

Thanks go to Charles Camacho for coordinating the student effort; to the office staff, Deanne in particular, for providing the logistics; and also to the faculty that were able...

Thanks to all the participants of Math Professional Development night on Wednesday February 15, 2017. More than 30 students and faculty were present at this event which featured career-related presentations on the academic, actuarial, and industry/lab paths, CV-tuning and mock interview booths, as well as skype-visits with our alumni Timothy Costa (Intel), Sooie-Hoe Loke (CWU), Duncan McGregor (Sandia NL), F. Patricia Medina (WPI), and Adriana Mendoza (Green River College). Faculty volunteers included Profs Bokil, Higdon, Hur, Larson, Lockwood, Peszynska, Restrepo, Riverstone, Showalter, and Thomann. We'll do it again. [If you...

The 2017 Oregon Academy of Sciences meeting will take place this Saturday, 2/25, at OSU. Plenary speakers include Tevian Dray and Corinne Manogue, who will speak about "Active Engagement: Lessons learned from the Paradigms and Bridge projects." The plenary session runs from 1-2:30 PM in LInC 100.