http://math.wvu.edu/morecolloquia
enHung Tran
http://math.wvu.edu/hung-tran_2017-4-28
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Some selection problems in the theory of viscosity solutions</p>
<p>Abstract: I will explain some interesting selection problems in nonlinear PDEs. The basic question is about how to select one good solution out of many reasonable ones. A question of this type led to the whole theory of viscosity solutions in 1980s. Then I will focus on the vanishing discount problem and describe the main results, which solve an open question also in 1980s. This is a joint work with Ishii and Mitake.</p>
<p><a href="http://uwm.edu/math/people/tran-hung/"> Hung Tran</a></p>
<p>Date: 4/28/2017<br />
Time: 3:30PM-4:30PM<br />
Place: 315 Armstrong Hall</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-4-28</div></div></div>Thu, 20 Apr 2017 21:28:37 +0000grandpoobah1210 at http://math.wvu.eduDavid Offner
http://math.wvu.edu/david-offner_2017-4-26
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Polychromatic Colorings on Hypercubes, Complete Graphs, and Integers</p>
<p>Abstract: Given a set S, and a set T of subsets of S, a coloring of the elements of S is called T -polychromatic if every set in T contains an element of every color. Let polyT (S) be the largest n for which there is a T -polychromatic coloring of S with n colors. This talk introduces theorems and open problems on the value of polyT (S) in three settings:</p>
<p>• S is the set of edges of a hypercube, and T is the set of all subgraphs isomorphic to<br />
a given graph H.<br />
• S is the set of edges of a complete graph, and T is the set of all regular spanning<br />
subgraphs of a given degree.<br />
• S is the set of integers, and T is the set of translates of a given finite set.</p>
<p><a href="https://www.westminster.edu/profile.cfm?offnerde/"> David Offner</a></p>
<p>Date: 4/26/2017<br />
Time: 3:30PM-4:30PM<br />
Place: 315 Armstrong Hall</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-4-26</div></div></div>Fri, 07 Apr 2017 19:28:43 +0000grandpoobah1199 at http://math.wvu.eduJuan Pablo Mejia-Ramos
http://math.wvu.edu/juan-pablo-mejia-ramos_2017-4-21
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Developing valid and reliable measures to assess students' comprehension of the proofs that they read</p>
<p>Abstract: In this talk I will focus on the assessment of undergraduate students' reading comprehension of mathematical proofs, discussing a research program aimed at developing and validating reliable proof comprehension tests. I will present findings on students performance on three of these tests and discuss what we can learn from using this kind of measures in the mathematics classroom and in mathematics education research.</p>
<p><a href="http://www.math.rutgers.edu/~jpmejia/">Rutgers Research Website </a></p>
<p><a href="https://www.researchgate.net/profile/Juan_Mejia_Ramos">Research Gate Profile </a></p>
<p>Date: 4/21/2017<br />
Time: 2:30PM-3:30PM<br />
Place: 315 Armstrong Hall</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-4-21</div></div></div>Tue, 18 Apr 2017 22:46:22 +0000grandpoobah1208 at http://math.wvu.eduDeborah Chun
http://math.wvu.edu/deborah-chun_2017-4-13
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Matroids and wilder things: Polymatroids and Delta-matroids</p>
<p>Abstract: Matroids will be introduced in this talk. I will give an example of a result for general matroids, which has interesting corollaries in more specialized classes of structures, like graphs. I will also discuss two generalizations of matroids. In polymatroids, I will give a conjecture from Vertigan, that, if true, has an important corollary in matroid theory. That is, it gives us Rota's conjecture. In delta-matroids, I will present a splitter theorem.</p>
<p><a href="http://community.wvu.edu/~dachun/"> Deborah Chun</a></p>
<p>Date: 4/13/2017<br />
Time: 4:00PM-5:00PM<br />
Place: 315 Armstrong Hall</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-4-13</div></div></div>Tue, 11 Apr 2017 22:00:53 +0000grandpoobah1202 at http://math.wvu.eduHiroki Matsui
http://math.wvu.edu/hiroki-matsui_colloquia-4-12-2017
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Thick subcategories of modules and characterizations of local rings</p>
<p>Abstract: <a href="/pdfs/hiroki2.pdf"> View</a></p>
<p>Date: 4/12/2017<br />
Time: 4:00PM-5:00PM<br />
Place: 313 Armstrong Hall</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-4-12</div></div></div>Tue, 11 Apr 2017 22:06:05 +0000grandpoobah1203 at http://math.wvu.eduC.F. Jeff Wu
http://math.wvu.edu/c-f-jeff-wu_colloquia-4-06-2017
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>From real world problems to esoteric research: examples and personal experience</p>
<p>Abstract: Young (and some not-so-young) researchers often wonder how to extract good research ideas and develop useful methodologies from solving real world problems. The path is rarely straightforward and its success depends on the circumstances, tenacity and luck. I will use three examples to illustrate how I trod the path. The first involved an attempt to find optimal growth conditions for nano structures. It led to the development of a new method “sequential minimum energy design (smed)”, which exploits an analogy to potential energy of charged particles. After a few years of frustrated efforts and relentless pursuit, we realized that smed is more suitable for generating samples adaptively to mimic an arbitrary distribution rather than for optimization. The main objective of the second example was to build an efficient statistical emulator based on finite element simulation results with two mesh densities in cast foundry operations. It eventually led to the development of a class of nonstationary Gaussian process models that can be used to connect simulation data of different precisions and speeds. The third example is about sequential design that works well for small samples in sensitivity testing. I will describe three major papers in a span of 30 years and how each paper had one new idea that inspired the next paper. In each example, the developed methodology has broader applications beyond the original problem. I will explain the thought process in each example. Finally, I will share some secrets about a “path to innovation”.This talk will have many illustrative examples, and should be accessible to graduate students.</p>
<p><a href="http://www2.isye.gatech.edu/~jeffwu/">C.F. Jeff Wu </a></p>
<p><a href="/pdfs/wu-flyer.pdf"> Flyer </a></p>
<p>Date: 4/06/2017<br />
Time: 3:30PM-4:30PM<br />
Place: Evansdale Crossing 414</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-4-06</div></div></div>Fri, 31 Mar 2017 17:33:14 +0000grandpoobah1187 at http://math.wvu.eduHiroki Matsui
http://math.wvu.edu/hiroki-matsui_colloquia-4-05-2017
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Thick subcategories of modules and characterizations of local rings</p>
<p>Abstract: <a href="/pdfs/hiroki.pdf"> View</a></p>
<p>Date: 4/05/2017<br />
Time: 4:00PM-5:00PM<br />
Place: 315 Armstrong Hall</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-4-05</div></div></div>Tue, 04 Apr 2017 20:38:02 +0000grandpoobah1193 at http://math.wvu.eduAnanthnarayan Hariharan
http://math.wvu.edu/ananthnarayan-hariharan_colloquia-3-28-2017
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Idealizations and Connected sums</p>
<p>Abstract: We will begin with an introduction to Gorenstein rings using partial derivatives. <br />
Two special constructions are idealizations and connected sums. <br />
The goal of this talk is to understand the connection between them.</p>
<p>This talk will have many illustrative examples, and should be accessible to graduate students.</p>
<p><a href="http://www.math.iitb.ac.in/People/homepage.php?id_teacher=ananth">Ananthnarayan Hariharan </a></p>
<p>Date: 3/28/2017<br />
Time: 4:00PM-5:00PM<br />
Place: 315 Armstrong Hall</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-3-28</div></div></div>Mon, 27 Mar 2017 06:36:56 +0000grandpoobah1182 at http://math.wvu.eduRUME Seminar
http://math.wvu.edu/rume-seminar-3-28-2017--vandieren
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Improving Student Understanding of Multivariable Calculus Concepts with CalcPlot3D</p>
<p>Dr. Monica VanDieren from Robert Morris will present.</p>
<p>Abstract: CalcPlot3D is a free, online applet which provides students opportunities to dynamically visualize and experiment with 3D transformations, rotations, and computations of multivariable calculus concepts. VanDieren is PI on a collaborative NSF Grant No. 1523786 which aims to (1) develop and test a series of new visual concept explorations and applications in CalcPlot3D; (2) expand the features of CalcPlot3D to accommodate the new concept explorations and address applications in differential equations, linear algebra, physics, and engineering; and (3) develop and test an assessment tool to measure student understanding of multivariable calculus concepts. In this presentation, she will cover some of the features of CalcPlot3D and report on preliminary research on student understanding of the cross product.</p>
<p>Date: 3/28/2017<br />
Time: 11:30AM-12:30PM<br />
Place: 315 Armstrong Hall</p>
<p><a href="http://www.rmu.edu/OnTheMove/wpPemst.show_detailed?ipeno=111842">Monica VanDieren</a></p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-3-28</div></div></div>Tue, 28 Mar 2017 06:24:22 +0000grandpoobah1184 at http://math.wvu.eduJerzy Weyman
http://math.wvu.edu/jerzy-weyman-3-16-2017
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>From quiver representations to cluster algebras</p>
<p>Weyman got his Ph.D. in Mathematics from Brandeis University in 1980. His interests include several branches of algebra: Commutative Algebra, Algebraic Geometry, Representation Theory and Invariant Theory. After working for five years at the Institute of Mathematics of the Polish Academy of Sciences, he joined the faculty of Northeastern University in Boston. Since 2013, he is Joan and Stuart Sydney Professor of Mathematics at the University of Connecticut. Professor Weyman was the recipient of the Kuratowski Prize of the Polish Mathematical Society in 1983. He was awarded the Humboldt Research Prize in 2011. He was the recipient of the 2015 Wacław Sierpiński Medal of the Polish Mathematical Society which is given out annually to recognize Polish mathematicians for their outstanding work and scientific achievements in their fields. </p>
<p>Abstract: <a href="https://math.wvu.edu/pdfs/jerzy-weyman-3-16-2017.pdf"> Pdf</a></p>
<p><a href="https://www.researchgate.net/profile/Jerzy_Weyman2">Jerzy Weyman </a></p>
<p>Date: 3/16/2017<br />
Time: 4:00PM-5:00PM<br />
Place: 315 Armstrong Hall</p>
<p>All are welcome.</p>
</div></div></div><div class="field field-name-field-date field-type-text field-label-above"><div class="field-label">Date, Location: </div><div class="field-items"><div class="field-item even">2017-3-16</div></div></div>Fri, 10 Mar 2017 10:35:08 +0000grandpoobah1172 at http://math.wvu.edu