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Graduate Student Colloquium

Library Talk Series

"Guides for Queer Folks: Travel Guides, Maps, and Materiality"

Borrowing from scholarship in map studies, critical cartography, queer media studies. and critical bibliography, this talk examines the utility of queer geographic information as expressed through its materiality. Through an examination of queer spatial information from the 1930s to the mid-2000s—primarily travel guides and maps but also magazines, postcards, and advertising—this talk explores two main arguments. Firstly, that the physical arrangement of queer spatial media and the work individuals undertook to collect, circulate, protect, and keep up to date this information in the pre-digital era reveals this information's politics and perils. Secondly, the presentation argues that to understand these social currents there is a need for renewed attention to physical media and physical interaction during the archival research process. The talk concludes by examining the presenters’ efforts in developing an archival collection of queer spatial information.

Jack Swab, University of Kentucky

 

Date:
Location:
The Great Hall, Special Collections Research Center
Type of Event (for grouping events):

Graduate Student Colloquium

Title: Riemann-Like, Super-Lebesgue

Abstract: The gauge integral is a slight modification of the definition of the Riemann integral that addresses some deficiencies in the Riemann and Lebesgue integrals. We define and examine some examples of gauge integration, and illustrate some of its advantages over the Riemann and Lebesgue integrals.

Date:
-
Location:
745 Patterson Office Tower
Type of Event (for grouping events):

Graduate Student Colloquium

Title: Mathematicians Have Always Been... Interesting

Abstract: Have you ever looked around a room of mathematicians and thought, "Wow, what a collection of people!"? And what about math itself? There are scores of strange things that come up all the time. It turns out that neither of these phenomena is a new development; there are many obscure (and not so obscure) historical examples of intriguing mathematicians who came up with weird math. In this lighthearted trip through the last 3000 years, we will explore and appreciate some of these accomplishments.

Date:
-
Location:
745 Patterson Office Tower
Type of Event (for grouping events):

Graduate Student Colloquium

Title: Introduction to Quantum Computing

Abstract: This talk will be about basic notions in Quantum Computing such as quantum bits, quantum gates, entanglement, and measurements. I will describe and discuss Quantum Teleportation, and if time permits, I will give a short overview on Quantum Error-Correction.

Date:
-
Location:
745 Patterson Office Tower
Type of Event (for grouping events):

Graduate Student Colloquium

Title: Just your average American: How NPR inspired me to learn about Orbifolds

Abstract:   First introduced by Satake as V-manifolds, Orbifolds, are generalizations of manifolds and can be thought of as a quotient space with isolated singularities. Orbifolds are found in many areas of mathematics including geometry, topology, music theory, and string theory. In this talk, we will build up to and introduce orbifolds, discuss some examples, and explore the juicy history of pinball. 

P.S. - If you would like to read about how the name came to be, it is quite entertaining: 

"The origin of the word “orbifold”: the true story. Near the beginning of his graduate course in 1976, Bill Thurston wanted to introduce a word to replace Satake’s “V-manifold” from [12]. His first choice was “manifolded”. This turned out not to work for talking - the word could not be distinguished from “manifold”. His next idea was “foldimani”. People didn’t like this. So Bill said we would have an election after people made various suggestions for a new name for this concept. Chuck Giffen suggested “origam”, Dennis Sullivan “spatial dollop” and Bill Browder “orbifold”. There were many other suggestions. 5 The election had several rounds with the names having the lowest number of votes being eliminated. Finally, there were only 4 names left, origam, orbifold, foldimani and one other (maybe “V-manifold”). After the next round of voting “orbifold” and the other name were to be eliminated. At this point, I spoke up and said something like “Wait you can’t eliminate orbifold because the other two names are ridiculous.” So “orbifold” was left on the list. After my impassioned speech, it won easily in the next round of voting."

- From Lectures of Orbifolds and Reflection groups by Michael W. Davis

 

As always, pizza will be there at 4 and the talk will start at 4:15. 

 

Date:
-
Location:
337 White Hall Classroom Building
Type of Event (for grouping events):

Graduate Student Colloquium

Title:    Non-Vanishing Homology of the Matching Complex

Abstract:     A matching on a graph G is any subgraph where the maximum vertex degree is 1.  Since edge-deletion preserves the property of being a matching, the set of all matchings on G forms a simplicial complex M(G).  We will survey results on the lowest non-vanishing homology group for M(K_n) and, time permitting, discuss the extension of these results to more general graphs.  ​This is a practice talk for my qualifying exam, but no prior familiarity with simplicial complexes nor homology is assumed.

 

Pizza at 4:00 p.m., talk at 4:15 p.m.

Date:
-
Location:
745 Patterson Office Tower
Type of Event (for grouping events):

Graduate Student Colloquium

Title:  Derangements, discrete Morse theory, and the homology of the boolean complex

Abstract:  The boolean complex is a construction associated to finite simple graphs. We summarize a matching which shows that this complex is homotopy equivalent to a wedge of spheres, and the number of these spheres is related to the boolean number, a graph invariant. To better understand this structure, we use a correspondence between derangements and basis elements and compute the homology of the boolean complex for several specific examples. A basic knowledge of discrete Morse theory may be helpful but is not necessary.

 

Pizza at 4:00 p.m., talk at 4:15 p.m.

Date:
-
Location:
745 Patterson Office Tower
Type of Event (for grouping events):

Graduate Student Colloquium

Title:  An Introduction to Differential Forms

Abstract:  The theory of differential forms is a beautiful subject that has particular importance in geometry, topology and physics.  Our focus will be on how differential forms provide a better approach to multi-variable calculus.  Specifically, we will see that many ostensibly unrelated results are unified using differential forms.  Time permitted, we will introduce de Rham cohomology, a cohomology theory based on differential forms.

Date:
-
Location:
745 Patterson Office Tower
Type of Event (for grouping events):

Graduate Student Colloquium

Title:  Gauss's Golden Theorem (Quadratic reciprocity)

Abstract:  For which odd primes is the congruence $x^2\equiv 0 \mod p$ soluble? The quadratic reciprocity is a marvelous theorem in number theory that deals with this question. We will present examples and a proof of the quadratic residue law (Time permitting).

Date:
-
Location:
745 Patterson Office Tower
Type of Event (for grouping events):
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