Penn Undergraduate Math Society

"To Promote Scholarship and Mathematics"

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Fall 2011

Talk by Dr. Michael Robinson of the Math Department on Tuesday, October 25th from 5:30-7pm in room 3C6.

Title: Shoestring acoustic imaging
Smartphones are essentially pocket-sized computers. With their built-in sound support, they can be turned into active and passive sonar transceivers. With a little mathematical knowledge, which I'll present, you can build acoustic maps of your environment. I'll show how this works with some interactive demonstrations! All of this is essentially "old news" for the signal processing community. I'll explain how the signal processing landscape is starting to change, and how some new methods in topological processing are opening the door to substantially more flexible sonar systems.

Images from left to right: programmable acoustic transmitter, acoustic signal strength as a function of position, when there is no obstacles, acoustic signal strength as a function of position, when there is an obstacle; effects of specular reflection and diffraction can be seen.
The Penn Undergraduate Math Society cordially invites you to a Math Mixer, on Thursday, October 13, 5:30 p.m. in the Math Faculty Lounge (4E17 DRL). Come join your fellow classmates, graduate students and faculty at an informal get together with pizza and soda. This is a great chance to get to know your peers and professors, to ask questions and to simply have an enjoyable time.

1/20: First general meeting.
1/27: Actuarial info presentation from Watson Wyatt, cosponsored with Gamma Iota Sigma.
2/2: First undergraduate colloquium, by Prof. Robin Pemantle: "Stochastic Social Networks and the Case of the Nonconvergent Data."
2/2: "Arithmetic with Continued Fractions," by Mark Jason Dominus of Plover Systems, cosponsored with the Dining Philosophers.
2/9: Second general meeting.
2/14: "Exotic geometries," a talk by Shirley Yap.
2/15: Third coffee night with Prof. Herman Gluck at Bubble House.
3/16: "Interactive Proofs, Randomized Algorithms, and Trusting Your Program's Output," a talk by Prof. Sampath Kannan of the Computer Science department.
4/7: Third general meeting.
4/20: Fourth annual faculty-student dinner, held at Positano Coast by Aldo Lamberti. 9 faculty and 21 students attended.
4/21: "Differential Equations in Business, Engineering, Medicine, and Physics," a talk by Ed Crotty.
5/4: "A combinatorial introduction to multizeta values," a talk by Leila Schneps.

9/14: First general meeting.
9/20: Barbecue for prospective math majors, in Kings Court. This was very successful; over 50 students attended.
9/21: Second general meeting.
9/29: Third general meeting.
10/12: Women in math luncheon with Prof. Shelly Harvey.
10/12: Fourth general meeting.
10/13: First undergraduate colloquium, by Prof. Shelly Harvey: "Knot Theory and Twisting of 3-Dimensional Space."
10/21: First movie night: Good Will Hunting in Huntsman 270.
10/22: First coffee night with Prof. Dennis DeTurck at Bubble House.
10/27: Second undergraduate colloquium, by Prof. Herbert Wilf: "Eigenvalues, Graphs, and Searching the Web."
11/10: Third undergraduate colloquium, by Prof. Jerry Kazdan: "Milking Symmetry."
11/11: Fifth general meeting.
11/17: Second movie night: Pi in Huntsman 270.
11/19: Second coffee night with Prof. Peter Freyd at Bubble House.
12/9: Sixth general meeting.

At Penn, the MATH HONORS SOCIETY is a way for undergraduates to be exposed to math outside the classroom and to enrich their mathematics education.

Current projects include arranging popular talks on mathematical topics, and a faculty-student dinner.

To get involved with the Math Honors Society at Penn, contact pimuepsilon AT math DOT upenn DOT edu to get on our mailing list.

This page is maintained by pimuepsilon AT math DOT upenn DOT edu.
Department of Mathematics, University of Pennsylvania