Department Chair:
Susan Jane Colley

Department Email:

Phone: (440) 775-8388
Fax: (440) 775-6638

10 N. Professor St/King 205

Oberlin, OH, 44074

Sept 15 -- Student/Faculty Pizza Luncheon
Susan Jane Colley, Department of Mathematics
12:15 in King 203

Gerrymandering is the highly political and partisan process of dividing a region into voting districts so as
to give advantage to a particular party.  But how can we determine just how fair a particular redistricting
is?  We take a look at some different ways to measure how bizarrely shaped a region might be and how
that affects this particular question of fair division.





Oct 13 -- Student/Faculty Pizza Luncheon
 "Untangling Escher with Complex Arithmetic"
Kevin Woods, Department of Mathematics
12:15 in Wilder 115

In 1956, M.C. Escher produced a lithograph entitled “Prentententoonstelling”
(translation: “Print Gallery”). The first thing we notice is the wonkiness of the curvy lines.
Then we start exploring: starting with the man in the lower left corner, we follow his eyes
into the painting, follow the painting to the right as it explodes into a cityscape, follow the
cityscape down and we’re at street level looking into a galley with a man standing inside,
follow his eyes into the painting,....

Egads! With a little bit of complex arithmetic, we’ll be able to understand what’s happening
here, leading to some amazing animations. We’ll also be able to figure out what’s going on
with the hole in the middle, where Escher seems to have shrugged his shoulders and called
it a day.


Nov 8 -- Lecture
" Quantum behavior in finite vector spaces "
Michael Westmoreland -- Denison University
4:30 pm in King 239

Entanglement is a property of quantum systems that faclitates may of the strange properties of such systems.
Teleportation and quantum cryptography are just two of the consequences of entanglement.  The
mathematical macinery of actual quantum mechanics is considerable: vectors in Hilbert Spaces,
operators on Hilbert spaces, and convex mixtures of those operators are just some of the issues with which
the standard quantum mechanician must grapple.  But entanglement exists in such simple systems.  Such
systems lack the mathematical paraphernalia of Hilbert space theory and probabilities. 
These simple systems provide a more straightforward testbed for conjectures about entanglement. 
This talk introduces the idea of entanglement in finite vector spaces.




Nov 17 -- Student/Faculty Pizza Luncheon
Loops and Labyrinths
Bob Bosch -- Department of Mathematics
12:15 in King 203



Dec 8 -- Student/Faculty Pizza Luncheon
Deranged Socks
Joshua Lesperance -- Department of Mathematics
12:15 in Wilder 115