Williams and SMALL speakers abounded at the January joint meetings of the AMS and MAA in Boston, January 4-7, 2011, including Professors Devadoss, Loepp, Miller, Morgan, Silva, recent alums Jake Levinson and Ralph Morrison, and many from SMALL ’11.

Williams/SMALL speakers and a few other events at joint meetings:

**Monday, January 2nd**

MAA Short Course on Discrete and Computational Geometry Part I

Satyan L. Devadoss, Williams College

Monday 2 from 8:00am-5:00pm – Back Bay Ballroom C, 2nd Floor, Sheraton

**Tuesday, January 3rd**

MAA Short Course on Discrete and Computational Geometry Part 2

Satyan L. Devadoss, Williams College

Tuesday 3 from 9:00am-5:00pm – Back Bay Ballroom C, 2nd Floor, Sheraton

**Wednesday, January 4th**

The Log-Convex Density Conjecture and vertical surface area in warped products.

Sean P Howe, Leiden University (SMALL ’09)

Wednesday 4 at 9:15am – Back Bay Ballroom D, 2nd Floor, Sheraton

Families of Half-Transitive Graphs

Nate R Harman, UMass, Amherst (SMALL ’09)

Wednesday 4 at 9:30 am – Hynes 110

Moment Formulas for Ensembles of Classical Compact Groups.

Steven J. Miller, Williams College

Wednesday 4 at 10:00am – Back Bay Ballroom D, 2nd Floor, Sheraton

Distribution of Eigenvalues of Weighted, Structured Matrix Ensembles.

Karen Shen, Stanford University (SMALL ’11)

Wednesday 4 10:15am – Back Bay Ballroom D, 2nd Floor, Sheraton

**Wednesday January 4, 2012, 11:10 a.m.-12:00 p.m.**

AMS-MAA Invited Address

*A stratification of the space of all $k$-planes in ${\mathbb C}^n$.*

Ballrooms A/B, 3rd floor, Hynes

**Allen Knutson**, Cornell University

**Wednesday January 4, 2012, 1:00 p.m.-1:50 p.m.**

AMS Colloquium Lectures: Lecture I

*Langlands program, trace formulas, and their geometrization, I.*

Ballrooms A/B, 3rd floor, Hynes

**Edward Frenkel***, University of California Berkeley

(1077-14-10)

**Wednesday January 4, 2012, 2:15 p.m.-3:05 p.m.**

MAA Invited Address

*Mathematics to DIE for: The battle between counting and matching.*

Ballrooms A/B, 3rd floor, Hynes

**Jennifer Quinn ’85**, University of Washington, Tacoma

A Family of Algorithms Yielding a Solution to the Hermite Problem.

Sarah Peluse, University of Chicago (SMALL ’11)

Wednesday 4 at 3:00pm – Room 110, Hynes

A Generalized Family of Multidimensional Continued Fractions?

Cornelia Mihaila, Wellesley College (SMALL ’11)

Wednesday 4 at 3:15pm – Room 110, Hynes

Multidimensional Continued Fraction Pell Equations.

Laure Flapan, Yale University (SMALL ’11)

Wednesday 4 at 3:45pm – Room 110, Hynes

Unique Sequences for Multidimensional Continued Fractions.

Krishna Dasaratha, Harvard University (SMALL ’11)

Wednesday 4 at 4:00pm – Room 110, Hynes

Thursday, January 5th

Existence of isoperimetric regions in $R^n$ with density.

Frank Morgan, Williams College

Thursday 5 at 8:30am – Room 303, Hynes

Benford’s Law and Dependent Random Variables.

Thealexa G Becker, Smith College (SMALL ’11)

Thursday 5 at 9:00am – Room 201, Hynes

On Li-Yorke Measurable Sensitivity.

Jared Hallett, Williams College (SMALL ’11)

Thursday 5 at 9:30am – Room 110, Hynes

Tilings with nonconvex pentagons.

Ping Ngai Chung (Brian), Massachusetts Institute of Technology (SMALL ’11)

Thursday 5 at 10:30am – Room 110, Hynes

Minimal Pentagonal Tilings.

Niralee Shah, Williams College (SMALL ’11)

Thursday 5 at 10:45am – Room 110, Hynes

Low-lying zeros of cuspidal Maass forms.

Liyang Zhang, Williams College (SMALL ’11)

Thursday 5 at 11:15am – Room 201, Hynes

Deformations of surfaces and convex polytopes

Satyan L Devadoss, Williams College

Thursday 5 at 2:30pm – Room 101 Hynes

PRIZE SESSION and reception (Don’t miss this.)

Thursday 5 at 4:25-7pm – Ballrooms A/B/C Hynes

**Friday, January 6th**

Cantor’s set throughout real analysis

Cesar E. Silva, Williams College

Friday 6 at 8:00am – Room 310 Hynes

An Elliptic Curve Test for the $L$-Functions Ratios Conjecture.

Ralph Morrison, UC Berkeley (Williams ’10)

Friday 6 at 8:45 a.m – Room 305, Hynes

The Distribution of Generalized Ramanujan Primes.

Ryan Ronan, the Cooper Union (SMALL ’11)

Nadine Amersi, University College London (SMALL ’11)

Friday 6 at 9:00am – Back Bay Ballroom B, 2nd Floor, Sheraton

Gaps between summands in generalized Zeckendorf decompositions.

Olivia Beckwith, Harvey Mudd College (SMALL ’11)

Friday 6 at 9:30am – Back Bay Ballroom B, 2nd Floor, Sheraton

Constructing Generalized Sum-Dominant Sets.

Geoff S Iyer, University of Michigan (SMALL ’11)

Friday 6 at 9:45am – Back Bay Ballroom B, 2nd Floor, Sheraton

The $n$-level density of zeroes of quadratic Dirichlet $L$-functions.

Jake Levinson, University of Michigan – Ann Arbor (Williams ’11)

Friday 6 at 10:00am – Room 305, Hynes

Distribution of Missing Sums in Sumsets.

Oleg Lazarev, Princeton University (SMALL ’11)

Friday 6 at 10:30am – Back Bay Ballroom B, 2nd Floor, Sheraton

Hyperbolic knots

Colin C Adams, Williams College

Friday 6 at 10:30am – Room 311, Hynes

Isoperimetry in the Plane with Density $e^r$.

Luis A. Sordo Vieira, Wayne State University (SMALL ’11)

Friday 6 at 2:00pm – Back Bay Ballroom A, 2nd Floor, Sheraton

Teaching, Mentoring, and Advising Undergraduate Research: Lessons Learned On the Streets.

Susan Loepp, Williams College

Friday 6 at 3:00pm – Room 302, Hynes

MAA Undergraduate Poster Session

Friday 6, 3:30pm – 5:30pm – Veteran’s Auditorium, 2nd floor, Hynes

Williams/SMALL Gathering, all welcome

Friday 6, 5-5:40pm – Sheraton Lobby

Mathematically Bent Theater

Colin Adams, Mobiusbandaid Theater Company/ Williams College

Friday 6 at 6:00pm – Room 302, Hynes

**Saturday, January 7th**

Geometry of Surfaces with Density.

Miguel A. Fernandez, Truman State University (SMALL ’11)

Saturday 7 at 8:00am – Back Bay Ballroom A, 2nd Floor, Sheraton

Panel on Undergraduate Research

Organizers Steven J. Miller (Williams) and David Damiano (Holy Cross)

January 7, 8:30-10 AM, Room 208, Hynes Convention Center

Virus Dynamics in Star Graphs.

Alexander Greaves-Tunnell, Williams College (SMALL ’11)

Saturday 7 at 9:00 am – Back Bay Ballroom C, 2nd Floor, Sheraton

Saturday January 7, 2012, 11:10 a.m.-11:40 a.m.

MAA Business Meeting

Ballrooms A/B, 3rd floor, Hynes

Saturday January 7, 2012, 11:45 a.m.-12:15 p.m.

AMS Business Meeting

Ballrooms A/B, 3rd floor, Hynes

**Saturday January 7, 2012, 3:00 p.m.-4:00 p.m.**

AMS-MAA-SIAM Gerald and Judith Porter Public Lecture

*Geometric puzzles: Algorithms and complexity.*

Ballrooms A/B, 3rd floor, Hynes

**Erik D. Demaine**, Massachusetts Institute of Technology

On $\mu$-Compatible Metrics and Measurable Sensitivity

Cesar E. Silva, Williams College

Saturday 7 at 4:30pm – Republic Ballroom A, 2nd Floor, Sheraton

A Family of Multidimensional Continued Fraction Stern Sequences.

Matthew Stoffregen, University of Pittsburgh (SMALL ’11)

Saturday 7 at 5:00 pm – Back Bay Ballroom A, 2nd Floor, Sheraton

A Generalized Family of Multidimensional Continued Fractions and its Correspondence to Existing Algorithms.

Chansoo Lee, Williams College (SMALL ’11)

Saturday 7 at 5:30pm – Back Bay Ballroom A, 2nd Floor, Sheraton

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