Events for Fall 2007:

Date Speaker(s) Title(s) Abstract
Sept. 12
Margaret Robinson (MHC)
 plus film

Film: "The Math Life", plus
organization for the term.

Margaret Robinson will lead a short discussion about Club activities for the term.  Come with suggestions.  We'll then see as much of the film as time permits.  Pizza and beverages at 12:15 in 416 Clapp; movie in 407.

Sept. 19
Students with summer 07 experiences to share.
Summer opportunities for math and stat students.
Come learn about how to find good summer opportunities that use  and enhance your math and/or stat background.
Pizza and beverages at 12:15 in 416 Clapp.
Sept. 26
Jillian McLeod plus other dept faculty
Preparing for graduate school

Majors in math/stat have lots of opportunities for graduate study.  Come learn about ways to prepare yourself  to make good choices and to succeed.
Pizza and beverages at 12:15 in 416 Clapp..
Sept 29
UMass
10-4:30
Dr. Sukyoung Ryu,   Sun Microsystems Laboratories,
"CS Saturday": grad school and careers in computer science
For more information see http://www.cs.umass.edu/cs-saturday/
Oct.. 3


Prof. Alan Robinson, Isenberg School, UMass


Creativity in the Workplace
In the first of two talks, Professor Robinson will describe how the most creative teams work together to get the most innovative outcomes. We will begin by watching "Deep Dive" -- the most famous video on creativity and innovation ever filmed (20 minutes long) -- and then, in the ensuing discussion, draw
out all the deliberate things the team did to make itself more
creative.

Pizza and beverages at 12:15 in 416 Clapp.
Oct. 10
Fatema Burhani '09 and Morgan Shaffer '09
Summer research reports
 Fatema and Morgan will describe their summer research.
Pizza and beverages at 12:15 in 416 Clapp.
Oct. 17
Bob Weaver, MHC
Transformations in Computer Graphics
.

 We’ll look at how objects are transformed in graphics – for instance, we’ll see how to do rotations, scalings, translations, and shearings -- all with simple matrix multiplication.  We'll see why, in order to do these operations with matrices, we need to go into the 4th dimension!!  We'll also see examples of these operations in action.

Pizza and beverages  at 12:15 in 416 Clapp.
Oct 17
7pm
Amherst College
Ken Ono
TBA
Undergraduate Connecticut Valley Mathematics Colloquium, open to all Five College students (and faculty).  Pizza at 6pm and talk at 7pm.  More info coming.
Oct. 24
Mary Fleischli, MHC '93
 When you were five years old, did you dream of becoming an actuary?

I'll tell you why I love it: I get to problem solve every day in a business environment!  In my job, I use math, econ and stats!  I am constantly learning new things in my job! I'll give you advice on how to prepare now for this exciting journey, for internships and full time employment and how to make good money (and give some back to Mt. Holyoke too!)
Pizza and beverages at 12:15 in 416 Clapp.
Oct 27
9-3:15
Bentley College
Math at Work
Conference website
This conference, which is sponsored by the Northeastern Section of the Mathematical Association of America (MAA) and Bentley College, will feature a keynote address by Professor Robert L. Devaney of Boston University, as well as 26 workshops in various areas relating to mathematics where employment opportunities exist. Undergraduate students, college faculty, high-school students and faculty are encouraged to attend. Representatives of graduate programs will be available to meet with students.
Oct. 31
Dept. faculty
Information on Spring 300-level courses at MHC and the 5 Colleges
 Pizza and beverages at 12:15 in 416 Clapp.
Nov 2
5:00 p.m.
407 Clapp

Refreshments 4:30 in 416 Clapp
Alin Popescu, Renesys Corporation
Digital Image Forensics,
2007 Connecticut Valley Mathematics Colloqium at MHC


Since its introduction in 1826, the photograph has acquired a unique status as a truthful and definitive recording of events. The increasing ease with which photographs can be  manipulated has diminished their status as an impartial record. With the availabilty of low-cost digital cameras and powerful photo-editing software, even casual users can create digital forgeries that are very difficult to distinguish from real photographs. 
   In this talk I will present a set of statistical techniques and other mathematical tools for detecting tampering in digital images. Empirical evidence shows that tampering of <>digital images, while often visually imperceptible, alters some of their underlying statistical properties. These subtle changes can be exploited to design algorithms that
can detect traces of tampering.
   I will discuss several techniques that quantify and detect tampering: (1) detection of traces of re-sampling (e.g., scaling or rotations) in any portion of an image; (2) detection of tampering in color filter array interpolated images; (3) detection of double JPEG compression; and (4)detection of duplicated image regions. 
This is joint work with Hany Farid.
Nov. 7
Taylor Pressler '08

Singular Value Decomposition and its Applications to Fourier Transform Infrared Spectroscopy Studies of Amyloid Protein Dynamics
Singular Value Decomposition (SVD) is a type of component analysis that can be used to decompose a real m x n matrix  (m >= n).  SVD can be very useful when analyzing large sets of spectroscopic data collected as a function of time.  Fourier Transform Infrared Spectroscopy (FTIR) is used to study the conformational changes of proteins.  This technique is widely used in biophysical chemistry reseearch on the misfolding of proteins associated with Alzheimer's Disease.  A time series of FTIR spectra is regarded as a matrix, in which each row corresponds to a frequencency at a fixed time.  A useful way to analyze the data is to decompose the matrix into a sum of terms by  SVD.  The individual terms in this decomposition then hold a real physical significance.  This allows a purely mathematical operation to isolate physical effects as different terms.  For example, a protein change can be comprised of both fast and slow processes, and in a typical application these are separated by SVD.  Other contributions to the spectra, such as buffer and water vapor, which would have to be subtracted out through data processing, are also isolated into individual terms.  This can help eliminate artifacts which arise from data processing and preserve data integrity.
Pizza and beverages at 12:15 in 416 Clapp.
Nov. 14
 Rajalakshmi Balasubramanian, MHC 96
Biostatistics in Public Health and Biomedical Research

 Raji graduated from MHC in 1996 with a special major combining mathematics, statistics and computer science.  She received her PhD in Biostatistics at Harvard University in 2001 and is now Associate Director, Biostatistics, at BG Medicine, Inc, Waltham, MA.  Pizza and beverages at 12:15 in 416 Clapp.

Nov. 16
4:00 p.m.
305 Kendade
Hennie Poulisse, Shell Oil
The Senechal
Lecture
Algebraic Oil
This talk presents the encounter of Computational Commutative Algebra with noisy, measured data from an industrial process, notably data related to processes in oil industry. More specifically Computational Commutative Algebra is used to describe the behavior of an oil production system using only measured data of the production system as input information.  Noisy data means Uncertainty, and that in itself would seem to be a logical antagonist of Commutative - Algebra. That is not necessarily a bad thing. Indeed, William Byers advocates in his recent text How Mathematicians Think the importance of ambiguity, contradiction, and paradox for creativity, and hence progress in mathematics.  But bad thing or not, the Noisy DataCommutative Algebra combination is not an obvious choice.

Nov. 28
Harriet Pollatsek
MHC

The Smallest Hamming Code: conquering frustration with algebra

Richard Hamming invented his error-correcting code in 1946, under frustrating circumstances, which I’ll describe.  Error-correcting codes are still being invented and analyzed.   They have been used to protect information sent back to earth from NASA’s satellites as well as that  coded on CDs.  Error-correcting codes are also needed to protect fragile information in a quantum computer.  In this talk I’ll explain how and why Hamming’s smallest code “works.”  The underlying mathematics is just a little linear algebra, although I’ll have asides on group theory and finite geometry.

Pizza and beverages at 12:15 in 416 Clapp.
Dec. 5
Liana Medina-Rios '09

Conference Attending 101
Conference attending is a new experience for most undergraduates.  I will discuss reasons for attending a conference, the experience of attending a conference from the point of view of an undergraduate, along with tips and advice on how to plan your trip and participation in a conference.  I will also discuss the Infinite Possibilities Conference I attended this November.  This talk will hopefully be helpful to students thinking about attending a conference.
Pizza and beverages at 12:15 in 416 Clapp..

Dec. 12
Everyone
End of term party
Lunch and goodies at 12:15 in 416 Clapp.