Infosheet (March 7th, 2017) |
Queen's University - Department of Mathematics and Statistics |
Tuesday, March 7 |
Graduate Seminar Time: 12:30 p.m. Place: Jeffery 115 |
Documentary Title: Hunting the hidden dimension Abstract Attached |
Tuesday, March 7 |
Dynamics Seminar Time: 4:30 p.m. (new time) Place: Jeffery 422 |
Speaker: Mikhail Hayhoe, Queen’s University Title: TBA |
Wednesday, March 8 |
Curves Seminar Time: 3:30 pm. Place: Jeffery 422 |
Speaker: Mike Roth Title: G-linearizations and semistable points Abstract Attached |
Thursday, March 9 |
Math Club Time: 5:30 p.m. Place: Jeffery 118 |
Speaker: Dan Offin, Queen’s University Title: Some peculiarities of the three body problem Abstract Attached |
Friday, March 10 |
Number Theory Seminar Time: 10:30 a.m. Place: Jeffery 422 |
Speaker: M. Ram Murty Title: An Introduction to the Rankin-Selberg Convolution Abstract Attached |
Friday, March 10 |
Department Colloquium Time: 2:30 p.m. Place: Jeffery 234 |
Speaker: Brian Cook, Fields Institute Title: Roth-type Theorems in Euclidean Spaces Abstract Attached |
Items for the Info Sheet should reach Anne ( burnsa@queensu.ca) by noon on Monday. The Info Sheet is published every Tuesday.
Tuesday, March 7, 12:30 p.m. Jeffery 115 - Graduate Seminar
Documentary
Title: Hunting the hidden dimension
Abstract: NOVA explores the fascinating world of fractals and looks at how they can be used to better understand everything from coastlines and rainforests to weather systems and human physiology.
Tuesday, March 7, 3:30 p.m. Jeffery 422 - Dynamics Seminar
Speaker: Mikhail Hayhoe, Queen's University
Title:
Abstract:
Wednesday, March 8, 3:30 p.m. Jeffery 422 Curves Seminar
Speaker: Mike Roth
Title: G-linearizations and semistable points
Abstract: We will start studying the problem of taking the quotient of a projective variety by a reductive group. The essential idea is to use a suitable projective embedding to reduce the problem to taking invariants. We will then have to spend some time understanding what our solution means.
Thursday, March 9, 5:30 p.m. Jeffery 118 - Math Club
Speaker: Dan Offin
Title: Some peculiarities of the three body problem
Abstract: Johannes Kepler published his three laws of planetary motion in the period 1608- 1619. I. Newton used these three laws to formulate his law of universal gravitation, published in his Principia 60 years later. Newton then went on to demonstrate how to completely solve the Kepler problem of a mass m moving freely in three dimensional space and gravitationally attracted to a fixed mass M. Moreover he was also able to show that the trajectories described by the mass m correspond to conic sections in the plane, for elliptical paths the position vector r(t) from M to m sweeps out equal areas in equal times, and that the period of the orbit and its semimajor axis conform to Keplers third law. These statements were deeply profound and have had an enormous impact on science and culture since that time. George Bernard Shaw, in proposing a toast to Einstein in October 1930 at London’s Savoy Hotel, stated that if we go back 2500 years, there are only three people who have created a universe in which we can study: Ptolemy, Newton and Einstein. In this lecture, I will give a very brief survey of some of the results and observations on the problem which Newton formulated, that of considering three bodies in the plane, interacting according to his law of gravitation.
Friday, March 10, 10:30 a.m. Jeffery 422 - Number Theory Seminar
Speaker: M. Ram Murty
Title: An Introduction to the Rankin-Selberg Convolution
Abstract:
We will give a gentle introduction to the theory of the Rankin-Selberg
convolution L-series,
derive its analytic continuation and functional equation as well as some of
its special values (if time permits).
Friday, March 10, 2:30 p.m. Jeffery 234 - Department Colloquium
Speaker: Brian Cook
Title: Roth-type Theorems in Euclidean Spaces
Abstract: We shall discuss a result concerning sets of positive upper density in Euclidean spaces and 3-term arithmetic progressions. In particular, this talk will overview recent work (joint with Malabika
Pramanik and Akos Magyar) which shows that appropriate dense sets contain 3-term arithmetic progressions of all sufficiently large gaps when the gap size is measured in certain metrics which differ from the standard Euclidean metric. Results of this type with the standard Euclidean distance are known to fail.