The Adams Society of St John's CollegeThe Adams Society of St John's CollegeThe Adams Society of St John's College

The Adams Society is the mathematical society of St John's College, University of Cambridge.

We host various academic talks by well-known mathematicians, and social events for our members.

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Lent term events

P-adic numbers
Kevin Buzzard
6pm, Tuesday, 27th of January 2015
Castlereagh Room, Fisher Building, St John's College
Sometimes if you're looking for inspiration when trying to solve a horrible differential equation, you might write the solution as a power series and then try to solve for the coefficients to spot what's going on, without worrying about convergence. If you try doing this with a horrible Diophantine (integer) equation instead, and write down the answers in base p and don't worry about convergence, you just invented the p-adic numbers. Come to this talk and discover a world where 1+2+4+8+... really does equal -1.
A Century of Turbulent Motions in Fluids
Colm-cille Caulfield
6pm, Tuesday, 10th of February 2015
Room TBA, St John's college
In 1915, G. I. Taylor was awarded the Adams Prize at the University of Cambridge for an essay entitled ``Turbulent motion in fluids'', and also published a paper entitled ``Eddy motion in the atmosphere'', describing observations made in direct response to the loss of the Titanic. In this talk, I will show how the key ideas of these 100-year-old papers remain absolutely central even today to the huge environmental challenge of understanding and modelling turbulent mixing in density-stratified fluids such as the atmosphere and the ocean.
From lichen to lightning: understanding random growth
Amanda Turner
6pm, Tuesday, 24th of February 2015
Room TBA, St John's college
Random growth processes arise in a variety of physical and industrial settings, from cancer to polymer creation. Despite their practical relevance, mathematicians and physicists have so far been unable to provide answers to some fairly fundamental questions such as "what does a typical cluster look like?". We shall explore how the combination of probability and complex analysis can be used to provide a mathematical description of planar random growth.