Irrational rotation on the circle. The continued fraction of the angle mod 2 π is [4,5,6,7,...].
Animation created with Maple 12, optimized with Gimp.

Ovidiu Costin

Math Tower 404


Math 7212,  Functional Analysis II, Spring 2020

Math 6212,  Real Analysis II, Spring 2019

Math 5102,  Linear Mathematics in Infinite Dimensions, Spring 2019

Math 6211,  Real Analysis I,Autumn 2018

Math 6212,  Real Analysis II, Spring 2018

Math 5522H,  Honors Complex Analysis, Spring 2017


Math 7652,  Applied Complex Variables and Asymptotics II, Spring 2016

Math 4181H, Honors Analysis I , Autumn 2015

Math 5102 - Linear Mathematics in Infinite Dimensions, Spring 2015

Math 6411 - Ordinary Differential Equations I, Autumn 2014

Math 5101 - Linear Mathematics in Finite Dimensions, Autumn 2014

Applied Complex Variables and Asymptotics II, Spring 2014

Math 7652,  Applied Complex Variables and Asymptotics II, Spring 2014

Math 7212,  Functional Analysis II, Spring 2014

Math 7651,  Applied Complex Variables and Asymptotics, Autumn 2013

Math 4181H,  Honors Analysis I, Autumn  2012

Math 7412 Ordinary Differential Equations ,  Autumn 2012

Math 264H,  Elementary Analysis 3,  Spring 2012

Math 806, Applied Complex Variables and Asymptotics III ,  Spring 2012

Math 805, Applied Complex Variables and Asymptotics II ,  Winter 2012

Math 961, Unbounded Operators, ,  Spring 2011

Math 821,  Differential Equations, Winter 2011

Math 820,  Differential Equations, Autumn 2010

Math 821,  Differential Equations, Winter 2009

Math 820,  Differential Equations, Autumn 2008

Math 961,  Unbounded Operators, Spring 2008

Math 806,  Applied Complex Variables and Asymptotics III, Spring 2008

Math 415,  Ordinary and Partial Differential Equations, Winter 2008

Math 805, Applied Complex Variables and Asymptotics II, Winter 2008

Applied Complex Variables, Math 806, Spring 2006

Math 865, Special topics in Analysis: Ecalle-Borel summability and applications

Math 822, ODEs, part III