Nathan D. Cahill: Minutiae


Academic Genealogy

The Mathematics Genealogy Project records advisor/advisee links between people who have received doctorates in mathematics or related disciplines.

My academic genealogy can be seen here.

Erdős Number

Paul Erdős was a prolific mathematician who had over 500 collaborators.  The Erdős Number is the minimum "collaborative distance" between a person and Erdős.  (Erdős himself has Erdős number 0; his collaborators have Erdős number 1; collaborators of his collaborators have Erdős number 2, etc.)

My Erdős number is 3, due to papers published with Darren Narayan and Paul Wenger.

Computer Vision Royalty

My student, Selene Chew, and I attended ICCV 2015 in Santiago, Chile, to give a poster presentation on our paper, "Semi-Supervised Normalized Cuts for Image Segmentation." During the poster, we were visited by a number of people who wrote famous papers that were fundamental building blocks for our ICCV paper. I was probably more excited than Selene to get this picture taken in front of our poster.

From left to right: Me, Jitendra Malik, Jianbo Shi, Stella Yu, and Selene Chew.

Cubs Fever!

My friends and colleagues know that I'm oblivious about pretty much any sport except for football. (And by football, I mean real European football, not the silly American version.)

But what most of my friends and colleagues don't know is that I become a die-hard baseball fanatic whenever the Chicago Cubs reach the postseason. In October 2015, this rare event occurred! In celebration, I offered bonus points to students in my Advanced Linear Algebra class for showing Cubs team spirit on their homework. Here were two of the best submissions.

CubsPirates    CubsFan

Down Under

In September 2013, after attending ICIP in Melbourne, I stopped in Sydney prior to heading back to Rochester to visit one of my early mentors from my days at Eastman Kodak. While my Probability students back in Rochester were busy taking a test, I was hanging out with koalas and kangaroos.

Koala    Kangaroos


The April 2012 issue (Vol. 45, No. 3) of SIAM News mentioned a talk I gave at the University of Maryland Baltimore County in March 2012.  Two of the students pictured, Zois Boukouvalas and Maria Barouti, earned MS degrees in Computational & Applied Mathematics from RIT and are currently PhD students in Applied Mathematics at UMBC.

SIAM News Picture

Volcanic Disruptions

In April 2010 I was stuck in the Netherlands for an extra week due to the Icelandic volcano Eyjafjallajökull, much to the dismay of my Scientific Computing students in Rochester. In my frustration, I went to Keukenhof to find a large pair of clogs with which I could walk across the Atlantic Ocean.




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