"The essence of mathematics lies in its freedom" (Georg Cantor)Matsumoto.jpg

Prof. Saburo ("Sab") Matsumoto
Chair and Professor of Mathematics
キャニオンズ大学 数理工学部 数学科 主任教授


Office: Bonelli 321

Office hours (Fall, 2015):
Mon, Tue, Wed. 11:45AM to 12:45PM or by appointment (unless otherwise posted)

Phone: (661) 362-3661
(I don't use the phone very often.)

Email: (the best way to contact me)


Schedule for Fall, 2015

​Course ​Time Location​
​Math 211-18061 ​T, Th. 9:10 to 11:35 AM ​BONH-301
​Math 214-18076 ​M, W. 9:10 to 11:15 AM ​HSLH-203


the most important number in the world: e ( = 2.71828182845904523...)

Download: graph paper (1cm),  graph paper (1/4 inch),  polar graph


[Brief Introduction] Although I was born and raised in Kobe, Japan, I have lived in many places around the world, including the Central Valley and the Bay Area of California, South Carolina, Virginia, Michigan, Mississippi, Yokohama (Japan) and Melbourne (Australia). My area of specialty is topology, the branch of pure mathematics sometimes referred to as "rubber-band geometry." A topologist is sometimes defined as a person who cannot distinguish between a coffee mug and a doughnut.


幾何学よ 桜の花の美しさ


Cherry blossoms display beautiful pentagonal shapes and the fifth Fibonacci number, 5.