## Profile

A professor at Department of Mathematics
at Hiroshima University.
He considers himself as a mathematician,
but is not confident.
There are so many Makoto Matsumoto's
in Japan (quite a common name).
The famous senior mathematician Makoto Matsumoto,
who majors Finsler geometry, is another person,
but in MathReview there is a confusion.
Sorry.
## Studies

Every Mathematics; in particular
algebraic researches. Weak side
is analysis.
Arithmetic fundamental groups,
mapping class groups,
combinatorics,
pseudorandom number generation,
computer science, etc.
are his research areas.
## A dream

To be a mathematician. But it seems hard.

An R-rated profile.
Warning: the below contains possibly harmful contents to
serious researchers.
X-profile