2 papers
math.HO2017
Generalized Riemann sums
Toshikazu Sunada
The primary aim of this chapter is, commemorating the 150th anniversary of Riemann's death, to explain how the idea of {\it Riemann sum} is linked to other branches of mathematics.…
math.MG2014
Topics on mathematical crystallography
Toshikazu Sunada
In July 2012 the General Assembly of the United Nations resolved that 2014 should be the International Year of Crystallography, 100 years since the award of the Nobel Prize for the…