We study almost pseudo-valuation semigroups S, especially will study semistar operations on S, and will determine the complete integral closure of S. We will study various cancellation properties of semistar operations on g-monoids. Also, we will study Kronecker function rings of any semistar operations on g-monoids.
April 03, 2017 There had been a system trouble from April 1, 2017, 13:24 to April 2, 2017, 16:07(JST) (April 1, 2017, 04:24 to April 2, 2017, 07:07(UTC)) .The service has been back to normal.We apologize for any inconvenience this may cause you.
May 18, 2016 We have released “J-STAGE BETA site”.
May 01, 2015 Please note the "spoofing mail" that pretends to be J-STAGE.