In English context, I go by the mononym Ritsuka ([ɾiꜜtsɯ̥ka] LI-ts-ka).

I publish under the name K. Ritsuka. Until 2023, I published under a different name. If you cite me, please cite me as K. Ritsuka, even if the publisher has not made the change (IEEE, Springer, arXiv have not updated my name).

The name Ritsuka refers to xià [en], a Solar Term that signifies the beginning of summer according to the Chinese lunisolar calendar. The name is pronounced as a Japanese given name りつかri tsu ka instead of as the original Chinese word of the solar term.

IPA symbol Description
ɾ American atom, or less accurately lie
i meet
ts cats
ɯ̥ whispered shoot (almost too short and quiet to be audible)
k skate
a father

What does K. stand for?

It stands for Kagurazaka (ぐらざか).

Chinese Name

In Chinese context, I go by 「yànyúnshān」. Please do not Romanize this name.

Has Been Known as

  • Richard Ean (previously published as)
  • R. Yan, on p. 247 in
    Christos G. Cassandras and Stéphane Lafortune. Introduction to Discrete Event Systems. 3rd Edition. Springer Nature, 2021. doi: 10.1007/978-3-030-72274-6
  • Yunshan Yan