Evolution of bivariate copulas in discrete processes. - Yasukazu Yoshizawa; Naoyuki Ishimura (JSIAM Lett., 2011)

Evolution of Copulas in Discrete Processes with Application to a Numerical Modeling of Dependence Relation Between Exchange Rates. - Naoyuki Ishimura; Yasukazu Yoshizawa (NAA, 2016)

Evolution of multivariate copulas in continuous and discrete processes. - Yasukazu Yoshizawa; Naoyuki Ishimura (Intell. Syst. Account. Finance Manag., 2018)

Time evolutions of copulas and foreign exchange markets. - Ivan Kupka; Jozef Kiselák; Naoyuki Ishimura; Yasukazu Yoshizawa; Ledys Salazar; Milan Stehlík (Inf. Sci., 2018)

Long memory estimation in a non-Gaussian bivariate process. - Ledys Llasmin Salazar Gomez; Soledad Torres; Jozef Kiselák; Felix Fuders; Naoyuki Ishimura; Yasukazu Yoshizawa; Milan Stehlík (Appl. Math. Comput., 2022)