Takahiko Fujita, Shotaro Yagishita, Naohiro Yoshida. Some martingale properties of the simple random walk and its maximum process. Statistics and Probability Letters. 2024. 110076-110076
Naohiro Yoshida. A micro-foundation of a simple financial model with finite-time singularity bubble and its agent-based simulation. Economics and Business Letters. 2023. 12. 4. 277-283
Takahiko Fujita, Naohiro Yoshida. On further application of the zeta distribution to number theory. Research in Number Theory. 2023. 9. 4
Takahiko Fujita, Naohiro Yoshida. An introduction to excursion risk through discrete-time excursions. JSIAM Letters. 2023. 15. 97-100
Takahiko Fujita, Naohiro Yoshida. An example showing that the sum of two normal random variables may not be normal. International Journal of Mathematical Education in Science and Technology. 2023. 1-5