1. |
M. Fujii, I. Okada, E. Yanagida, Isolated singularities in the heat equation behaving like fractional Brownian motions, *Journal of Mathematical Analysis and Applications*, 2021.06. |

2. |
Izumi Okada, Exponent for sets of frequently visited points of a simple random walk in two dimensions, *Latin American Journal of Probability and Mathematical Statistics*, 2020.06. |

3. |
Izumi Okada, Cone exponents of Brownian motions with particular drifts, *Latin American Journal of Probability and Mathematical Statistics*, 2020.06. |

4. |
Izumi Okada, The inner boundary of random walk range, * Journal of the Mathematical Society of Japan*, 2016.10. |

5. |
Izumi Okada, Frequently visited sites of the inner boundary of simple random walk range, *Stochastic processes and their applications*, 2016.06. |

6. |
Izumi Okada, Last zero time or maximum time of the winding number of Brownian motions, *Electronic Communications in Probability*, 2014.08. |

7. |
Izumi Okada, Geometric structures of late points of simple random walks in two dimension, *Annals of Probability*, 2019.10. |