Contact Information
1409 W. Green Street
Urbana, IL 61801
Research Areas
Research Description
Markov processes, potential theory, stochastic analysis and branching processes
Additional Campus Affiliations
Professor, Mathematics
Professor, Statistics
External Links
Recent Publications
Cho, S., & Song, R. (2026). Abnormal boundary decay for stable operators. Journal of Differential Equations, 464, Article 114195. https://doi.org/10.1016/j.jde.2026.114195
Hou, H., Ren, Y. X., & Song, R. (2026). Local properties for 1-dimensional critical branching Lévy process. Stochastic Processes and their Applications, 192, Article 104834. https://doi.org/10.1016/j.spa.2025.104834
Ren, Y. X., Song, R., & Zhu, Y. (2026). Asymptotic behaviors of subcritical branching killed Lévy processes. Stochastic Processes and their Applications, 195, Article 104867. https://doi.org/10.1016/j.spa.2025.104867
Cho, S., & Song, R. (2025). Fractional Laplacian with Supercritical Killings. Communications in Mathematical Physics, 406(1), Article 22. https://doi.org/10.1007/s00220-024-05201-5
Hou, H., Ren, Y. X., Song, R., & Zhu, Y. (2025). ASYMPTOTIC BEHAVIORS OF SUBCRITICAL BRANCHING KILLED BROWNIAN MOTION WITH DRIFT. Advances in Applied Probability. Advance online publication. https://doi.org/10.1017/apr.2025.17