Likun's thesis title is: Combinatorial Methods in Number Theory: Sieve Theory and Special Functions.
Here is the zoom information:
https://illinois.zoom.us/j/85041791419?pwd=a8DOpxCTji8fveKvovCaBo4RsXQ5nT.1
Meeting ID: 850 4179 1419
Password: 323441
Department of Mathematics
College of Liberal Arts & Sciences
273 Altgeld Hall
1409 W. Green Street (MC-382)
Urbana, IL 61801
Telephone: 217-333-3350
Email: math@illinois.edu