Johan Andersson: There exists Helson zeta-functions with prescribed zeros and poles in the half plane $\Re(s)<1$
Christopher Atherfold: The Fourier coefficients of the critical holomorphic chaos
Soumya Bhattacharya: Primes and polygonal numbers
Frederik Broucke: On the connection between zero-free regions for the zeta function and the error term in the PNT
Martin Cech: The first moment of quadratic Dirichlet L-functions with lower order terms.
Mithun Das: Fourier optimization and pair correlation problems
Aritra Ghosh: The general Rankin-Selberg Problem
Daniel Johnston: Can the Bombieri-Vinogradov Theorem be made effective?
Xinchen Miao (Hybrid): subconvexity bound for triple product L-functions in level aspect
Links:
[1] https://www.mpim-bonn.mpg.de/de/taxonomy/term/39
[2] https://www.mpim-bonn.mpg.de/de/node/3444
[3] https://www.mpim-bonn.mpg.de/de/pretzl