Week 3, April 2026

Title: Generalised (bi-)Hamiltonian structures of hydrodynamic type and (bi-)flat F-manifolds
Author: Paolo Lorenzoni, Zhe Wang
arXiv: http://arxiv.org/abs/2604.12819v1

Title: Interaction-powered Type Ibn Supernovae as a Transient PeVatron Candidate: The Case of SN 2023uqf
Author: Ryo Sawada, Yusuke Inoue, Yosuke Ashida
arXiv: http://arxiv.org/abs/2604.12496v1

Title: Exact SL(2,Z)-Structure of Lattice Maxwell Theory with $θ$-term in Modified Villain Formulation
Author: Shoto Aoki, Yoshio Kikukawa, Toshinari Takemoto
arXiv: http://arxiv.org/abs/2604.08736v1