@Misc{ PhPiThXu26, author = { Pham, Thang and Pinamonti, Andrea and The Dung, Tran and Xue, Boqing }, title = { Horizontal Kakeya maximal operators in finite Heisenberg groups: Exact exponents and applications }, journal = { }, year = { 2026 }, pages = { }, URL = { http://cvgmt.sns.it/paper/7589/ }, note = { cvgmt preprint} }