Dmitry Ryabogin

1. A negative answer to Ulam's Problem 19 from the Scottish Book
   2021/02/02 by Dmitry Ryabogin, Ryabogin, Dmitry · 1 citation
   Mathematics · #52Axx #Advanced Topology and Set Theory #Classical Analysis and ODEs (math.CA) #FOS: Mathematics #Mathematical Dynamics and Fractals #Point processes and geometric inequalities
2. The Spherical Grünbaum Inequality
   2026/07/18 by Sergii Myroshnychenko, Dmitry Ryabogin, Kateryna Tatarko +1
   #math.MG #math.DG #math.FA