Volume 13, Issue 2, 2023 Petal Numbers of Rational MapsFigen Çilinger The Relation Between the Number of Related-Matrices and the Number of Topologies on a Finite SetMehmet Vural, Ali Harun Daldallı The m−Order Linear Recursive QuaternionsOrhan Dişkaya, Hamza Menken Estimates for the Abstract Boussinesq EquationsHummet K. Musaev, Aytac A. Nabieva