Section A: Mathematics

Yordan Epitropov, Ivanka Gradeva, SIMPLE COMPONENTS OF SEMISIMPLE GROUP ALGEBRAS OF METACYCLIC GROUPS

Anton Iliev, Nikolay Kyurkchiev, Asen Rahnev, Todorka Terzieva, EFFICIENT BINARY EXTENDED ALGORITHM USING SGN FUNCTION

Mancho Manev, RICCI-LIKE SOLUTIONS ON ALMOST CONTACT B-METRIC MANIFOLDS: A REVIEW

Todor Zh. Mollov, CORRECTION OF THE BIG BAND THEORY AND CYCLE UNIVERSE

Nako Nachev, ON THE FREE DISTRIBUTIVE LATTICES

Marta Teofilova, CONJUGATE CONNECTIONS AND STATISTICAL STRUCTURES ON ALMOST NORDEN MANIFOLDS

Maria Vasileva, Anna Malinova, Olga Rahneva, Evgenia Angelova, NEW PROPERTIES OF THE ODD WEIBULL INVERSE TOPP-LEONE CUMULATIVE DISTRIBUTION FUNCTION