On the 2-crossed polymodules, pullback and pushout 2-crossed polymodulesM. A. Dehghani, B. Davvaz, M. AlpThe concepts of 2-crossed polymodule of polygroups, and pullback and pushout 2-crossed polymodules are introduced and some of their basic properties are investigated. In addition, the construction of pullback and pushout 2-crossed polymodules are described.Advanced Studies: Euro-Tbilisi Mathematical Journal, Vol. 16, supplement issue 1 (2023), pp. 27-45 |