Graph quasivarieties

Lehtonen Erkko, Pöschel Reinhard
2020

Permutation groups, pattern involvement, and Galois connections

Lehtonen Erkko, Pöschel Reinhard
2017

On the structure of some Tarski clones

Mašulović Dragan, Pöschel Reinhard
2004

Collapsing clones

Ihringer Thomas, Pöschel Reinhard
1993

Reflections on and of minor-closed classes of multisorted operations

Lehtonen Erkko, Pöschel Reinhard, Waldhauser Tamás
2018

Reflection-closed varieties of multisorted algebras and minor identities

Lehtonen Erkko, Pöschel Reinhard, Waldhauser Tamás
2018

Relationally defined clones of tree functions closed under selection or primitive recursion

Pöschel Reinhard, Semigrodskij Aleksander, Vogler Heiko
2004

Boolean systems of relations and Galois connections

Börner Ferdinand, Pöschel Reinhard, Sushchansky Vitaly
2002

Subvarieties of varieties generated by graph algebras

Kiss Emil W., Pöschel Reinhard, Prőhle Péter
1990

Invariance groups of finite functions and orbit equivalence of permutation groups

Katonáné Horváth Eszter, Makay Géza, Pöschel Reinhard, Waldhauser Tamás
2015