Some considerations on permutation trees. - A. Panayotopoulos (Discret. Math., 1983)

Generating stable permutations. - A. Panayotopoulos (Discret. Math., 1986)

The matching property of nested sets. - A. Panayotopoulos; Aristidis Sapounakis; Panagiotis Tsikouras (Australas. J Comb., 1997)

Matching generalized nested sets. - A. Panayotopoulos; Aristidis Sapounakis; Panagiotis Tsikouras (Australas. J Comb., 1999)

Properties of closed meanders. - J. Barraud; A. Panayotopoulos; Panagiotis Tsikouras (Ars Comb., 2003)

On Motzkin words and noncrossing partitions. - A. Panayotopoulos; Aristidis Sapounakis (Ars Comb., 2003)

Meandric polygons. - A. Panayotopoulos; Panayiotis M. Vlamos (Ars Comb., 2008)

Cutting Degree of Meanders. - A. Panayotopoulos; Panayiotis M. Vlamos (AIAI (2), 2012)

Partitioning the Meandering Curves. - A. Panayotopoulos; Panayiotis M. Vlamos (Math. Comput. Sci., 2015)