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)

Noncrossing partitions with fixed points. - Aristidis Sapounakis; Panagiotis Tsikouras (Australas. J Comb., 2003)

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

On the enumeration of noncrossing partitions with fixed points. - Aristidis Sapounakis; Panagiotis Tsikouras (Ars Comb., 2004)

Counting peaks and valleys in k-colored Motzkin paths. - Aristidis Sapounakis; Panagiotis Tsikouras (Electron. J. Comb., 2005)

Ordered trees and the inorder traversal. - Aristidis Sapounakis; Ioannis Tasoulas; Panagiotis Tsikouras (Discret. Math., 2006)

Some strings in Dyck paths. - Aristidis Sapounakis; Ioannis Tasoulas; Panagiotis Tsikouras (Australas. J Comb., 2007)

Counting strings in Dyck paths. - Aristidis Sapounakis; Ioannis Tasoulas; Panagiotis Tsikouras (Discret. Math., 2007)

Enumeration of strings in Dyck paths: A bijective approach. - Aristidis Sapounakis; Ioannis Tasoulas; Panagiotis Tsikouras (Discret. Math., 2009)

General Results on the Enumeration of Strings in Dyck Paths. - Kostas Manes; Aristidis Sapounakis; Ioannis Tasoulas; Panagiotis Tsikouras (Electron. J. Comb., 2011)

Strings of Length 3 in Grand-Dyck Paths and the Chung-Feller Property. - Aristidis Sapounakis; Panagiotis Tsikouras; Ioannis Tasoulas; Kostas Manes (Electron. J. Comb., 2012)

Nonleft peaks in Dyck paths: A combinatorial approach. - Kostas Manes; Aristidis Sapounakis; Ioannis Tasoulas; Panagiotis Tsikouras (Discret. Math., 2014)

Equivalence classes of ballot paths modulo strings of length 2 and 3. - Kostas Manes; Aristidis Sapounakis; Ioannis Tasoulas; Panagiotis Tsikouras (Discret. Math., 2016)

Counting pairs of noncrossing binary paths: A bijective approach. - Kostas Manes; Ioannis Tasoulas; Aristidis Sapounakis; Panagiotis Tsikouras (Discret. Math., 2019)

Chains with Small Intervals in the Lattice of Binary Paths. - Ioannis Tasoulas; Kostas Manes; Aristidis Sapounakis; Panagiotis Tsikouras (J. Integer Seq., 2020)