Palindromic and colored superdiagonal compositions
with J. L. Mantilla* and W. Olaya-León. Revista Colombiana de Matemáticas 56(2) (2022), 133-143. (pdf, web)
n-Color palindromic compositions with restricted subscripts
with J. Bravo, J. L. Herrera, and M. Shattuck. Proceedings Mathematical Sciencies (Springer). 131(9) (2021), 1–13. (web)
Some new restricted n-color composition functions
with J. R. Acosta*, Y. Caicedo, J. P. Poveda*, and M. ShattuckJournal of Integer Sequences, 22 (2019), Article 19.6.4. (web, pdf)
Combinatorial Properties of Lattice Paths
Partial Motzkin paths with air pockets of the first kind avoiding peaks, valleys or double rises
with J.L. Baril.Discrete Mathematics, Algorithms and Applications,17(5) (2025), 2450071. (pdf, web)
Counting subwords in non-decreasing Dyck paths,
with R. Flórez, L. Junes, L. Montoya. Journal of Integer Sequences,28 (2025), Article 25.1.6. (pdf, web)
Symmetries in Dyck paths with air pockets
with J.L. Baril and R. Flórez.Aequationes Mathematicae, 98 (2024), 1235-1264. (pdf, web)
Counting symmetric and asymmetric peaks in Motzkin paths with air pockets
with J.L. Baril and R. Flórez.The Australasian Journal of Combinatorics. 89(2) (2024), 323–343. (pdf, web)
Lattice paths in corridors and cyclic corridors
with R. Flórez, J. González*, M. Matijasevick*, C. Pardo*, L. Simbaqueba*, and F. Velandia*. Contributions to Discrete Mathematics, 19 (2), (2024), 35-55 (pdf, web)
Enumerating symmetric pyramids in Motzkin paths
with R. Flórez.Ars Mathematica Contemporanea, 23(4)(2023), #P4.06. (web, pdf).
Enumeration of Fuss-skew paths
with T. Mansour.Annales Mathematicae et Informaticae, 55 (2022), 125-136. (pdf, web)
On some relationships between snake graphs and Brauer configuration algebras
with P. Espinosa, J. González*, J. Herrán*, and A. Moreno. Algebra and Discrete Mathematics. 33 (2022), 29–59. (web, pdf)
Equivalence classes of skew Dyck paths module some patterns
with J.L. Baril and L. Simbaqueba*. INTEGERS, 22 (2022), #A24. (pdf, web)
A refinement of Dyck paths: A combinatorial approach
with R. Flórez, F. Velandia*, and D. Villamizar. Discrete Mathematics, Algorithms and Applications. 14(07) (2022). (web)
Counting prefixes of skew Dyck path
with J.L. Baril and L. Simbaqueba*.Journal of Integer Sequences, 24 (2021), Article 21.9.2. (pdf, web)
Counting asymmetric weighted pyramids in non-decreasing Dyck paths
with R. Flórez and L. Junes.The Australasian Journal of Combinatorics. 79(1) (2021), 123–140. (pdf, web)
Unimodality, linear recurrences and combinatorial properties associated to rays in the generalized Delannoy matrix
with S Amrouche and H. Belbachir. Journal of Difference Equations and Application, 25(8) (2019), 1200-1215. (web).
Some enumerations on non-decreasing Motzkin paths,
with R. Flórez.The Australasian Journal of Combinatorics. 72(1) (2018), 138–154. (web, pdf)
Further results on paths in an n-dimensional cubic lattice,
withR. Flórez and L. JunesJournal of Integer Sequences, 21 (2018), Article 18.1.2.(web, pdf).
The Pascal rhombus and the generalized grand Motzkin paths,
The Fibonacci Quarterly, 54(2) (2016), 99–104. (web, pdf, arXiv)
Applications in enumerative combinatorics of infinite weighted automata and graphs
with R. De Castro and A. Ramírez.Scientific Annals of Computer Science,24(1) (2014), 137–171. (web, pdf)