**Articles**

Forman-Ricci curvature for hypergraphs. Wilmer Leal, Guillermo Restrepo, Peter F. Stadler, Juergen Jost. *Advances in Complex Systems*, 24:01, 2150003, 2021*.* [BibTex] [ARXIV]

Computational data analysis shows that key developments towards the

periodic system occurred in the 1840s. Wilmer Leal, Eugenio Llanos, Andrés Bernal, Peter F. Stadler, Juergen Jost, Guillermo Restrepo. *ChemRxiv. Preprint*, 2021. [BibTex] [CHEMRXIV]

Dialectica Petri nets. Elena Di Lavore, Wilmer Leal, Valeria de Paiva. *arXiv:2105.12801*, 2021. [BibTeX] [ARXIV]

Edge-based analysis of networks: curvatures of graphs and hypergraphs. Marzieh Eidi, Amirhossein Farzam, Wilmer Leal, A. Samal, Juergen Jost. *Theory in Biosciences*, 139:4, 1-12, 2020.

BibTex`[`

[MIS-Prepint] [ARXIV]`]`

Curvature-based analysis of Directed Hypernetworks. Ricci curvature of random and empirical directed hypernetworks. Wilmer Leal, Marzieh Eidi, Juergen Jost. *Applied Network Science*, 5:65, 2020. [BibTex] [ARXIV]

The chemical space from which the periodic system arose. Wilmer Leal, Eugenio Llanos, Juergen Jost, Peter F. Stadler, Guillermo Restrepo. *ChemRxiv. Preprint*, 2019. [BibTex] [MIS-Prepint][ARXIV]

The exploration of the chemical space and its three historical regimes. Eugenio Llanos, Wilmer Leal, Duc H. Luu, Juergen Jost, Peter F. Stadler, Guillermo Restrepo. *Proceedings of the National Academy of Sciences of the United States of America*, 116:26, 12660-12665, 2019. [BibTex] [ARXIV]

Formal structure of periodic system of elements. Wilmer Leal, Guillermo Restrepo. *Proceedings of the Royal Society A*, 475:20180581, 2019. [BibTex] [MIS-Prepint] [ARXIV]

How frequently do clusters occur in hierarchical clustering analysis? A graph theoretical approach to studying ties in proximity. Wilmer Leal, Eugenio Llanos, Guillermo Restrepo, Carlos F. Suárez, Manuel Elkin Patarroyo. *Journal of Cheminformatics,* 8(1):4, 2016. [BibTex]

A Network Study of Chemical Elements: From Binary Compounds to Chemical Trends. Wilmer Leal, Guillermo Restrepo, Andrés Bernal. *MATCH Communications in Mathematical and in Computer Chemistry,* 68, 417–442, 2012. [BibTex]

**Book chapters**

Similarity in chemical reaction networks: categories, concepts and closures. Andrés Bernal, Wilmer Leal, Guillermo Restrepo. In: *Advances in Mathematical Chemistry and Applications*, *Vol. 2*, 24-54. *Elsevier*, 2015.

**Abstracts**

Curvature-based analysis of Directed Hypernetworks.
Wilmer Leal, Marzieh Eidi, Juergen Jost.
*The 8 th International Conference on Complex Networks & Their Applications*, *32-34*, 2019.

Wilmer Leal, Eugenio Llanos, Andrés Bernal Guillermo Restrepo, Duc H. Luu, Juergen Jost, Peter F. Stadler. Exploring the hypergraph structure underlying the chemical space. *NetSci-X 2020 Tokyo: International School and Conference on Network Science*, 2019.

Eugenio Llanos, Wilmer Leal, Andrés Bernal, Guillermo Restrepo, Juergen Jost, Peter F. Stadler. A Network model of the Chemical Space provides similarity structure to the system of chemical elements. *The 8 th International Conference on Complex Networks & Their Applications*, *308-310, *2019*.*

Eugenio Llanos, Wilmer Leal, Guillermo Restrepo, Peter F. Stadler. Computational approach to the history of chemical reactivity: Exploring Reaxys database. *Abstracts of Papers of the American Chemical Society, 254, *2017.

Wilmer Leal, Eugenio Llanos, Guillermo Restrepo, Carlos Suárez, Manuel Elkin Patarroyo. How frequent are your clusters in hierarchical cluster analysis? Quantifying their frequencies considering ties in proximity. *Abstracts of Papers of the American Chemical Society, 25*2, 2016.

Wilmer Leal, Guillermo Restrepo. Chemical elements, their sociology. *J. Sci. Edu.*, *10*, 126-127, 2009.