| The structure of sandpile groups of outerplanar graphs CA Alfaro, RR Villagrán Applied Mathematics and Computation 395, 125861, 2021 | 7 | 2021 |
| Graphs with few trivial characteristic ideals CA Alfaro, MD Barrus, J Sinkovic, RR Villagrán Linear Algebra and its Applications 615, 155-174, 2021 | 4 | 2021 |
| Hadamard diagonalizable graphs of order at most 36 J Breen, S Butler, M Fuentes, B Lidický, M Phillips, AWN Riasanovksy, ... arXiv preprint arXiv:2007.09235, 2020 | 4 | 2020 |
| Algorithmic aspects of arithmetical structures CE Valencia, RR Villagrán Linear Algebra and its Applications 640, 191-208, 2022 | 2 | 2022 |
| Constructions of cospectral graphs with different zero forcing numbers A Abiad, B Brimkov, J Breen, TR Cameron, H Gupta, RR Villagrán arXiv preprint arXiv:2111.12343, 2021 | 2 | 2021 |
| The Strong Spectral Property of Graphs: Graph Operations and Barbell Partitions S Allred, E Curl, S Fallat, S Nasserasr, H Schuerger, RR Villagrán, ... Graphs and Combinatorics 40 (2), 1-25, 2024 | | 2024 |
| Distinguishing graphs with two integer matrices CA Alfaro, RR Villagrán, O Zapata arXiv preprint arXiv:2309.15365, 2023 | | 2023 |
| Arithmetical structures on dominated polynomials CE Valencia, RR Villagrán São Paulo Journal of Mathematical Sciences 17 (1), 430-439, 2023 | | 2023 |
| Distinguishing graphs by their spectra, Smith normal forms and complements A Abiad, CA Alfaro, RR Villagrán arXiv preprint arXiv:2304.07217, 2023 | | 2023 |
| The Characterization of Graphs Whose Sandpile Group has Fixed Number of Generators CA Alfaro, MD Barrus, J Sinkovic, RR Villagrán Extended Abstracts EuroComb 2021: European Conference on Combinatorics …, 2021 | | 2021 |
| Corrigendum to “The structure of sandpile groups of outerplanar graphs”[Applied Mathematics and Computation 395 (2021) 125861] CA Alfaro, RR Villagrán Applied Mathematics and Computation 398, 126022, 2021 | | 2021 |
