Mathematician
MSc. Student
dcheca [at] unal [dot] edu [dot] co
Research
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Nadji, M. L., Ahmia, M., Checa, D. F., & Ramírez, J. L. (2025). Arndt Compositions with Restricted Parts, Palindromes, and Colored Variants. Journal of Integer Sequences, 28, Article 25.3.6.
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Checa, D. F., & Ramírez, J. L. (2024). Arndt Compositions: A Generating Functions Approach. INTEGERS, 24, #A35.
Funding
- Jun. 2023 to Dec. 2023 (F. Sc. UNAL) | Applications Of Symbolic Computation And Combinatorics In The Quantitative Study Of Large Discrete Structures. Grant Number: 201 010 040 198.
Events
- Aug. 2025. International Conference on Enumerative Combinatorics and Applications, Virtual. Speaker.
- Jun. 2025. Días de Combinatoria, Bogotá, Colombia.
- Jul. 2024. Colombian Encounter of Tropical and Non-archimedean Geometry, Bogotá, Colombia.
- Jun. 2024. VIII ECCO - CIMPA Research School: Bridges between Algebra and Combinatorics, Popayán, Colombia. Poster.
- Nov. 2023. ALTENCOA 9, Cali, Colombia. Speaker.
- Sep. 2023. ICMAM Latin America Satellite Conference on Algebra, Combinatorics and Number Theory, Virtual.
- Sep. 2023. International Conference on Enumerative Combinatorics and Applications, Virtual.
- Jul. 2023. XXIII Colombian Congress of Mathematics. Speaker.
- Jun. 2022. VIII ECCO - CIMPA Research School: Geometric methods in combinatorics, Bogotá, Colombia.
- Sep. 2022. International Conference on Enumerative Combinatorics and Applications, Virtual.
Education
- 2024 - Present. Universidad de los Andes, MSc. Mathematics.
- 2018 - 2023. Universidad Nacional de Colombia, BSc. Mathematics.
Thesis: (2023) Arndt Compositions: Connections with Fibonacci Numbers, Statistics, and Generalizations.- Awarded as the Best Mathematics Bachelor’s Thesis in 2024.
- One of the Best National State Tests (Saber Pro) - 2022.
Work Experience
- 2024 - Present. Universidad de los Andes, Graduate Assistant - Mathematics Department.
- 2021 - 2023. Universidad Nacional de Colombia, Tutor - Grupos de Estudio Autónomo (GEA).