Research/Pesquisa

Publications

• N. Martins, P.G. Mattos, R. Varão. Folding and Metric Entropies for Extended Shifts. J Dyn Diff Equat (2026). [doi]
• P. Mehdipour, N. Martins. Encoding n-to-1 baker’s transformations. Arch. Math. 119, 199–211 (2022) [doi]

Preprints

• N. Martins, P. Mehdipour, R. Varão. Ornstein isomorphism theorem for n-to-1 LM-Bernoulli transformations. in preparation. (2025)

Conference Papers

• N. Martins, P. Mehdipour. Ergodicity of a 2-to-1 baker map. Proceeding Series of the Brazilian Society of Computational and Applied Mathematics. v.8, n.1 (2021) [doi] [pdf]

Thesis

• N. Martins. Ornstein theory for extended symbolic dynamics. [slides] [PhD Thesis]

• N. Martins. The Baker Map 2-to-1. [Master’s Dissertation]

Undergraduate Research Students

• Eric Weber de Melo Ferreira. Dinâmica Simbólica: Shifts de Tipo Finito e Sombreamento.
• Laura Fernandes Pires. Dinâmica de Transformações no Círculo.

Photo with the team at International Mathematics Days 2026.