All Stories

  1. The Spectral Property (ωπ): Equivalent Operators in Functionals, Families of Operators, and Tensor Products

    Article • Mathematics, February 2026, MDPI AG

    Elvis Aponte

  2. Static spectra and static families of Fredholm-type operators under tensor product

    Article • Arab Journal of Basic and Applied Sciences, September 2025, Taylor & Francis

    Elvis Aponte

  3. Continuous functions on primal topological spaces induced by group actions

    Article • AIMS Mathematics, January 2025, Tsinghua University Press

    Elvis Aponte

  4. The a-Weyl's theorem and the upper semi-Fredholm spectrum

    Article • AIMS Mathematics, January 2024, Tsinghua University Press

    Elvis Aponte

  5. On Semi-Continuous and Clisquish Functions in Generalized Topological Spaces

    Article • Axioms, January 2023, MDPI AG

    Elvis Aponte

  6. Property (Bv) and Tensor Product

    Article • Symmetry, September 2022, MDPI AG

    Elvis Aponte

  7. Tensor Product of Operators Satisfying Zariouh’s Property (gaz), and Stability under Perturbations

    Article • Axioms, May 2022, MDPI AG

    Elvis Aponte

  8. Shock determination in a two‐stage decision‐making model: The case of COVID‐19 in Colombia

    Article • Managerial and Decision Economics, January 2022, Wiley

    Elvis Aponte

  9. Perturbation Theory for Property (VE) and Tensor Product

    Article • Mathematics, November 2021, MDPI AG

    Dr. José Eduardo Sanabria, Elvis Aponte

  10. B-Fredholm Spectra of Drazin Invertible Operators and Applications

    Article • Axioms, June 2021, MDPI AG

    Dr. José Eduardo Sanabria, Elvis Aponte

  11. Polaroid type operators under perturbations

    Article • Studia Mathematica, January 2013, Institute of Mathematics, Polish Academy of Sciences

    Elvis Aponte

  12. Property (R) under Perturbations

    Article • Mediterranean Journal of Mathematics, January 2012, Springer Science + Business Media

    Elvis Aponte

  13. Weyl Type Theorems for Left and Right Polaroid Operators

    Article • Integral Equations and Operator Theory, January 2010, Springer Science + Business Media

    Elvis Aponte