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  1. An AI App to Help Find Fetal Heart Problems

    Article • TIES Revista de Tecnología e Innovación en Educación Superior, September 2025, Universidad Nacional Autonoma de Mexico

    Julio César Pérez-Sansalvador

  2. Handling Missing Air Quality Data Using Bidirectional Recurrent Imputation for Time Series and Random Forest: A Case Study in Mexico City

    Article • AI, September 2025, MDPI AG

    Julio César Pérez-Sansalvador

  3. Factors Associated with COVID-19 Mortality in Mexico: A Machine Learning Approach Using Clinical, Socioeconomic, and Environmental Data

    Article • Machine Learning and Knowledge Extraction, June 2025, MDPI AG

    Julio César Pérez-Sansalvador

  4. Emergency Messaging System for Urban Vehicular Networks Inspired by Social Insects’ Stigmergic Communication

    Article • Future Internet, March 2025, MDPI AG

    Julio César Pérez-Sansalvador

  5. AQuA-P: AI tool for water quality assessment

    Article • Journal of Contaminant Hydrology, February 2025, Elsevier

    Lorena Díaz-González, Julio César Pérez-Sansalvador

  6. Comprehensive Optical Characterization and Refractive Index Optimization of Agar-Based Phantoms with Varying Ink and Nanoparticle Concentrations

    Article • January 2025, Springer Science + Business Media

    Julio César Pérez-Sansalvador

  7. DiFastBit: Transaction Differentiation Scheme to Avoid Double-Spending for Fast Bitcoin Payments

    Article • Mathematics, August 2024, MDPI AG

    Julio César Pérez-Sansalvador

  8. Unlocking Blockchain UTXO Transactional Patterns and Their Effect on Storage and Throughput Trade-Offs

    Article • Computers, June 2024, MDPI AG

    Julio César Pérez-Sansalvador

  9. Pedestrian–vehicle interactions at unsignalized mid-block crosswalks: Effects on traffic flow, CO2

    Article • Physica A Statistical Mechanics and its Applications, November 2023, Elsevier

    Julio César Pérez-Sansalvador

  10. A Constructive Heuristic for the Uniform Capacitated Vertex k -center Problem

    Article • ACM Journal of Experimental Algorithmics, August 2023, ACM (Association for Computing Machinery)

    Prof Roger Z Ríos-Mercado, Julio César Pérez-Sansalvador

  11. Compact Integer Programs for Depot-Free Multiple Traveling Salesperson Problems

    Article • Mathematics, July 2023, MDPI AG

    Julio César Pérez-Sansalvador

  12. Quantum computing for signal processing: Quantum one-dimensional Integer wavelet S-Transform (QIST)

    Article • Information Sciences, April 2023, Elsevier

    Julio César Pérez-Sansalvador

  13. Quantum Block Representation by Basis States: QBRBS

    Article • September 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Julio César Pérez-Sansalvador

  14. Numerical solution of the proliferation-invasion model for brain glioblastomas

    Article • August 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Julio César Pérez-Sansalvador

  15. Graph Burning: Mathematical Formulations and Optimal Solutions

    Article • Mathematics, August 2022, MDPI AG

    Julio César Pérez-Sansalvador

  16. Burning Graphs Through Farthest-First Traversal

    Article • IEEE Access, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Julio César Pérez-Sansalvador

  17. Coordination-free Multi-domain NFV Orchestration for Consistent VNF Forwarding Graph Reconfiguration

    Article • IEEE Transactions on Network and Service Management, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Julio César Pérez-Sansalvador

  18. Effect of Interactions between Vehicles and Mid-Block Crosswalks on Traffic Flow and CO2 Emission

    Article • Applied Sciences, December 2021, MDPI AG

    Julio César Pérez-Sansalvador

  19. VNF-based network service consistent reconfiguration in multi-domain federations: A distributed approach

    Article • Journal of Network and Computer Applications, December 2021, Elsevier

    Julio César Pérez-Sansalvador

  20. What is the relationship between speed humps/bumps and traffic emissions (CO2, NOx, PM and VOC)?

    Article • Applied Sciences, February 2020, MDPI AG

    Julio César Pérez-Sansalvador

  21. Software system design based on patterns for Newton-type methods

    Article • Computing, September 2019, Springer Science + Business Media

    Julio César Pérez-Sansalvador

  22. Approximation Algorithms for the Vertex K-Center Problem: Survey and Experimental Evaluation

    Article • IEEE Access, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Julio César Pérez-Sansalvador

  23. Collaborative Data-Foraging Based on Spatio-Temporal Indirect Communication

    Article • IEEE Access, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Julio César Pérez-Sansalvador

  24. Using Design Patterns to Solve Newton--type Methods

    Article • October 2016, Springer Science + Business Media

    Julio César Pérez-Sansalvador

  25. Applying Design Patterns on an object-oriented architecture for Multirate Integration Methods

    Article • February 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Julio César Pérez-Sansalvador