All Stories

  1. On Tabu Search for Block Cyphers Cryptanalysis

    Article • Cryptography, January 2026, MDPI AG

    Dr. Omar Rojas

  2. A Black-Box Analysis of the Capacity of ChatGPT to Generate Datasets of Human-like Comments

    Article • Computers, April 2025, MDPI AG

    Dr. Omar Rojas

  3. Structural Equation Modeling for Analyzing Pro-Environmental Behavior in Switzerland

    Article • Sustainability, April 2025, MDPI AG

    Dr. Omar Rojas

  4. New Weak Keys with Parity Patterns in the RC4 Stream Cipher

    Article • Cryptography, November 2024, MDPI AG

    Dr. Omar Rojas

  5. Combined and General Methodologies of Key Space Partition for the Cryptanalysis of Block Ciphers

    Article • Cryptography, October 2024, MDPI AG

    Dr. Omar Rojas

  6. New Test to Detect Clustered Graphical Passwords in Passpoints Based on the Perimeter of the Convex Hull

    Article • Information, July 2024, MDPI AG

    Dr. Omar Rojas

  7. Tourism Destination Performance and Competitiveness: The Impact on Revenues, Jobs, the Economy, and Growth

    Article • Journal of Tourism and Services, June 2024, University College of Business in Prague

    Dr. Omar Rojas, Dr Miguel Angel Esquivias Padilla

  8. New Test to Detect Graphic Passwords Clustered in Passpoints, Based on the Perimeter of the Convex Hull

    Article • May 2024, MDPI AG

    Dr. Omar Rojas

  9. Practical Improvement in the Implementation of Two Avalanche Tests to Measure Statistical Independence in Stream Ciphers

    Article • Computation, March 2024, MDPI AG

    Dr. Omar Rojas

  10. Complexity Reduction in Analyzing Independence between Statistical Randomness Tests Using Mutual Information

    Article • Entropy, November 2023, MDPI AG

    Dr. Omar Rojas

  11. On the Fitness Functions Involved in Genetic Algorithms and the Cryptanalysis of Block Ciphers

    Article • Entropy, January 2023, MDPI AG

    Dr. Omar Rojas

  12. Time-Varying Granger Causality of COVID-19 News on Emerging Financial Markets: The Latin American Case

    Article • Mathematics, January 2023, MDPI AG

    Dr. Omar Rojas

  13. Transfer Entropy Granger Causality between News Indices and Stock Markets in U.S. and Latin America during the COVID-19 Pandemic

    Article • Entropy, October 2022, MDPI AG

    Dr. Omar Rojas

  14. Weak PassPoint Passwords Detected by the Perimeter of Delaunay Triangles

    Article • Security and Communication Networks, September 2022, Wiley

    Dr. Omar Rojas

  15. Local Search Trajectories over S-box space

    Article • Journal of Information Security and Applications, September 2022, Elsevier

    Dr. Omar Rojas

  16. An Empirical Investigation between FDI, Tourism, and Trade on CO2 Emission in Asia: Testing Environmental Kuznet Curve and Pollution Haven Hypothesis

    Article • International Journal of Energy Economics and Policy, July 2022, EconJournals

    Dr. Omar Rojas

  17. Conscious Exploration of Alpha-Cuts in the Parametric Solution of the School Bus Routing Problem with Fuzzy Walking Distance

    Article • Computational Intelligence and Neuroscience, June 2022, Wiley

    Dr. Omar Rojas

  18. Nexus between Technological Innovation, Renewable Energy, and Human Capital on the Environmental Sustainability in Emerging Asian Economies: A Panel Quantile Regression Approach

    Article • Energies, March 2022, MDPI AG

    Dr. Omar Rojas, Dr Miguel Angel Esquivias Padilla

  19. Construction of Boolean Functions from Hermitian Codes

    Article • Mathematics, March 2022, MDPI AG

    Dr. Omar Rojas

  20. Detection of DIAG and LINE Patterns in PassPoints Graphical Passwords Based on the Maximum Angles of Their Delaunay Triangles

    Article • Sensors, March 2022, MDPI AG

    Dr. Omar Rojas

  21. Electronic Voting System Using an Enterprise Blockchain

    Article • Applied Sciences, January 2022, MDPI AG

    Dr. Omar Rojas

  22. Improvements in the computing efficiency of the probabilities of the LIL test for the PRNG evaluation

    Article • Theoretical Computer Science, January 2022, Elsevier

    Dr. Omar Rojas

  23. Improved Objective Functions to Search for 8 × 8 Bijective S-Boxes With Theoretical Resistance Against Power Attacks Under Hamming Leakage Models

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

    Dr. Omar Rojas

  24. Probabilistic Evaluation of the Exploration–Exploitation Balance during the Search, Using the Swap Operator, for Nonlinear Bijective S-Boxes, Resistant to Power Attacks

    Article • Information, December 2021, MDPI AG

    Dr. Omar Rojas

  25. Components to foster organizational resilience in tourism SMEs

    Article • Business Process Re-engineering &amp Management Journal, November 2021, Emerald

    Dr. Omar Rojas

  26. Matheuristics for the Design of a Multi-Step, Multi-Product Supply Chain with Multimodal Transport

    Article • Applied Sciences, November 2021, MDPI AG

    Dr. Omar Rojas

  27. Measuring Avalanche Properties on RC4 Stream Cipher Variants

    Article • Applied Sciences, October 2021, MDPI AG

    Dr. Omar Rojas

  28. Information Theory Based Evaluation of the RC4 Stream Cipher Outputs

    Article • Entropy, July 2021, MDPI AG

    Dr. Omar Rojas

  29. Search-Space Reduction for S-Boxes Resilient to Power Attacks

    Article • Applied Sciences, May 2021, MDPI AG

    Dr. Omar Rojas

  30. Study of Parameters in the Genetic Algorithm for the Attack on Block Ciphers

    Article • Symmetry, May 2021, MDPI AG

    Dr. Omar Rojas

  31. Selecting an Effective Entropy Estimator for Short Sequences of Bits and Bytes with Maximum Entropy

    Article • Entropy, April 2021, MDPI AG

    Dr. Omar Rojas

  32. Test for Detection of Weak Graphic Passwords in Passpoint Based on the Mean Distance between Points

    Article • Symmetry, April 2021, MDPI AG

    Dr. Omar Rojas

  33. A New Family of Boolean Functions with Good Cryptographic Properties

    Article • Axioms, March 2021, MDPI AG

    Dr. Omar Rojas

  34. Time‐varyingcausality between bond and oil markets of the United States: Evidence from over one and half centuries of data

    Article • International Journal of Finance & Economics, February 2021, Wiley

    Dr. Omar Rojas

  35. Analysis of the Number of Sides of Voronoi Polygons in PassPoint

    Article • January 2021, Springer Science + Business Media

    Dr. Omar Rojas

  36. Effectiveness of Some Tests of Spatial Randomness in the Detection of Weak Graphical Passwords in Passpoint

    Article • January 2021, Springer Science + Business Media

    Dr. Omar Rojas

  37. Bit Independence Criterion Extended to Stream Ciphers

    Article • Applied Sciences, October 2020, MDPI AG

    Dr. Omar Rojas

  38. Factors to Foster Organizational Sustainability in Tourism SMEs

    Article • Sustainability, October 2020, MDPI AG

    Dr. Omar Rojas

  39. Sensory expectations from aesthetic perceptions of coffee beverages presented in different mugs

    Article • Journal of Culinary Science & Technology, September 2020, Taylor & Francis

    Dr. Omar Rojas

  40. Metaheuristics in the Optimization of Cryptographic Boolean Functions

    Article • Entropy, September 2020, MDPI AG

    Dr. Omar Rojas

  41. FACTORS ASSOCIATED WITH ELECTRICITY LOSSES: A PANEL DATA PERSPECTIVE

    Article • International Journal of Energy Economics and Policy, August 2020, EconJournals

    Dr. Omar Rojas

  42. Measuring Independence between Statistical Randomness Tests by Mutual Information

    Article • Entropy, July 2020, MDPI AG

    Dr. Omar Rojas

  43. A Fixed Start Scheduling Approach for Repetitive Construction Projects

    Article • KSCE Journal of Civil Engineering, June 2020, Elsevier

    Dr. Omar Rojas

  44. FACTORS ASSOCIATED WITH ELECTRICITY THEFT IN MEXICO

    Article • International Journal of Energy Economics and Policy, March 2020, EconJournals

    Dr. Omar Rojas

  45. A systemic approach to self-management in SMEs. Case: Mexican lodging organisations

    Article • International Journal of Business Innovation and Research, January 2020, Inderscience Publishers

    Dr. Omar Rojas

  46. An Application of Hadamard Transform to Test Stream Ciphers

    Article • January 2020, Springer Science + Business Media

    Dr. Omar Rojas

  47. An Heuristic Algorithm to Calculate the Minimum Amount of Anesthesia Using MRI

    Article • January 2020, Springer Science + Business Media

    Dr. Omar Rojas

  48. Evolving Nonlinear S-Boxes With Improved Theoretical Resilience to Power Attacks

    Article • IEEE Access, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Omar Rojas

  49. Systems Thinking Approach to Sustainable Performance in RAMSAR Sites

    Article • Sustainability, November 2019, MDPI AG

    Dr. Omar Rojas

  50. Algorithm to detect and calculate the cerebrospinal fluid (CSF) through Magnetic Resonance Imaging (MRI)

    Article • EAI Endorsed Transactions on Pervasive Health and Technology, November 2019, Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (ICST)

    Dr. Omar Rojas

  51. A Bayesian study of changes in volatility of Bitcoin

    Article • Contaduría y Administración, February 2019, Universidad Nacional Autonoma de Mexico

    Dr. Omar Rojas

  52. A MILP and Genetic Algorithm Approach for a Furniture Manufacturing Flow Shop Scheduling Problem

    Article • January 2019, IGI Global

    Dr. Omar Rojas

  53. Multi-Objective Territory Design for Sales Managers of a Direct Sales Company

    Article • January 2019, IGI Global

    Dr. Omar Rojas

  54. Self-efficacy and job satisfaction as antecedents of citizenship behaviour in private schools

    Article • International Journal of Management in Education, January 2019, Inderscience Publishers

    Dr. Omar Rojas

  55. Design of experiments and response surface methodology to tune machine learning hyperparameters, with a random forest case-study

    Article • Expert Systems with Applications, November 2018, Elsevier

    Dr. Omar Rojas

  56. Determination of the Representative Socioeconomic Level by BSA in the Mexican Republic

    Article • Revista Perspectiva Empresarial, September 2018, Fundacion Universitaria Ceipa

    Dr. Omar Rojas

  57. An Empirical Analysis of the Relationships between Crude Oil, Gold and Stock Markets

    Article • The Energy Journal, September 2018, International Association for Energy Economics (IAEE)

    Dr. Omar Rojas

  58. Using Hadamard transform for cryptanalysis of pseudo-random generators in stream ciphers

    Article • EAI Endorsed Transactions on Energy Web, July 2018, Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (ICST)

    Dr. Omar Rojas

  59. Adaptive efficiency of the Mexican Stock Exchange

    Article • Academia Revista Latinoamericana de Administración, June 2018, Emerald

    Dr Semei Coronado, Dr. Omar Rojas

  60. Benchmarking Project-Driven Production in Construction Using Productivity Function: Capacity and Cycle Time

    Article • Journal of Construction Engineering and Management, March 2018, American Society of Civil Engineers (ASCE)

    Dr. Omar Rojas, Dr Michael J O'Sullivan

  61. Crude Oil and Biofuel Agricultural Commodity Prices

    Article • January 2018, Springer Science + Business Media

    Dr. Omar Rojas

  62. A Bayesian approach to model changes in volatility in the Mexican stock exchange index

    Article • Applied Economics, September 2017, Taylor & Francis

    Dr Semei Coronado, Dr. Omar Rojas

  63. Dynamics of Project-Driven Production Systems in Construction: Productivity Function

    Article • Journal of Computing in Civil Engineering, September 2017, American Society of Civil Engineers (ASCE)

    Dr. Omar Rojas

  64. Production Planning for a Company in the Industry of Compact Discs Mass Replications

    Article • June 2017, Springer Science + Business Media

    Dr. Omar Rojas

  65. SYNCHRONIZATION AND CHANGES IN VOLATILITIES IN THE LATIN AMERICAN'S STOCK EXCHANGE MARKETS

    Article • International Journal of Pure and Apllied Mathematics, April 2017, Academic Publications

    Dr Semei Coronado, Dr. Omar Rojas

  66. Causality patterns for Brent, WTI, and Argus oil prices

    Article • Applied Economics Letters, October 2016, Taylor & Francis

    Dr. Semei Coronado, Professor Thomas M Fullerton, Dr Semei Coronado, Dr. Omar Rojas

  67. A study of co-movements between U.S. and Latin American stock markets: A cross-bicorrelations perspective

    Article • DYNA, April 2016, Universidad Nacional de Colombia

    Dr. Semei Coronado, Dr Semei Coronado, Dr. Omar Rojas

  68. A model of negotiation scenarios based on time, relevance andcontrol used to define advantageous positions in a negotiation

    Article • Mercados y Negocios, April 2016, Universidad de Guadalajara

    Dr. Omar Rojas

  69. Adaptive market efficiency of agricultural commodity futures contracts

    Article • Contaduría y Administración, April 2015, Elsevier

    Dr. Semei Coronado, Dr Semei Coronado, Dr. Omar Rojas

  70. Traffic flow on realistic road networks with adaptive traffic lights

    Article • Journal of Statistical Mechanics Theory and Experiment, April 2011, Institute of Physics Publishing

    Dr. Omar Rojas

  71. Closed-form expressions for integrals of MKdV and sine-Gordon maps

    Article • Journal of Physics A Mathematical and Theoretical, October 2007, Institute of Physics Publishing

    Dr. Omar Rojas