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Author

Guillermo Sosa-Gómez

3 papers indexed here

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Open access Oct 2026

An Explicit Sextic Twist of a Supersingular Elliptic Curve in Characteristic Two

Let E:y2+y=x3+x over F2, a supersingular curve whose automorphism group is isomorphic to SL(2,3), of order twenty-four. Using an automorphism of order six, we construct the sextic twist of E along the fiber product of an Artin-Schreier and a Kummer covering, obtaining the family Z2+Z=B(t)X3+A(t)+c, in which the constan...

Guillermo Sosa-Gómez · 0 citations
Open access Sep 2026

Enhanced detection of regular graphical passwords in Passpoints through convex hull area analysis

Passpoints is a graphical authentication system presented as a viable alternative to traditional methods, owing to its security, usability, and low implementation cost. It requires the user to select five ordered points in an image, the configuration fixed by the Passpoints scheme. If the points selected by a user...

J. A. Herrera-Macías, C. M. Legón-Pérez, Lisset Suárez-Plasencia et al. · 0 citations
Open access Sep 2026

Sample-Conditional Mixtures of Entropy Estimators for Short Sequences Under a Uniform Marginal Null

The adaptive sample-conditional entropy diagnostic (ASED), in which a compact network trained offline maps a frequency-of-frequencies descriptor of the sample to convex mixture weights over six classical estimators, is introduced, and an oracle inequality bounding the excess risk of such a mixture by the L1 error of it...

Guillermo Sosa-Gómez · 0 citations

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