3 papers
cs.SC2026
Relating the Computational and Logical Difficulty of Solving ODEs: From Polynomial to Discontinuous Right-Hand Sides
Olivier Bournez, Alonso Núñez
When a computer algebra system fails to solve an Ordinary Differential Equation, is this a limitation of its implementation, or a genuine computational barrier? Three traditions be…
astro-ph.SR2025
Crowning the Queen: Membership, Age, Rotation, and Activity for the Open Cluster Coma Berenices
M. A. Agüeros, J. L. Curtis, A. Núñez +8
Despite being only 85 pc away, the open cluster Coma Berenices (Coma Ber) has not been extensively studied. This is due in part to its sparseness and low proper motion, which toget…
math.DS2025
The topological structure of isolated points in the space of -shifts
Silvère Gangloff, Alonso Núñez
R. Pavlov and S. Schmieding provided recently some results about generic -shifts, which rely mainly on an original theorem stating that isolated points form a residual…