3 papers
math.NA2026
Parallelisation of Discrete Exterior Calculus via Representation Theory on Curved and Three-Dimensional Meshes
Leon D. da Silva, Marcelo P. Santos, José D. da Silva +1
We establish a universal block-diagonalization framework for Discrete Exterior Calculus (DEC) operators on symmetric meshes, enabling embarrassingly parallel solvers with provable…
quant-ph2026
Lie-algebraic incompleteness of symmetry-adapted VQE for non-Abelian molecular point groups
Leon D. da Silva, Marcelo P. Santos
Symmetry-adapted variational quantum eigensolvers (VQE) based on the Unitary Coupled-Cluster ansatz (SymUCCSD) effectively reduce the parameter count for Abelian molecular point gr…
math.GR2025
PySymmetry: A Sage/Python Framework for the Symmetry Reduction of Linear G-Equivariant Systems
Leon D. da Silva, Marcelo P. Santos
Despite the prevalence of symmetry in scientific linear systems, these structural properties are often underutilized by standard computational software. This paper introduces PySym…