2 papers
cs.CR2026
Identity-Bound Academic Credentials on Blockchain: On-Chain Issuer Accreditation with ERC-3643 and OnchainID
Gonçalo Frutuoso, Diogo Rodrigues, Alexandre P. Francisco +1
Verifying academic credentials remains difficult: records are held by individual institutions in proprietary systems, verification is slow and manual, and counterfeit qualification…
math.OC2026
The Combined Van-and-Mopeds Routing Problem with Time Windows: Formulation, Variants, and Solution Methods
Pedro Lameiras, Alexandre P. Francisco, Adriano Serrano +2
We introduce and study the Combined Van-and-Mopeds Routing Problem with Time Windows (CVMRPTW), a novel variant of the heterogeneous fleet vehicle routing problem motivated by last…