Anthony Várilly Alvarado, raconte-moi comment utiliser la géométrie pour construire des codes pour le stockage à grande échelle !
En salle W au DMA, ou sur ZoomMotivated by large-scale storage problems around data loss, a budding branch of coding theory has surfaced in the last decade or so, centered around locally recoverable codes. A code is a subset of a finite-dimensional vector space over a finite field, chosen carefully so that all its elements are locally isolated, as if they were "repelling" each other. Each vector in a code is called a code word. Locally recoverable codes have the property that individual entries in a code word are functions of other entries in the same word. If an entry is accidentally lost, […]