Classification of $3\mathrm{mod}5$ arcs in $\mathrm{PG}(3,5)$

Sascha Kurz, Ivan Landjev, Assia Rousseva

The proof of the non-existence of Griesmer $[104,4,82{]}_5$-codes is just one of many examples where extendability results are used. In a series of papers Landjev and Rousseva have…