Marc Chardin

collaborators

2 papers

math.AC2026

Multiple Tor modules: rigidity and Mayer-Vietoris spectral sequences

Arindam Banerjee, Marc Chardin, Rafael Holanda

We extend some properties of a pair of ideals described in terms of Tor modules to any number of ideals, including the well-known rigidity property. Those extensions require the de…

math.AC2026

Curves in $P^{n}$ of analytic spread at most $n$

Marc Chardin, Clare D'Cruz

We study closed subschemes $X$ in $P^{n}$ of dimension one, locally defined at any point by at most $n$ equations such that the analytic spread of $I_{m}$ is at…

Multiple Tor modules: rigidity and Mayer-Vietoris spectral sequences

Curves in Pn of analytic spread at most n

Curves in $P^{n}$ of analytic spread at most $n$