## 月曜解析セミナー：On the spectra of discrete Laplacians on forms

2018年 　 6月 25日 15時 00分 ～ 2018年 　 6月 25日 16時 30分

Hela Ayadi (Naval Academy, Tunisia)

In the context of infinite weighted graphs, we consider the discrete Laplacians on 0-forms and 1-forms. Using Weyl's criterion, we prove the relation between the nonzero spectrum of these two Laplacians. Moreover, we give an extension of the work of John Lott to characterize their 0-spectrum.