%0 Journal Article %A Faustmann, Markus %A Melenk, Jens Markus %A Parvizi, Maryam %T On the stability of Scott-Zhang type operators and application to multilevel preconditioning in fractional diffusion %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2021 %P 595-625 %V 55 %N 2 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/m2an/2020079/ %R 10.1051/m2an/2020079 %G en %F M2AN_2021__55_2_595_0