Strictly Commutative Complex Orientations of $Tm{f}_1(N)$

Abstract

We construct by adapting methods and results of Ando, Hopkins, Rezkand Wilson combined with results of Hopkins and Lawson strictly commu-tative complex orientations for the spectra of topological modular forms with level ${\Gamma }_1(N)$.

References in corpus (2)

• Units of ring spectra, orientations, and Thom spectra via rigid infinite loop space theory
• Norm coherence for descent of level structures on formal deformations