Spectral 2-actions, foams, and frames in the spectrification of Khovanov arc algebras

Anne Dranowski, Meng Guo, Aaron Lauda +1

Leveraging skew Howe duality, we show that Lawson-Lipshitz-Sarkar's spectrification of Khovanov's arc algebra gives rise to 2-representations of categorified quantum groups over $\…