Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)

SIGMA 16 (2020), 095, 10 pages      arXiv:2007.04460      https://doi.org/10.3842/SIGMA.2020.095
Contribution to the Special Issue on Scalar and Ricci Curvature in honor of Misha Gromov on his 75th Birthday

Covariant vs Contravariant Methods in Differential Geometry

Maung Min-Oo
McMaster University, Hamilton, Ontario, Canada

Received July 14, 2020, in final form September 17, 2020; Published online September 30, 2020

Abstract
This is a short essay about some fundamental results on scalar curvature and the two key methods that are used to establish them.

Key words: scalar curvature; spinors; Dirac operator.

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