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math.SG2021
Some Morse-type inequalities for symplectic manifolds
Thomas Machon
Morse-type inequalities are given for the symplectic versions of the Bott-Chern and Aeppli cohomology groups defined by Tseng and Yau.
cond-mat.mes-hall2021★ 1 cited
Stability of highly-twisted Skyrmions from contact topology
Yichen Hu, Thomas Machon
We describe a topological protection mechanism for highly-twisted two-dimensional Skyrmions in systems with Dyloshinskii-Moriya (DM) coupling, where non-zero DM energy density (dub…