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math.DG2025
Range decreasing group homomorphisms and weighted composition operators
Ning Zhang
We present necessary and sufficient conditions for a group homomorphism between spaces of smooth sections of Lie group bundles to be a weighted composition operator. These results…
math.DG2024
The Minkowski problem for the non-compact convex set with an asymptotic boundary condition
Ning Zhang
In this paper, combining the covolume, we study the Minkowski theory for the non-compact convex set with an asymptotic boundary condition. In particular, the mixed covolume of two…