Weyl formula for hypoelliptic operators of Schrödinger type

Buzano, Ernesto; Ziggioto, Andrea

doi:10.1090/S0002-9939-02-06701-1

Weyl formula for hypoelliptic operators of Schrödinger type
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by Ernesto Buzano and Andrea Ziggioto PDF

Proc. Amer. Math. Soc. 131 (2003), 265-274 Request permission

Abstract:

In this work we consider a general class of hypoelliptic operators, for which we give an estimate of the remainder of the so-called Weyl asymptotic formula for the eigenvalues.

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