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Killing tensors and warped product

100%

Jelonek W.

Annales Polonici Mathematici

2000

tom 75

nr 1

15-33

We present some examples of Killing tensors and give their geometric interpretation. We give new examples of non-compact complete and compact Riemannian manifolds whose Ricci tensor ϱ satisfies the condition $∇_{X} ϱ(X,X) = 2/(n+2) Xτg(X,X)$

On some new spectral estimates for Schrödinger-like operators

75%

Levin D.

Open Mathematics

2006

tom 4

nr 1

123-137

We prove the analog of the Cwikel-Lieb-Rozenblum estimate for a wide class of second-order elliptic operators by two different tools: Lieb-Thirring inequalities for Schrödinger operators with matrix-valued potentials and Sobolev inequalities for warped product spaces.

Ograniczanie wyników

1 Annales Polonici Mathematici

1 Open Mathematics

1 Jelonek W.

1 Levin D.

1 2006

1 2000

Wyniki wyszukiwania

Killing tensors and warped product

On some new spectral estimates for Schrödinger-like operators