Quadratic estimates for perturbed Dirac type operators on doubling measure metric spaces

Quadratic estimates for perturbed Dirac type operators on doubling measure metric spaces
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加倍测度度量空间上扰动狄拉克型算子的二次估计

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发表时间:
2011
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通讯作者:
Lashi Bandara
Lashi Bandara
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作者:
Lashi Bandara

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我们考虑Dirac型算子在完备连通度量空间上的扰动,该空间具有一个加倍测度。在一组适当的假设下,我们证明了此类算子的二次估计,从而推断出这些算子具有有界泛函演算。特别地,我们推导出Kato平方根型估计。
We consider perturbations of Dirac type operators on complete, connected metric spaces equipped with a doubling measure. Under a suitable set of assumptions, we prove quadratic estimates for such operators and hence deduce that these operators have a bounded functional calculus. In particular, we deduce a Kato square root type estimate.