The norm estimate of the difference between the Kac operator and the Schrodinger semigroup: A unified approach to the nonrelativistic and relativistic cases
被引:12
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作者:
Ichinose, T
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Kanazawa Univ, Fac Sci, Dept Math, Kanazawa, Ishikawa 9201192, JapanKanazawa Univ, Fac Sci, Dept Math, Kanazawa, Ishikawa 9201192, Japan
Ichinose, T
[1
]
Takanobu, S
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Kanazawa Univ, Fac Sci, Dept Math, Kanazawa, Ishikawa 9201192, JapanKanazawa Univ, Fac Sci, Dept Math, Kanazawa, Ishikawa 9201192, Japan
Takanobu, S
[1
]
机构:
[1] Kanazawa Univ, Fac Sci, Dept Math, Kanazawa, Ishikawa 9201192, Japan
An L-P operator norm estimate of the difference between the Kac operator and the Schrodinger semigroup is proved and used to give a variant of the Trotter product formula for Schrodinger operators in the L-P operator norm. The method of the proof is probabilistic based on the Feynman-Kac formula. The problem is discussed in the relativistic as well as nonrelativistic case.