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Continuity of operators intertwining with translation operators on hypergroups
Aequationes Mathematicae ( IF 0.9 ) Pub Date : 2020-08-14 , DOI: 10.1007/s00010-020-00745-y Vishvesh Kumar , Ritumoni Sarma
中文翻译:
运算符在超群上与翻译运算符交织的连续性
更新日期:2020-08-14
Aequationes Mathematicae ( IF 0.9 ) Pub Date : 2020-08-14 , DOI: 10.1007/s00010-020-00745-y Vishvesh Kumar , Ritumoni Sarma
Let K be a commutative or compact hypergroup. Let \(\mu \) be a bounded complex-valued Borel measure on K, and let \(T_\mu \) be the corresponding convolution operator of \(L^1(K)\). Let S be a bounded linear operator on a Banach space X. We prove that every linear operator \(\Psi : X \rightarrow L^1(K)\) such that \(\Psi S=T_\mu \Psi \) is continuous if and only if the pair \((S,T_\mu )\) has no critical eigenvalues.
中文翻译:
运算符在超群上与翻译运算符交织的连续性
令K为可交换或紧的超群。令\(\ mu \)为K上的有界复值Borel度量,令\(T_ \ mu \)为\(L ^ 1(K)\)的卷积算子。令S为Banach空间X上的有界线性算子。我们证明每个线性算子\(\ Psi:X \ rightarrow L ^ 1(K)\)使得\(\ Psi S = T_ \ mu \ Psi \)连续且仅当对\((S, T_ \ mu)\)没有关键特征值。