Geodesic
On Intertwining and Factorization by Self-Adjoint Operators
Canadian mathematical bulletin, Tome 21 (1978) no. 1, pp. 47-51

Voir la notice de l'article provenant de la source Cambridge University Press

In this paper we first study the equality of two operators whose values at each point satisfy certain inequalities, and then, somehow related, we examine the possibility of writing certain operators as products of two self-ad joint operators. 
Lin, C.-S.; Radjabalipour, M. On Intertwining and Factorization by Self-Adjoint Operators. Canadian mathematical bulletin, Tome 21 (1978) no. 1, pp. 47-51. doi: 10.4153/CMB-1978-008-6
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