On Operator Sum and Product Adjoints and Closures
2011 ◽
Vol 54
(3)
◽
pp. 456-463
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Keyword(s):
AbstractWe comment on domain conditions that regulate when the adjoint of the sum or product of two unbounded operators is the sum or product of their adjoints, and related closure issues. The quantum mechanical problem PHP essentially selfadjoint for unbounded Hamiltonians is addressed, with new results.
1991 ◽
Vol 39
(2)
◽
pp. 173-181
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Keyword(s):
1976 ◽
Vol 17
(6)
◽
pp. 888-893
◽
2006 ◽
Vol 39
(15)
◽
pp. 4011-4046
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Keyword(s):
1993 ◽
Vol 8
(4)
◽
pp. 525-529
◽
Keyword(s):
1973 ◽
Vol 6
(4)
◽
pp. 349-350
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Keyword(s):