Abstract
In this paper we study closed range operators on a Hilbert space such that the range is contained in the range of its adjoint. Some results pertaining to these operators and operator matrices are discussed.
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The research work is supported by UGC-SAP-DRS-II Grant No. F.510/3/DRS/2009/SAP-1 provided to the Department of Mathematics, Sardar patel University. The second author is also supported by UGC-JRF Grant
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Patel, A.B., Shekhawat, M.P. Hypo-EP operators. Indian J Pure Appl Math 47, 73–84 (2016). https://doi.org/10.1007/s13226-015-0168-x
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DOI: https://doi.org/10.1007/s13226-015-0168-x