In this paper we obtain an approximation of the block numerical range of bounded and unbounded bl... more In this paper we obtain an approximation of the block numerical range of bounded and unbounded block operator matrices by projection methods.
In this paper we obtain an approximation of the block numerical range of bounded and unbounded bl... more In this paper we obtain an approximation of the block numerical range of bounded and unbounded block operator matrices by projection methods.
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Papers by Ahmed Muhammad