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math.FA2013★ 5 cited
A Note on Tetrablock Contractions
Haripada Sau
A commuting triple of operators on a Hilbert space is called a tetrablock contraction if the closure of the set $$ E = \{\underline{x}=(x_1,x_2,x_3)\in \mat…
math.FA2013
-unitaries, dilation and a natural example
Tirthankar Bhattacharyya, Haripada Sau
This note constructs an explicit normal boundary dilation for a commuting pair of bounded operators with the symmetrized bidisk $$Γ=\{(z_1+z_2,z_1z_2):|z_1|,|z_2| \leq 1\}$…