Unitary equivalence to a truncated Toeplitz operator: analytic symbols     Toeplitz operator  model space  truncated Toeplitz operator       font style='font-size:12px;'> 2011/2/24

Unlike Toeplitz operators on H2, truncated Toeplitz operators do not have a natural matricial characterization. Consequently, these operators are difficult to study numerically.

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Hochster's Theta Pairing and Algebraic Equivalence     Hochster's Theta Pairing  Algebraic Equivalence       font style='font-size:12px;'> 2010/11/24

We define a variant of Hochster's theta pairing and prove that it is constant in flat families of modules over hypersurfaces with isolated singularities. As a consequence, we show that the theta pair...

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