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Results tagged with computational-complexity
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user 95514
This is a branch that includes: computational complexity theory; complexity classes, NP-completeness and other completeness concepts; oracle analogues of complexity classes; complexity-theoretic computational models; regular languages; context-free languages; Komolgorov Complexity and so on.
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Fast matrix-vector product for structured matrices
Let $X\in\mathbb{C}^{m\times n}$ be a matrix that satisfies the Sylvester equation
$$AX-XB = F,\qquad A\in\mathbb{C}^{m\times m}, \quad B\in\mathbb{C}^{n\times n},$$
where $F\in\mathbb{C}^{m\times n} …
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