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An apparently easy-looking math problem has left internet users scratching their heads. The elementary-grade problem looks simple enough to solve in seconds, but has tripped up the masses. The basic ...

An associate dean at the University of Wisconsin-Madison has publicly called President Donald Trump a racist and co-authored an academic paper suggesting the American education system, and even ...

Abstract: This letter deals with linear algebraic equations where the global coefficient matrix and constant vector are given respectively, by the summation of the coefficient matrices and constant ...

"This is what we do every day," says Kirkkojarvi Comprehensive School principal Kari Louhivuori, "prepare kids for life." Stuart Conway It was the end of term at Kirkkojarvi Comprehensive School in ...

Abstract: Sparse linear system solvers are computationally expensive kernels that lie at the heart of numerous applications. This paper proposes a preconditioning framework that combines approximate ...