The Pima County Board of Supervisors OK'd a resolution, 4-1, on Tuesday to oppose a federal compact between the University of ...

Parents of a U.S. Marine were detained by federal immigration officials and one of them was deported after visiting family members at a California military base, a case that drew attention to how the ...

Abstract: We consider computing the QR factorization with column pivoting (QRCP) for a tall and skinny matrix, which has important applications including low-rank approximation and rank determination.