Efficient algorithms for computing the nearest polynomial with a real root and related problems
Approximate polynomial greatest common divisors and nearest singular polynomials
Proceedings of the 1996 international symposium on Symbolic and algebraic computation - ISSAC ’96
Proceedings of the 1999 international symposium on Symbolic and algebraic computation - ISSAC ’99
N. Karmarkar
Erich Kaltofen
Markus A. Hitz
On computing nearest singular hankel matrices