Variational Analysis of Functions of the Roots of Polynomials

• On the subdifferential regularity of max root functions for polynomials,
  with Julia Eaton, Journal of Nonlinear Analysis Series A: Theory, Methods & Applications, 75(2012) 1168--1187.
• Variational Analysis of Functions of the Roots of Polynomials,
  with Adrian Lewis and Michael Overton, Mathematical Programming, 104(2005) 263-292.
• Variational analysis of the abscissa mapping for polynomials via the Gauss-Lukas theorem,
  with Adrian Lewis and Michael Overton, J. Global Optimization, 28(2004), 259--268.
• Variational analysis of the abscissa mapping for polynomials,
  with Michael Overton, SIAM Journal on Control and Optimization, 39(2000), 1651--1676.