Condition number Condition numbers Number theory Condition metric Convex optimization Convexity Convexity properties Covariant Functions Gradient flow Homotopy method Homotopy methods Intermediate results Linear systems Lipschitz Lipschitz Riemannian structure Log-convex functions M-matrices Matrix algebra Non-smooth Path-following algorithm Piece-wise Polynomial system solving Polynomial systems Polynomials Riemannian structure Self-convexity Singular values Solution variety Stratification