Topology of quadratic maps and hessians of smooth maps
暂无分享,去创建一个
In this paper we study sets of real solutions of systems of quadratic equations and inequalities. The results are used for the local study of more general systems of smooth equations and inequalities.
[1] V V Nikulin,et al. Integral Symmetric Bilinear Forms and Some of Their Applications , 1980 .
[2] Loring W. Tu,et al. Differential forms in algebraic topology , 1982, Graduate texts in mathematics.
[3] A. Vershik. Quadratic forms positive on a cone and quadratic duality , 1987 .