O'Reilly logo

Elementary Differential Geometry by Christian Bär

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Appendix A    Hints for solutions to (most) exercises

1.1 Let L be the straight line containing p, q, r and s. Choose a point t not contained in L (I4). Let u be a point with t image image (A3). Then u is not contained in L. Put Limage L(r, t).

image

L′ does not contain any of the points p, q, s since otherwise L = L′ and hence t L. Moreover, L′ does not contain u since ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required