| Part 1/2 |
Square matrices that are singular at limit
(LP), branch (BP), and Hopf points, and their determinants
as test functions (00:00) Nonsingular bordering of singular matrices with rank drop 1 (29:00) Test function for a singularity (36:23) |
| Part 2/2 |
Derivative of the test function for a
singularity (12:40) Regularity of the test function for LP (12:40) Regularity of the test function for BP (19:00) |