DEs-PartA-Sheet2-2025

The first half of the problem sheet is on maximal existence interval and a priori estimates as well as on  systems of ODEs covered in sections 1.7-1.8 and 1.9 of the lecture notes. 

The second half of the problem sheet is on plane autonomous systems, in particular the classification of critical points, covered in sections 2.1-2.3 of the lecture note.