TL;DR
This textbook introduces advanced undergraduate students to differential topology through accessible, hands-on themes, emphasizing cobordism and transversality without requiring extensive background.
Contribution
It provides a collection of treatable themes in differential topology, developed from scratch with simple methods suitable for motivated undergraduates.
Findings
Accessible treatment of cobordism rings
Use of transversality with minimal prerequisites
Development of advanced topics from scratch
Abstract
This text arises from teaching advanced undergraduate courses in differential topology for the master curriculum in Mathematics at the University of Pisa. So it is mainly addressed to motivated and collaborative master undergraduate students, having nevertheless a limited mathematical background. Overall this text is a collection of themes, in some cases advanced and of historical importance, with the common feature that they can be treated with "bare hands". This means by just combining certain cut-and-paste procedures and applications of transversality, mainly through the multiplicative structure of the cobordism rings of every smooth compact manifold; topics developed from scratch along with the text.
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