Contents

Chapters in this book

1. Frontmatter I
2. Preface V
3. Contents VII
4. Wolmer Vasconcelos, a tribute IX
5. Vasconcelos Bibliography (1964–2024) XVII
6. The early years: flatness, projectivity, and R-sequences 1
7. Joint work with Wolmer Vasconcelos. The early years 41
8. Homological properties of the module of differentials 71
9. Hilbert coefficients and Sally modules: a survey of Vasconcelos’ contributions 97
10. Graph rings and ideals: Wolmer Vasconcelos’ contributions 133
11. Degrees: Vasconcelos contributions 203
12. The books of Wolmer V. Vasconcelos 241
13. Finding nilpotents with Wolmer Vasconcelos 261
14. Rees algebras over residual intersections 279
15. Structure theorems for Gorenstein ideals of codimension four with small number of generators 297
16. Sifted degrees of the equations of the Rees module and their connection with the Artin–Rees numbers 333
17. Reembeddings of special border basis schemes 353
18. Z r -graded rings and their canonical modules 389
19. Rings with q-torsionfree canonical modules 405