Proceedings of the International School and Workshop "Polynomial Automorphisms and Related Topics  
Preface 

Masayoshi Miyanishi, Qfactorial subalgebras of a polynomial ring 
113 
Mutsuo Oka, Note on boundary obstruction to Jacobian conjecture of two variables 
123

Ha Huy Vui and Pham Tien Son, An estimation of the number of bifurcation values for real polynomials 
141 
Eric Edo, Some families of polynomial automorphisms II 
155

Shreeram S. Abhyankar, Similarity method for the Jacobian problem 
169 
Ronen Peretz, The Jacobian variety 
177 
Tadeusz Krasiński, On the Lojasiewicz exponent at infinity of polynomial mappings 
189 
Pascal Kossivi Adjamagbo and Arno van den Essen, A proof of the equivalence of the Dixmier, Jacobian and Poisson conjectures 
205 
Stefan Maubach, On the methods to construct UFD counterexamples to a cancellation problem 
215 
David R. Finston, Additive group actions: quotients, invariants and cancellation 
223 
Michiel De Bondt, Herbie: A cubic linear counterexample to the dependence problem 
233 
Pierrette CassouNoguÌs , A note on a note by Mutsuo Oka 
243 
Shigeru Kuroda, Hilbert’s fourteenth problem and algebraic extensions with an appendix on Roberts type counterexamples 
247 
Wenhua Zhao, A vanishing conjecture on differential operators with constant coefficients 
259 
Nguyen Van Chau, A note on singularity and nonproper value set of polynomial maps of C^2 
287 
Le Dung Trang, The Jacobian conjecture for rational polynomials 
295 
Some open questions on polynomial automorphisms and related topics 
303 