We present here three examples concerning polynomial hulls of some manifolds in C2.
1. Some real surfaces with equation w = P (z,z') + G(z) where P is a homogeneous polynomial of degree n and G(z) = o(|z|n) at 0 which are locally polynomially convex at 0.
2. Some real surfaces MF with equation w = zn+kz'n + F(z,z') such that the hull of Mf n B'(0,1) contains a neighbourhood of 0.
3. A contable union of totally real planes (Pj) such that B'(0,1) n (ÈjÎN Pj) is polynomially convex.
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