**Volume XVI, 2005**

**Special issue devoted to papers
originated from the **

**4 ^{th} Conference on
Poisson Geometry**

**Plenary talks**

M. Bordemann, (Bi)Modules,
morphisms, and
reduction of star-products: the symplectic case, foliations, and obstructions,
9-40

H. Bursztyn, M. Crainic, and P.
Severa,
Quasi-Poisson structures as Dirac structures, 41-52

M. Crainic and R. L.
Fernandes, Rigidity and
Flexibility in Poisson Geometry, 53-68

B. L. Davis and A. Wade, Nonlinearizability of
certain Poisson structures near a symplectic leaf, 69-85

P. Foth and Y. Hu, Toric degenerations of weight
varieties and applications, 87-105

K. Grabowska, J. Grabowski, and P.
Urbanski,
Frame-independent mechanics: geometry on affine bundles, 107-120

P. Severa, Some title containing the words "homotopy"
and "symplectic", e. g. this one, 121-137

I. Vaisman, Poisson structures on foliated
manifold, 139-161

Th. Th. Voronov, Higher Derived Brackets for
Arbitrary Derivations, 163-186

A. Weinstein and M. Zambon, Variations on
Prequantization, 187-219

**Posters**

I. Calvo and F. Falceto,
Poisson-Dirac branes in
Poisson-Sigma models, 221-228

E. Karolinsky and S.
Lyapina, Lagrangian
subalgebras in g x g where
g is a real simple Lie algebra of
real rank one, 229-236

J. Kubarski, Primary and flat secondary
characteristic classes for Lie algebroids, review and problems, 237-254

K. Mikami and T. Mizutani,
Lie Algebroid Associated with an Almost Dirac Structure, 255-264

F. Petalidou and J. M. Nunes da Costa, Dirac
structures for generalized Courant and Courant algebroids, 265-272

Xiang Tang, A Counter Example of Invariant
Deformation Quantization, 273-283

Hsian-Hua Tseng and Chenchang Zhu, Integrating
Poisson manifolds via stacks, 285-297

**Others**

M. Bangoura, Algèbres
quasi-Gerstenhaber différentielles, 299-314

Y. Kosmann-Schwarzbach and C.
Laurent-Gengoux,
The modular class of a twisted Poisson structure, 315-339

Abstracts of the talks presented at the conference, 341-347