The relative cohomology of formal contact vector fields
with respect to formal Poisson vector fields,
J. Math. Soc. Japan, Vol. 60, No. 1 (2008) pp. 117-125.
[J-STAGEへ]
[Project Euclidへ]
The cohomology of the Lie algebras of
formal Poisson vector fields and Laplace operators,
Tokyo J. Math., Vol. 32, No. 1 (2009) pp. 105-111.
[Project Euclidへ]