Commentarii mathematici Universitatis Sancti Pauli Rikkyo University 59(2) (20101200)

Primitivity of sublattices generated by classes of curves on an algebraic surface	77-95
On Multi-Quadratic Gauss Sums	97-117
Infinite Compositions of Quadratic Polynomials	119-143
A Note on Distinct Nilpotency Decomposition of Polynomial Ideals over Finite Fields	145-164