In this paper, we discuss the non-decomposability of lattices over Z[(-5)～(1/2)] All lattices of rank 2 with discriminant 2 are found and the lattices of rank n ≥3 with discriminant 2 are constructed.
文摘In this paper, we discuss the non-decomposability of lattices over Z[(-5)～(1/2)] All lattices of rank 2 with discriminant 2 are found and the lattices of rank n ≥3 with discriminant 2 are constructed.
