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A Note on the Iwasawa .LAMBDA.-Invariants of Real Abelian Number Fields.
Let k be a real abelian number field with Galois group Δ and p an odd prime number. Assume that the order of Δ is not divisible by p. Let Ψ be an irreducible Qp-character of Δ. Denote by λp(Ψ ) the Ψ-component of the λ-invariant associated to the cyclotomic …