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Zeros of 2-adic -functions and congruences for class numbers and fundamental units
Authors:Daniel C Shanks  Patrick J Sime  Lawrence C Washington
Institution:Department of Mathematics, University of Maryland, College Park, MD 20742

Patrick J. Sime ; Department of Mathematics & Comp. Sci., Caldwell College, Caldwell, NJ 07006 ; Department of Mathematics, University of Maryland, College Park, MD 20742

Abstract:We study the imaginary quadratic fields such that the Iwasawa $\lambda _{2}$-invariant equals 1, obtaining information on zeros of $2$-adic $L$-functions and relating this to congruences for fundamental units and class numbers.

Keywords:Quadratic fields  $p$-adic $L$-functions
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