Abstract
In this work we state conditions for a current Lie algebra to admit an invariant metric, where is a quadratic Lie algebra and is an associative and commutative algebra with unit. We show that if is an indecomposable quadratic Lie algebra, then admits an invariant metric if and only if also admits an invariant metric. In addition, we prove a theorem similar to the double extension for , where is an indecomposable, nilpotent and quadratic Lie algebra.
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