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arxiv: math/0612721 · v1 · submitted 2006-12-22 · 🧮 math.DS · math.NT

Invariant measures and the set of exceptions to Littlewood's conjecture

classification 🧮 math.DS math.NT
keywords conjectureexceptionsinvariantlittlewoodmeasurespositiveactionapply
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We classify the measures on SL (k,R)/SL (k,Z) which are invariant and ergodic under the action of the group A of positive diagonal matrices with positive entropy. We apply this to prove that the set of exceptions to Littlewood's conjecture has Hausdorff dimension zero.

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