The sharp lower bound for the first positive eigenvalue of the Folland–Stein operator on a closed pseudohermitian (2n+ 1)-manifold
2003 ◽
Vol 132
(3)
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pp. 789-798
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2006 ◽
Vol 30
(1)
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pp. 81-96
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Keyword(s):
2016 ◽
Vol 41
(4)
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pp. 2011-2018
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2015 ◽
Vol 91
(3)
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pp. 353-367
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