Elsevier, Journal of Functional Analysis, 1(197), p. 151-161, 2003
DOI: 10.1016/s0022-1236(02)00070-8
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We prove an optimal logarithmic Sobolev inequality in W1,p(Rd). Explicit minimizers are given. This result is connected with best constants of a special class of Gagliardo–Nirenberg-type inequalities.