Indices of Orlicz spaces and some applications

Indices of Orlicz spaces and some applications
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发表时间:
1997
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通讯作者:
A. Fiorenza;M. Krbec
A. Fiorenza;M. Krbec
中科院分区:
其他
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作者:
A. Fiorenza;M. Krbec

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我们研究了Orlicz空间中的Boyd指数与各种应用中经常遇到的增长条件之间的关系,例如,在具有非标准增长的变分积分的正则性理论中。我们发展了一种截断方法来计算指数,并用增长指数和Jensen平均的形式给出了指数的特征。应用涉及积分算子的变分积分和外推。
We study connections between the Boyd indices in Orlicz spaces and the growth conditions frequently met in various applications, for instance, in the regular- ity theory of variational integrals with non-standard growth. We develop a truncation method for computation of the indices and we also give characterizations of them in terms of the growth exponents and of the Jensen means. Applications concern varia- tional integrals and extrapolation of integral operators.