Language in nature is a very important human capital endowed by language learners, characterized by economic attributes of “value”,“utility”, and “cost”,
<正>In this article, the authors obtain some theoretical results for 2_(IV)~(m-p) designs to have the maximum number of clear two-factor interactions by conside
<正>The author derives a kind of weighted norm inequalities which relate the multilinear potential type integral operators to the corresponding maximal operator