论文标题

麦克唐纳功能的上限和渐近扩展以及Kontorovich-Lebedev积分的总结性

Upper bounds and asymptotic expansion for Macdonald's function and the summability of the Kontorovich-Lebedev integrals

论文作者

Yakubovich, S.

论文摘要

为MacDonald函数$ k_ {iτ}(x)$建立了均匀的上限和具有明显剩余项的渐近扩展。例如,可以应用结果来研究琼斯(Jones)意义上的Kontorovich-Lebedev积分的总和。也就是说,我们肯定地回答了一个问题(参见[6]),这些积分是否在弱的意义上融合了指数类型的整个功能。

Uniform upper bounds and the asymptotic expansion with an explicit remainder term are established for the Macdonald function $K_{iτ}(x)$. The results can be applied, for instance, to study the summability of the divergent Kontorovich-Lebedev integrals in the sense of Jones. Namely, we answer affirmatively a question (cf. [6]) whether these integrals converge for even entire functions of the exponential type in a weak sense.

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