p-adic和F_q（（t））振荡积分的解析van der Corput引理、奇异傅里叶变换和限制定理
Analytic van der Corput Lemma for p-adic and F_q((t)) oscillatory integrals, singular Fourier transforms, and restriction theorems
摘要：
本文给出了实vanderCorput引理的p-adic和F_q（（t））模拟，其中相位充分光滑的实条件被相位是收敛的幂级数的条件所取代。这个van der Corput风格的结果，使我们能够在类比的真实情况下，研究奇异的傅里叶变换适当弯曲（解析）流形，并开辟了道路，为进一步的应用。作为这样的进一步应用，我们给出了L^p函数到非阿基米德局部域上适当弯曲的解析流形的傅里叶变换的限制定理，类似于E. Stein和C.弗利曼。
英文摘要：
We give the p-adic and F_q((t)) analogue of the real van der Corput Lemma, where the real condition of sufficient smoothness for the phase is replaced by the condition that the phase is a convergent power series. This van der Corput style result allows us, in analogy to the real situation, to study singular Fourier transforms on suitably curved (analytic) manifolds and opens the way for further applications. As one such further application we give the restriction theorem for Fourier transforms of L^p functions to suitably curved analytic manifolds over non-archimedean local fields, similar to the real restriction result by E. Stein and C. Fefferman.
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