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《Journal of Tianjin Normal University(Natural Science Edition)》 2018-05
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Bounds on exponential sum in function fields

LI Jiao;CAO Yameng;LI Guoquan;College of Mathematical Science,Tianjin Normal University;  
For the polynomial ring Fq[t] over the finite field of Fqwhose characteristic is p,an estimate for the r power of integral of a kind of exponential sum on Fq[t] is obtained. The result is applied to estimate the number of solutions of a kind of homogeneous equations on Fq[t]. And some results of related literatures are extended.
【CateGory Index】: O153
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