A class of exponential sums and sequence families

A class of exponential sums and sequence families
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一类指数和和序列族

DOI:
10.1007/s12095-019-00368-4
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发表时间:
2019-05
期刊:
Cryptography and Communications
影响因子:
--
通讯作者:
Wei Peng
Wei Peng
中科院分区:
其他
文献类型:
--
作者:
Chengju Li;Qin Yue;夏永波;Wei Peng

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令M1和M2为两个不同的积极整数,其中d = gcd(m1,m2)\ docordsclass [12pt] {minimal} \ usepackage {amsmath} \ usepackage {wasySym} \ wasysym} \ usepackage {amsfonts} \ amsfonts} \ amssmbage {amssmb} } \ usepackage {mathrsfs} \ usepackage {upgreek} \ setLength {\ setLength
Let m 1 and m 2 be two distinct positive integers with d= gcd (m 1, m 2) d=\gcd(m_1,m_2). Let F 2 m F_2^m be the finite field with 2 m elements, where m= m 1 m 2/d. In this paper, we investigate the exponential sums S (a, b)=∑ x∈ F 2 m∗(− 1) Tr m 1 (ax 2 m− 1 2 m 1− 1)+ Tr m 2 (bx 2 m− 1 2 m 2− 1), S (a, b)= ∑ x ∈ F _ 2^ m^*(-1)^ Tr _ m_ 1 (ax^ 2^ m-1 2^ m_ 1-1)+ Tr _ m_ 2 (bx^ 2^ m-1 2^ m_ 2-1), where a∈ F 2 m 1 a∈F_2^m_1, b∈ F 2 m 2 b∈F_2^m_2, and Tr t denotes the trace function from F 2 t F_2^t to F 2 F_2. When d= 1, 2, 3, 4, we present the value distribution of the exponential sums S (a, b) explicitly. As an application, we construct three families of binary sequences with three-valued correlation.
DOI: 10.1016/s0019-9958(71)90473-6
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