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Lee et al. proposed two methods to speed up the computation of scalar multiplication of elliptic curve defined over GF (2 mn) with a medium size of m in the range 10 ≤ m ≤ 20. In these methods, Frobenius map is utilized to expand the integer k and each coefficient of the expansion is represented as a binary string. In this paper , with the application of(More)
Magnetostratigraphy of sedimentary rock deposited in the Chaka basin (northeastern Tibetan Plateau) indicates a late Miocene onset of basin formation and subsequent development of the adjacent Qinghai Nan Shan. Sedimentation in the basin initiated at $11 Ma. In the lower part of the basin ¢ll, a coarsening-upward sequence starting at $9 Ma, as well as rapid(More)
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