The niche-fitness and limited factors of rice, wheat, cotton and rape in Houhu Farm area of Jianghan Plain are analyzed by weighted average model and limited fa
A new elliptic curve scalar multiplication algorithm is proposed. The algorithm uses the Frobenius map on optimal extension field (OEF) and addition sequence. W
Sufficient condition for stochastic unifrom stability of a neutral stochastic functional differential equation is given, especially, new techniques are develope