【摘要】 考虑半导体方程组的混合初边值问题，采用逼近过程，经过一系列先验估计，证明了整体弱解的存在性更多还原

【Abstract】 In this paper, we consider the mixed initial boundary value problem for the semiconductor equations. Under physically realistic assumptions, we establish the existence of a weak solution to this system global in time.更多还原