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IIntroductlonMuch work has been done on the asymptotlcbehavlor of*theotlcbehavlor second orderdl地rentlal equation．Some results oflt are based on the Integral Inequalities’of G。"wall－B＜bar＜type．Kong Qingkal[11 has studledthe behavior ofa classofnonllnear dl地rentlal equations ofnth order．Some people[2;3]h肌e studiedthe asymptotlc behavior of the second order nonlinear difference equations．Atpresent,papers about the asymptotlc behavior of nonlinear difference equatlons of nib order … 相似文献
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给出了两个半群的半直积S×αT是π-纯正半群的充分必要条件,并得到了半直积S×αT是右强π-逆半群的充分必要条件. 相似文献
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In this paper, we study the linear thermo-visco-elastic system in one-dimensional space variable. The mathematical model is a hyperbolic-parabolic partial differential system. The solutions of the system show some decay property due to the parabolicity. Based on detailed analysis on the Green function of the system, the pointwise estimates of the solutions are obtained, from which the generalized Huygens’ principle is shown. 相似文献
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