非正常可微性 的英文怎麼說
中文拼音 [fēizhēngchángkěwéixìng]
非正常可微性
英文
improper differentiability-
It ' s indirectly proved that the oriented method is a reliable and practical. moreover, the natural fracture direction tested by the underground microseismic monitoring system also proved that the orientation technique is correct and comparable. 6
同時，針對該試驗區塊，對兩口開發井進行了地下微地震波監測，測得的人工裂縫方位與實驗測得的最大主地應力方向非常吻合，進一步證明了該方法的正確性和可比性。In the 3rd section we introduce how to use mathematical model to study financial problems, whose assets running on mixed jump - diffusion process, first we get the famous non - linear feynman - kac formula by fbsde, then let the solution of the bsde be a investor ' s utility function, and it ' s the so - called recurse utility function. second, we can prove that this utility function is a continue viscosity solution of the variation inequality which we get above, and we get the comparison theory. third we can use the result to financial market to study the optimal consumption and portfolio problem or evaluate the american option
第三章介紹了利用金融資產價格運行基於復合跳躍? ?擴散過程的數理模型來研究金融經濟問題，通過結合運用正倒向隨機微分方程，推導得到著名的非線性feynman - - kac公式，並且將相應的倒向隨機微分方程的解記為投資者的值函數，這也就是通常所說的效用值函數；接著我們可以證明此效用值函數為某一偏微積分變差不等式的連續粘性解，並且得到了比較原則；這些結果可以應用到金融領域用於消費投資組合的選擇或是美式期權的估值。Extension of yoshizawa periodic solution theorem is mentioned in the third part. nonautonomous three species predator - prey delay diffusion system with michaelis - menten response function is studied. we obtain not only existence of periodic solution of the system, but also sufficient condition of positive periodic solution
由於許許多多現實問題往往都可歸結為尋求以微分方程（常微分方程、泛函微分方程）為數學模型的周期解、概周期解，因此本文在第三部分運用yoshizawa型周期解定理的推廣，研究了以下具有michaelis ? menten型反應函數的非自治三種群時滯擴散捕食系統的周期解的存在性，給出存在正周期解的充分性條件。
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