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结合动态copula和GARCH模型,发展了双标的型未定权益的定价方法.针对诸如非对称、
尖峰态和厚尾现象等各种金融中的固有因素,采用NIG分布拟合于残差量.而标的资产之间的相关结构由动态copula来刻画.以上海证券指数和深圳证券指数为双标的资产最大认购期权为例,理论方法得到了有效的实证结果.
单形上Meyer-Knig和Zeller算子的逼近定理
光滑模 K-泛函 算子 等价性
2007/12/11
本文首先证明了一类新的光滑模与K-泛函之间的等价性,然后给出了单形上的多元Meyer-Konig和Zeller算子逼近的正、逆定理,最后证明了该算子逼近的特征刻划定理.
On Certain Modified Meyer-König and Zeller Operators
Meyer-Kö nig and Zeller operator degree of approximation Voronovskaya theorem
2010/2/26
We introduce certain modified Meyer-König and Zeller operators and we study their approximation properties. The similar results for modified Bernstein polynomials were given in [6].
Effects of epiphyte load on optical properties and photosynthetic potential of the seagrasses Thalassia testudinum Banks ex König and Zostera marina L.
Effects of epiphyte load optical properties and photosynthetic potential of the seagrasses Thalassia testudinum Banks ex Kö nig Zostera marina L.
2014/5/19
The biomass and optical properties of seagrass leaf epiphytes were measured to evaluate their potential impact on the photosynthetic performance of the seagrasses Thalassia testudinum Banks ex Kö...