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    Chapter and Conference Paper

    An Action of the Picard Group on Generalized Euler Classes

    In this paper, we construct an action of Picard group on the generalized Euler classes defined in Chow-Witt groups $$\widetilde{CH^{d}(X,\mathscr {L})...

    Bingjun Li, Jianjun Jiao, Dan Yang in Simulation Tools and Techniques (2021)

  2. Chapter and Conference Paper

    A Monitoring and Management System for Farmland Environmental Base on Flex and Web Services

    Farmland environmental deterioration is the main reason which results in the agricultural product quality problems, so it is necessary to build a geospatial information system for farmland environmental monito...

    Yanmin Wang, Yuchun Pan, Bingbo Gao in Computer and Computing Technologies in Agr… (2012)