...广义点理论 ; 多基线立体 ;地图更新 ;数字近景摄影测量 [gap=626]Key words :digital photogrammetry ; vanishing point theory ; generalized point theory ; multi2base stereo ; map update ; digital close2 ..
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定义了A-紧1-集压缩映象场的广义度，扩展了1984年张庆雍建立的半紧1-集压缩映射的不动点指数理论。
In the present paper, we define a generalized degree for A-compact 1-set contraction mapping, the result extends what Zhang Qingyong obtained in 1984.
应用临界点理论，获得了一类离散广义Emden - Fowler方程边值问题存在多个解的条件。
By using critical point theory, we obtain some conditions for the existence of multiple solutions on boundary value problems of a discrete generalized Emden-Fowler equation.
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