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00925njm 22002777a 4500 dc Mallavibarrena Martínez de Castro, Raquel author Lanteri, Antonio author 1999 We investigate higher order dual varieties of projective manifolds whose osculatory behavior is the best possible, in particular, for a k-jet ample surface we prove the nondegeneratedness of the k-th dual variety and for 2-regular surfaces we investigate the degree of the second dual variety. 0092-7872 10.1080/00927879908826733 https://hdl.handle.net/20.500.14352/57580 http://www.tandfonline.com/doi/pdf/10.1080/00927879908826733 http://www.tandfonline.com/loi/lagb20 Higher order dual varieties of projective surfaces