弯腰
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可商量
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Pcos971
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assent
发表于 2025-3-24 01:15:27
Fritz Schlawee the motivation that Roberts and Varberg (1973, p. 271) drew up anew the following problem of level sets: “What “nice” conditions on a nested family of convex sets will ensure that it is the family of level sets of a convex function?” In the sequel, the notions of convexifiability and concavifiabil
挑剔为人
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Fritz Schlawes that any affinely connected (in particular, Riemannian) space can be treated as a purely algebraic structure equipped with smoothness. Numerous habitual geometric properties may be expressed in the language of geoodular structures by means of algebraic identities, etc.. Our treatment has led us to the purel978-94-010-5921-3978-94-011-4491-9
Albumin
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optic-nerve
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geriatrician
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弹药
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Neudeutsche Metrik978-3-476-03832-6Series ISSN 0558-3667 Series E-ISSN 2512-5222