充气球
发表于 2025-3-25 06:58:51
Existence of closed characteristics,ch solutions the aim is to find closed characteristics of a distinguished line bundle over a hypersurface in a symplectic manifold. It is determined by the symplectic structure, as explained in the introduction. A very special symplectic structure on the torus will lead us to M. Herman’s counterexample to the closing lemma in the smooth category.
雪白
发表于 2025-3-25 08:24:05
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真繁荣
发表于 2025-3-25 12:26:27
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广告
发表于 2025-3-25 17:41:46
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CHURL
发表于 2025-3-25 23:33:46
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HAWK
发表于 2025-3-26 03:55:25
Design and Synthesis of Optically-Pure Compounds Using Microbial Systemsntinues to be a major contemporary problem of synthetic organic chemistry. Because conventional chemical transformations generally give statistical mixtures of optical enantiomers, it is necessary to remove the unwanted antipode at the end of the reaction sequence by resolution using an asymmetric a
archenemy
发表于 2025-3-26 07:07:51
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aqueduct
发表于 2025-3-26 09:22:37
Maternal Mental Health and Illness depression and posttraumatic stress after birth in women of color bring much needed attention to racial and ethnic disparities. To help explain the why of this state of affairs in maternal mental health, this chapter focuses on a specific social determinant of health in the domain of social and com
Dignant
发表于 2025-3-26 12:38:15
Improvement in Machining Ability of Tungsten Carbide Tool Insert Through Microwave Hybrid Heating During Turning of EN 24 Steel,icrowaves have been utilized to modify the mechanical properties of tungsten carbide (WC/Co) cutting tool inserts by enhancing the microhardness and wear resistance properties. This result improvement in microhardness is expected to ease the cutting process and reduce tool wear. This research will i
notification
发表于 2025-3-26 17:33:35
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