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Poincare-Birkhoff theorem
释义
Poincare-Birkhoff theorem
Encyclopedia
理学
不可积系统
释
Poincare-Birkhoff theorem
庞加莱-伯克霍夫定理
描述哈密顿系统的有理数环面在扰动下的命运的定理。由法国数学家庞加莱(Henri Poincaré,1854~1912)和美国数学家G.D.伯克霍夫(George David Birkhoff,1884~1944)先后提出。
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elliptic torus
elliptic transfinite diameter
elliptic transformation
elliptic type
elliptic-type weight for hydrometry
elliptic umbilic
elliptic umbilic catastrophe
elliptic unit
elliptic variational inequation
elliptoid
Ellison-Glaeser index
El Lissitzky
Ellis’s model of information seeking
Ellora Caves
Ellsworth Huntington
ellsworthite
Ellsworth Mountains
Ellwood Patterson Cubberley
Elly Ameling
Elly Ney
elm
El Mahalla el Kubra
Elman neural network
elm cake
elment concentration center
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