Chinese Quarterly Journal of Mathematics ›› 1988, Vol. 3 ›› Issue (2): 44-46.
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Abstract: This paper gives the following theorem. Theorem:f:S¹→S¹be a map,f can embedding in semiflows if and only if: i)The degree d(f)is 1;ii)f preserve the orientation; iii)if x₁ キX₂,x₁,x₂∈S¹,f(x₁)=f(x₂),then f(x₁)is a fixed point of f;iv)if f has not fixed point,then f is topological conjugate a rotation.
李振全, 宋国华. 圆周上连续自映射嵌入半流的充要条件[J]. Chinese Quarterly Journal of Mathematics, 1988, 3(2): 44-46.
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