• Title/Summary/Keyword: Fibrewise cofibration

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On the Fibrewise Confibrations and Fibrewise Fibrations in a Quasitopos (Quasitopos에서의 섬유 코화이버 함수와 섬유 화이버 함수에 대한 연구)

  • Kim, Young-Sun
    • The Journal of Natural Sciences
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    • v.10 no.1
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    • pp.9-12
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    • 1998

  • In this paper, we obtain that if $\psi : E \to F$ is a fibrewise fibration then postcomposition $\psi :C_B(Y, E) \to C_B(Y, F)$ is fibrewise fibration and if (X, A) is a closed fibrewise cofibration the the precomposition $\upsilon :C_B(X, E) \to C_B(A, E)$ is also a fibrewise fibration.

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