Phantom maps and injectivity of forgetful maps

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概要

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• In this note, we attack a question about the injectivity of the forgetful map posed ten years ago by Tsukiyama. We show that we can insert the forgetful map in an exact sequence and that the problem can be reduced to the computation of the sequence which turns out unexpectedly to be related to the phantom map problem and the famous Halperin conjecture in rational homotopy theory.

• 社団法人 日本数学会の論文

著者

• Woo Moo

  Department Of Mathematics Education Korea University

• PAN Jianzhong

  Institute of Mathematics Academia Sinica Beijing and Department of Mathematics Education Korea Unive

• Pan Jianzhong

  Institute Of Mathematics Academia Sinica Beijing And Department Of Mathematics Education Korea Unive

関連論文

• A REMARK ON G-SEQUENCES
• Phantom maps and injectivity of forgetful maps

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