Celebratio Mathematica

P. Emery Thomas

Topology; number theory

Bibliography

Works connected to Heinz Hopf

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E. Thomas: “The in­dex of a tan­gent 2-field,” Com­ment. Math. Helv. 42 (1967), pp. 86–​110. Ded­ic­ated to Pro­fess­or H. Hopf. MR 0215317 Zbl 0153.​53504 article