Karol Borsuk was a Polish mathematician who made important contributions to topology. He was born in Warsaw, then in the Russian Empire, on 8 May 1905 and died in Warsaw on 24 January 1982. He founded the theory of retracts and shape in topology, and in 1933 he gave the first proof of what is now called the Borsuk-Ulam theorem, whose formulation he attributed to Stanisław Ulam. He gave the first proof of that antipodal-points theorem.
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Source Karol Borsuk, Biography (MacTutor History of Mathematics)
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Source Borsuk-Ulam Theorem (Wikipedia)
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Source Karol Borsuk, Biography (MacTutor History of Mathematics)SummaryQuote, Summary
Karol Borsuk was a Polish mathematician who made important contributions to topology.
Sources
1. Karol Borsuk, Biography (MacTutor History of Mathematics)
SummaryQuote, Summary
Karol Borsuk was a Polish mathematician who made important contributions to topology.
Borsuk-Ulam Theorem (Wikipedia)
Proofs Credited: Borsuk-Ulam Theorem, LeadQuote, Proofs Credited: Borsuk-Ulam Theorem, Lead
The first proof was given by Karol Borsuk (1933), where the formulation of the problem was attributed to Stanisław Ulam.
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