In mathematics, the Borsuk–Ulam theorem states that every continuous function from an n-sphere into Euclidean n-space maps some pair of antipodal points...
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Using the Borsuk–Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry is a graduate-level mathematics textbook in topological combinatorics...
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notable mathematical concepts that bear Borsuk's name include Borsuk's conjecture, Borsuk–Ulam theorem and Bing–Borsuk conjecture. In 1936, he married Zofia...
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invariance of dimension and the Borsuk–Ulam theorem. This gives it a place among the fundamental theorems of topology. The theorem is also used for proving deep...
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simplex, gives the Borsuk–Ulam theorem, that ƒ must map two opposite points of the sphere to the same point. The topological Radon theorem was originally...
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proved a number of theorems and proposed several conjectures. Born into a wealthy Polish Jewish family in Lemberg, Austria-Hungary; Ulam studied mathematics...
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above, although "Ulam did make a fundamental contribution in proposing" the Borsuk–Ulam theorem. The two-dimensional variant of the theorem (also known as...
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{\displaystyle \vert f(x)\vert <\varepsilon } . A similar result is the Borsuk–Ulam theorem, which says that a continuous map from the n {\displaystyle n} -sphere...
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proved by the Borsuk-Ulam theorem. When k {\displaystyle k} is an odd prime number, the proof involves a generalization of the Borsuk-Ulam theorem. When k {\displaystyle...
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In mathematics, the Lusternik–Schnirelmann theorem, aka Lusternik–Schnirelmann–Borsuk theorem or LSB theorem, says as follows. If the sphere Sn is covered...
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1112/jlms/s1-41.1.123 Blagojević, P. V. M.; Ziegler, G. M. (2017), "Beyond the Borsuk–Ulam Theorem: The Topological Tverberg Story", in Loebl, M.; Nešetřil, J.; Thomas...
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Tucker's lemma (category Fixed-point theorems)
In mathematics, Tucker's lemma is a combinatorial analog of the Borsuk–Ulam theorem, named after Albert W. Tucker. Let T be a triangulation of the closed...
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Algebraic topology (section Important theorems)
Blakers–Massey theorem Borsuk–Ulam theorem Brouwer fixed point theorem Cellular approximation theorem Dold–Thom theorem Eilenberg–Ganea theorem Eilenberg–Zilber...
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language Borsuk–Ulam theorem Erdős–Ulam problem Fermi–Pasta–Ulam–Tsingou problem Hyers–Ulam–Rassias stability Kuratowski–Ulam theorem Mazur–Ulam theorem Ulam's...
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combinatorics. Lovász's proof used the Borsuk–Ulam theorem and this theorem retains a prominent role in this new field. This theorem has many equivalent versions...
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Bolzano–Weierstrass theorem (real analysis, calculus) Borsuk–Ulam theorem (topology) Brouwer fixed-point theorem (topology) Cantor's intersection theorem (real analysis)...
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theorem Brouwer fixed point theorem Invariance of domain Lefschetz fixed-point theorem Hairy ball theorem Degree of a continuous mapping Borsuk–Ulam theorem...
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Nerve complex (redirect from Nerve theorem)
ISBN / Date incompatibility (help) Matoušek, Jiří (2007). Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (2nd ed...
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This is a direct corollary of the Hobby–Rice theorem. It can also be proved using the Borsuk-Ulam theorem: Every partition of an interval using n {\displaystyle...
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ISBN 0-521-79160-X and ISBN 0-521-79540-0 Matoušek, Jiří (2007). Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (2nd ed...
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any symmetry possessed by both spaces. A famous theorem of equivariant topology is the Borsuk–Ulam theorem, which asserts that every Z 2 {\displaystyle \mathbf...
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subsets are not enough in general. The proof is based on the Borsuk–Ulam theorem. That led Borsuk to a general question: Die folgende Frage bleibt offen: Lässt...
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p. 58. ISBN 978-0-48627576-5. Matoušek, Jiří (2007). Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (2nd ed...
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emanating from the centre, and these two points are antipodal. The Borsuk–Ulam theorem is a result from algebraic topology dealing with such pairs of points...
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Sperner's lemma (category Fixed-point theorems)
Mathematical Encyclopaedia (ed. I.M. Vinogradov), a related 1929 theorem (of Knaster, Borsuk and Mazurkiewicz) had also become known as the Sperner lemma...
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combinatorics. Lovász's proof used the Borsuk-Ulam theorem and this theorem retains a prominent role in this new field. This theorem has many equivalent versions...
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complex Tucker's lemma Simplex tree Matoušek, Jiří (2007). Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (2nd ed...
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Press. ISBN 978-0-201-62728-2. Matoušek, Jiří (2007). Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (2nd ed...
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numbers n. The case when n = 2 can be considered an application of the Borsuk–Ulam theorem to the real line. It says that if f ( x ) {\displaystyle f(x)} is...
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Springer-Verlag. p. 9. ISBN 3-540-18190-3. Matoušek, Jiří (2007). Using the Borsuk-Ulam Theorem: Lectures on Topological Methods in Combinatorics and Geometry (2nd ed...
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