closure operator Čech cohomology Čech nerve Stone–Čech compactification Tychonoff's theorem O'Connor, John J.; Robertson, Edmund F., "Eduard Čech", MacTutor...

In the mathematical discipline of general topology, Stone–Čech compactification (or Čech–Stone compactification) is a technique for constructing a universal...

open covers of a topological space. It is named for the mathematician Eduard Čech. Let X be a topological space, and let U {\displaystyle {\mathcal {U}}}...

conductor, teacher and critic Eduard Čech (1893–1960), Czech mathematician Eduard Clam-Gallas (1805–1891), Austrian general Eduard Cristian Zimmermann (born...

Cech (born 1974), South African rower. Eduard Čech (1893–1960), Czech mathematician. Filip Čech (born 1980), Czech ice hockey player. František Čech,...

group. In the special case of abelian groups, Tor was introduced by Eduard Čech (1935) and named by Samuel Eilenberg around 1950. It was first applied...

cohomology ring. The cup product was introduced in work of J. W. Alexander, Eduard Čech and Hassler Whitney from 1935–1938, and, in full generality, by Samuel...

Continuous Functions, Lecture Notes in Mathematics 1315, Springer-Verlag. Eduard Čech, Topological Spaces, revised by Zdenek Frolík and Miroslav Katetov, John...

square. The first formal definition of covering dimension was given by Eduard Čech, based on an earlier result of Henri Lebesgue. A modern definition is...

generalise the nonabelian fundamental group to all dimensions. In 1932, Eduard Čech submitted a paper on higher homotopy groups to the International Congress...

pediatrician Rudolf Rabl (1889–1951), lawyer Karel Čapek (1890–1938), writer Eduard Čech (1893–1960), mathematician Stanislav Grof (b. 1931), psychologist Jaroslav...

≤ p, to form a composite chain of degree p − q. It was introduced by Eduard Čech in 1936, and independently by Hassler Whitney in 1938. Let X be a topological...

George Henri Halphen, Ernest Julius Wilczynski, E. Bompiani, G. Fubini, Eduard Čech, amongst others), without a comprehensive theory of differential invariants...

on its modern form until the advent of cohomology in the 1930s, when Eduard Čech and Hassler Whitney invented the cup and cap products and formulated...

philosopher, and theologian Otakar Borůvka, mathematician Josef Božek engineer Eduard Čech, mathematician František Čelakovský, linguist and writer Václav Cílek...

. {\displaystyle {\mathcal {T}}_{\text{seq}}={\mathcal {T}}.} Eduard Čech Eduard Čech, Zdeněk Frolík, Miroslav Katětov, Topological spaces Prague: Academia...

Norman Steenrod constructed Čech cohomology by dualizing Čech homology. From 1936 to 1938, Hassler Whitney and Eduard Čech developed the cup product (making...

(ancient Greek) Karel Chodounský (1843-1931) – pharmacologist and alpinist Eduard Čech (1893–1960) – mathematician Felix Maria Davídek (1921–1988) – Secret...

is equal to its de Rham cohomology. A different approach is by Čech cohomology. Čech cohomology was the first cohomology theory developed for sheaves...

position at Masaryk was taken by Eduard Čech, whom Borůvka also assisted, earning his doctorate in 1923. At Čech's suggestion, Borůvka visited Élie Cartan...

Perfect Foresight and Economic Equilibrium, after which his colleague Eduard Čech pointed him to an article of John von Neumann, Zur Theorie der Gesellschaftsspiele...

According to legend, it comes from their leader Čech, who brought them to Bohemia. The exact etymology of Čech is uncertain, with most common derivation relating...

Solomon Lefschetz, Lev Pontryagin, Andrey Kolmogorov, Norman Steenrod, Eduard Čech: the early cochain notions Hermann Weyl: the Kirchhoff laws stated in...

after Augustin-Louis Cauchy Eduard Čech, Czech mathematician – Čech cohomology, Čech complex, Čech homology, Stone–Čech compactification Hugh Cecil,...

Publishing House. p. 96. ISBN 978-5-19-011041-8. Chernavsky A.V. (1971). "Eduard Cech (to the tenth anniversary of his death)" (PDF). Russian Mathematical...

group were also introduced. Higher homotopy groups were first defined by Eduard Čech in 1932. (His first paper was withdrawn on the advice of Pavel Sergeyevich...

(1886–1963) Raymond Clare Archibald (1875–1955) Otakar Borůvka (1899–1995) Eduard Čech (1893–1960), topology Vojtěch Jarník (1897–1970) Karel Petr (1868–1950)...

Cartan Giuseppe Casazza Ugo Cassina [it] Guido Castelnuovo Ettore Cavalli Eduard Čech Jean Chazy Salvatore Cherubino [it] P'ei-Yuan Chou Leon Chwistek Louis...

group of an arbitrary topological space. This was doubtless known to Eduard Čech and Jean Leray and explicitly appeared as a remark in a paper by André...

Sciences (CSc) and in 1967 Doctor of Science (DrSc). His advisors were Eduard Čech and Ladislav Rieger. Starting in 1958 Vopěnka taught at the Mathematics...