number. The first example of such a sequence was constructed by Ernst Specker (1949). The existence of Specker sequences has consequences for computable analysis...

Alexander Specker (born 1918), Swiss sports shooter Specker See, lake in Mecklenburg-Vorpommern, Germany Specker sequence, bounded sequence Baer–Specker group...

Erdős. Specker received his Ph.D. in 1949 from ETH Zurich, where he remained throughout his professional career. Specker sequence Baer–Specker group Ernst...

computable sequence of computable real numbers need not be a computable real number. A sequence with this property is known as a Specker sequence, as the...

every arithmetical number is computable. For example, the limit of a Specker sequence is an arithmetical number that is not computable. The definitions of...

{\displaystyle g(x)} are both undefined, or they are both defined and equal. Specker sequence A. Mostowski, "Examples of sets definable by means of two and three...

converge to a correct solution of the halting problem by evaluating a Specker sequence. Many hypercomputation proposals amount to alternative ways to read...

machines cannot solve their own halting problem. Computation in the limit Specker sequence Ross–Littlewood paradox Hamkins, Joel (2002-12-03). "Infinite time...

0 ∨ 0 ≥ x {\displaystyle x\geq 0\lor 0\geq x} . The existence of a Specker sequence is proven from C T 0 {\displaystyle {\mathrm {CT} _{0}}} . Such phenomena...

mathematical analysis — these spaces become natural under the analogy. Specker sequence See Simpson, Alex K. (1998), Brim, Luboš; Gruska, Jozef; Zlatuška,...

the field of group theory, the Baer–Specker group, or Specker group, named after Reinhold Baer and Ernst Specker, is an example of an infinite abelian...

all functions from the reals to the reals are provenly continuous. A Specker sequence exists and then Bolzano-Weierstrass fails. Categorical logic Hyland...

Spicks and Specks was an album of original songs. In 1968, US ATCO and UK Polydor, under contract from Festival, reissued this album, re-sequenced, as Rare...

ten are: 1, 10, 100, 1,000, 10,000, 100,000, 1,000,000, 10,000,000... (sequence A011557 in the OEIS) In decimal notation the nth power of ten is written...

Producciones 2008 Horton Hears a Who! United States 2D flying speck sequence / Horton's anime sequence 86 20th Century Fox / 20th Century Fox Animation / Blue...

unnecessary in this case). The case of the perfect set property was solved by Specker (1957), who showed (in ZF) that if every set of reals has the perfect set...

while its sister algorithm, Speck, has been optimized for software implementations. The NSA began working on the Simon and Speck ciphers in 2011. The agency...

performance and the dream sequence, asking "even though it wasn't "real," what makes Don Draper any different from Richard Speck, the student-nurse murderer...

21, 2011. The opening title sequence was created by Kyle Cooper and his company Prologue. He also created the title sequence for the AMC series The Walking...

motivated later work by John Bell, Ernst Specker and Simon Kochen that led to the result often called the Kochen–Specker theorem, which likewise shows that...

Blades of Glory is a 2007 American sports comedy film directed by Will Speck and Josh Gordon, written by Jeff Cox, Craig Cox, John Altschuler and Dave...

the wake of devastating Oklahoma tornado". KOKH. Retrieved May 1, 2024.Speck, Emilee (April 29, 2024). "EF-4, EF-3 tornadoes lay ruin to Oklahoma communities...

by the electrostatic interaction of the charges. Bell's theorem Kochen–Specker theorem PBR theorem No-hiding theorem No-cloning theorem Quantum no-deleting...

the Baer–Specker group, that is, the group of all integer sequences, with termwise addition. For each natural number n, let en be the sequence with n-th...

gradients localize the signal in space. By varying the parameters of the pulse sequence, different contrasts may be generated between tissues based on the relaxation...

product of infinitely many copies of the infinite cyclic group (the Baer–Specker group). This factor represents the singular homology classes of loops that...

announcement of the result in an earlier paper of his from 1941, and by Ernst Specker who gave a different proof in his Habilitationsschrift of 1951, proof which...

concepts expand upon the fundamental idea of multiplication. The product of a sequence, vector multiplication, complex numbers, and matrices are all examples...

set-theoretic tree. Tree (descriptive set theory) Continuous graph Gaifman, Haim; Specker, E. P. (1964). "Isomorphism types of trees". Proceedings of the American...

any sequence ( x n ) n ∈ N {\displaystyle (x_{n})_{n\in \mathbb {N} }} of points in the domain which converges to c, the corresponding sequence ( f (...