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  2. Omega constant - Wikipedia

    en.wikipedia.org/wiki/Omega_constant

    The omega constant is a mathematical constant defined as the unique real number that satisfies the equation ... This sequence will converge to ...

  3. Chaitin's constant - Wikipedia

    en.wikipedia.org/wiki/Chaitin's_constant

    A real number is random if the binary sequence representing the real number is an algorithmically random sequence. Calude, Hertling, Khoussainov, and Wang showed [6] that a recursively enumerable real number is an algorithmically random sequence if and only if it is a Chaitin's Ω number.

  4. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    A mathematical constant is a key number whose value is fixed by an unambiguous definition, ... Omega constant 0.56714 32904 09783 ... where the sequence a n is given ...

  5. ω-consistent theory - Wikipedia

    en.wikipedia.org/wiki/Ω-consistent_theory

    In mathematical logic, an ω-consistent (or omega-consistent, also called numerically segregative) [1] theory is a theory (collection of sentences) that is not only (syntactically) consistent [2] (that is, does not prove a contradiction), but also avoids proving certain infinite combinations of sentences that are intuitively contradictory.

  6. Convergence of random variables - Wikipedia

    en.wikipedia.org/wiki/Convergence_of_random...

    The different possible notions of convergence relate to how such a behavior can be characterized: two readily understood behaviors are that the sequence eventually takes a constant value, and that values in the sequence continue to change but can be described by an unchanging probability distribution.

  7. Transcendental number - Wikipedia

    en.wikipedia.org/wiki/Transcendental_number

    The Euler–Mascheroni constant γ: In 2010 it has been shown that an infinite list of Euler-Lehmer constants (which includes γ/4) contains at most one algebraic number. [ 51 ] [ 52 ] In 2012 it was shown that at least one of γ and the Gompertz constant δ is transcendental.

  8. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    the omega constant 0.5671432904097838729999686622... [37] an asymptotic lower bound notation related to big O notation; in probability theory and statistical mechanics, the support; a solid angle [38] the omega baryon; the arithmetic function counting a number's prime factors counted with multiplicity; the density parameter in cosmology [39]

  9. Aleph number - Wikipedia

    en.wikipedia.org/wiki/Aleph_number

    An uncountably infinite cardinal having cofinality means that there is a (countable-length) sequence of cardinals < whose limit (i.e. its least upper bound) is (see Easton's theorem). As per the definition above, ℵ ω {\displaystyle \aleph _{\omega }} is the limit of a countable-length sequence of smaller cardinals.