• Thumbnail for Extended real number line
    simply as ∞ {\displaystyle \infty } . There is also a distinct projectively extended real line where + ∞ {\displaystyle +\infty } and − ∞ {\displaystyle -\infty...
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  • Thumbnail for Projectively extended real line
    In real analysis, the projectively extended real line (also called the one-point compactification of the real line), is the extension of the set of the...
    20 KB (3,064 words) - 16:51, 10 August 2023
  • Thumbnail for Real projective line
    example of a real projective line is the projectively extended real line, which is often called the projective line. Formally, a real projective line P(R) is...
    12 KB (1,670 words) - 02:32, 1 December 2024
  • Thumbnail for Division by zero
    \mathbb {R} \cup \{\infty \}} is the projectively extended real line, which is a one-point compactification of the real line. Here ∞ {\displaystyle \infty }...
    42 KB (5,701 words) - 16:17, 3 April 2025
  • transformation Projective line over a ring Projectively extended real line Projective range Wheel theory Action of PGL(2) on Projective Space – see comment...
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  • Thumbnail for Riemann sphere
    Hopf bundle Möbius plane Parallel (operator) § Properties Projectively extended real line Smith chart Wheel theory Riemann 1857. "C^*". Archived from...
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  • Alexandroff extension Projectively extended real line Bohr compactification Eells–Kuiper manifold Projectively extended real line Stone–Čech compactification...
    15 KB (2,036 words) - 16:26, 1 April 2025
  • projectively extended real line to be used as a way to include infinite values as well as extended real line. With this notation, the extended real line...
    69 KB (11,187 words) - 18:27, 24 April 2025
  • line Imaginary line (mathematics) Line (geometry) Number form (neurological phenomenon) One-dimensional space Projectively extended real line Stewart, James...
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  • have the same property. Infinity – Mathematical concept Projectively extended real line – Real numbers with an added point at infinity Zero of a function –...
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  • Thumbnail for Division (mathematics)
    circumstances, either by extending the real numbers to the extended real number line or to the projectively extended real line or when occurring as limit...
    25 KB (3,478 words) - 08:38, 12 April 2025
  • Thumbnail for Hyperbolic orthogonality
    vertical line is denoted ∞ so that all lines have a slope in the projectively extended real line. Then whichever hyperbola (A) or (B) is used, the operation...
    9 KB (1,291 words) - 01:22, 10 February 2025
  • generalized number that is added to the real line to form the projectively extended real line. c {\displaystyle {\mathfrak {c}}}    (fraktur 𝔠) c {\displaystyle...
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  • f/g} must diverge, in the sense of the extended real numbers (in the framework of the projectively extended real line, the limit is the unsigned infinity...
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  • Thumbnail for Modular group
    group maps the projectively extended real line one-to-one to itself, and furthermore bijectively maps the projectively extended rational line (the rationals...
    25 KB (3,438 words) - 22:18, 30 April 2025
  • Thumbnail for Cross-ratio
    {\widehat {\mathbb {R} }}=\mathbb {R} \cup \{\infty \}} is the projectively extended real line, the cross-ratio of four distinct numbers x 1 , x 2 , x 3 ...
    30 KB (4,844 words) - 08:46, 28 April 2025
  • If one extends the real line to the projectively extended real line by including ∞, one may extend h to a bijection from the extended real line to itself...
    76 KB (11,411 words) - 13:49, 24 April 2025
  • continuity of a function and of ∞ {\displaystyle \infty } (see projectively extended real line for more). Taylor, Charles (1911). "Geometrical Continuity" ...
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  • The DC Extended Universe (DCEU) is a shared universe centered on a group of film franchises based on characters by DC Comics and distributed by Warner...
    218 KB (26,200 words) - 15:44, 24 April 2025
  • Thumbnail for One-sided limit
    One-sided limit (category Real analysis)
    Soc. p. 130. ISBN 978-1-4704-2807-5. Retrieved 7 August 2021. Projectively extended real line Semi-differentiability Limit superior and limit inferior...
    12 KB (1,974 words) - 23:11, 21 March 2024
  • Thumbnail for Wheel theory
    defined. In particular, division by zero is meaningful. The real numbers can be extended to a wheel, as can any commutative ring. The term wheel is inspired...
    7 KB (1,293 words) - 01:27, 23 January 2025
  • The phrases "projective plane", "extended affine plane" and "extended Euclidean plane" may be distinguished according to whether the line at infinity is...
    7 KB (1,672 words) - 13:03, 27 April 2025
  • Thumbnail for Projective space
    S of points is projectively independent if its span is not the span of any proper subset of S. If S is a spanning set of a projective space P, then there...
    37 KB (5,670 words) - 20:15, 2 March 2025
  • Thumbnail for Projective plane
    line is called the line at infinity. The extended structure is a projective plane and is called the extended Euclidean plane or the real projective plane...
    53 KB (6,933 words) - 21:56, 26 April 2025
  • Thumbnail for Projective line over a ring
    mathematics, the projective line over a ring is an extension of the concept of projective line over a field. Given a ring A (with 1), the projective line P1(A) over...
    25 KB (2,979 words) - 04:53, 21 March 2025
  • one may take R ¯ {\displaystyle {\bar {\mathbb {R} }}} to be the extended real line. A subset A ⊆ X {\displaystyle A\subseteq X} of the preordered set...
    34 KB (4,814 words) - 13:06, 6 April 2025
  • Paris Agreement in 2017. On the other hand, project director Paul Dans accepts only that climate change is real, not that human activity causes it. The manifesto...
    241 KB (21,529 words) - 23:18, 3 May 2025
  • In mathematics, quaternionic projective space is an extension of the ideas of real projective space and complex projective space, to the case where coordinates...
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  • Thumbnail for DC Extended Universe
    Lee referred to the franchise as the DC Extended Universe at C2E2. The franchise was officially titled DC Extended Universe when the WarnerMedia streaming...
    470 KB (31,491 words) - 15:41, 1 May 2025
  • Thumbnail for Real number
    also real numbers which are not, such as π = 3.1415...; these are called transcendental numbers. Real numbers can be thought of as all points on a line called...
    61 KB (8,195 words) - 16:29, 17 April 2025