• mathematics, the pin group is a certain subgroup of the Clifford algebra associated to a quadratic space. It maps 2-to-1 to the orthogonal group, just as the...
    15 KB (2,502 words) - 15:43, 25 March 2025
  • The PIN Group was a German courier and postal services company. It belonged to PIN Group S.A., a Luxembourg-based corporate affiliation made up of several...
    10 KB (1,145 words) - 04:42, 29 March 2024
  • The Pin Group was a post-punk band formed in 1980 in Christchurch, New Zealand. They were the first band released on Flying Nun Records, and featured...
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  • PIN Group was a German courier and postal services company. "Pin group" may also refer to: Pin group, subgroup of the Clifford algebra associated to a...
    273 bytes (73 words) - 01:43, 5 September 2016
  • non-singular. The pin group PinV(K) is the subgroup of the Lipschitz group Γ of elements of spinor norm 1, and similarly the spin group SpinV(K) is the...
    65 KB (9,287 words) - 07:33, 12 May 2025
  • Look up PIN, pin, Pin, pín, pìn, pîn, pīn, pǐn, or piņ in Wiktionary, the free dictionary. A pin is a device used for fastening objects or material together...
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    and a quotient group, respectively: Two covering Pin groups, Pin+(n) → O(n) and Pin−(n) → O(n), The quotient projective orthogonal group, O(n) → PO(n)...
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  • Thumbnail for Pin trading
    Pin trading is the practice of buying, selling, and exchanging collectible pins as a hobby. This often takes place in amusement parks and resorts such...
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  • Thumbnail for Dicyclic group
    dicyclic group is a binary polyhedral group — it is one of the classes of subgroups of the Pin group Pin−(2), which is a subgroup of the Spin group Spin(3)...
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    The pin group Pin ⁡ ( V ) {\displaystyle \operatorname {Pin} (V)} is a subgroup of Cl ⁡ ( V ) {\displaystyle \operatorname {Cl} (V)} 's Clifford group of...
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  • covering group, a topological double cover in which H has index 2 in G; examples include the spin groups, pin groups, and metaplectic groups. Roughly...
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  • Invariant decomposition (category Group theory)
    decomposition is a decomposition of the elements of pin groups Pin ( p , q , r ) {\displaystyle {\text{Pin}}(p,q,r)} into orthogonal commuting elements. It...
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  • Montgomery has played in several bands since the late 1970s, most notably The Pin Group, Dadamah, Dissolve and Hash Jar Tempo. He has released solo albums on...
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  • similar construction with a pin group yields the 2-fold cover of the symmetric group: Pin±(n) → O(n). As there are two pin groups, there are two distinct...
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  • prominence by championing the emerging music of Dunedin. "Ambivalence" by The Pin Group (the first band of Roy Montgomery) was the first release from Flying Nun...
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  • Infinitesimal rotation Pin group Quaternions and spatial rotations Rigid body Spherical harmonics Plane of rotation Lie group Pauli matrix Plate trick...
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  • Thumbnail for Pinner
    Pinner is a suburb in the London Borough of Harrow, northwest London, England, 12 miles (19 km) northwest of Charing Cross, close to the border with Hillingdon...
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  • rock band The Terminals. Stapleton was also a member of the groups Vacuum, The Pin Group, Dadamah, Flies Inside the Sun, Eye, and Scorched Earth Policy...
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    involved in the Christchurch music scene. Initially he worked with The Pin Group, who were signed to Flying Nun Records, designing posters and filming...
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  • up pins in Wiktionary, the free dictionary. Pins are devices used for fastening objects or fabrics together. PINS or Pins may also refer to: PINS (band)...
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  • Thumbnail for Five-pin bowling
    Five-pin bowling is a bowling variant which is played in Canada, where many bowling alleys offer it, either alone or in combination with ten-pin bowling...
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  • groups, subgroups of PO(2) and PSO(2) are Dihr and Cr. Note that the same commutative square of subgroups occurs for the square of Spin group and Pin...
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  • Thumbnail for Doriane Pin
    Doriane Pin (born 6 January 2004) is a French racing driver who is part of the Iron Dames programme and the Mercedes Junior Team. She is currently competing...
    51 KB (2,083 words) - 07:20, 20 May 2025
  • Thumbnail for Ayah Pin
    Ariffin Mohammed (22 June 1941 – 22 April 2016), better known as Ayah Pin (Father Pin), was a Malaysian cult leader and founder of the Sky Kingdom (Malay:...
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  • Thumbnail for Industrial and multiphase power plugs and sockets
    outlet of the same size group rated for a higher current. For example, a 32 A 4-pin plug without neutral can plug into a 50 A 5-pin socket with neutral available...
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  • the (simply connected) Pin groups or Spin group, respectively: Pin±(n) → O(n) → PO(n). Spin(n) → SO(n) → PSO(n). These groups are all compact real forms...
    13 KB (1,874 words) - 06:22, 28 December 2022
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    The Clean (category New Zealand garage rock groups)
    The band would later include former Clean bassist Peter Gutteridge, and Pin Group member Ross Humphries. They released Singles in May 1984, a collection...
    13 KB (1,228 words) - 21:09, 24 May 2025
  • necessary, to work with a covering group of SO(n), the spin group, Spin(n). Likewise, O(n) has covering groups, the pin groups, Pin(n). For n > 2, Spin(n) is simply...
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  • probability density function. pf – proof. PGL – projective general linear group. Pinpin group. pmf – probability mass function. Pn – previous number. Pr – probability...
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  • Thumbnail for Lapel pin
    A lapel pin, also known as an enamel pin, is a small pin worn on clothing, often on the lapel of a jacket, attached to a bag, or displayed on a piece of...
    13 KB (1,528 words) - 08:06, 27 May 2025