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geometry, a cyclic cover or cyclic covering is a covering space for which the set of covering transformations forms a cyclic group. As with cyclic groups,
Cyclic_cover
Alternative mathematical ordering
In mathematics, a cyclic order is a way to arrange a set of objects in a circle.[nb] Unlike most structures in order theory, a cyclic order is not modeled
Cyclic_order
Molecule with a ring of bonded atoms
A cyclic compound (or ring compound) is a chemical compound which includes a ring. Rings have three or more atoms, and include examples where all the atoms
Cyclic_compound
The Direct and Counter-cyclical Payment Program (DCP) of the USDA provides payments to eligible producers on farms enrolled for the 2002 through 2007 crop
Direct and Counter-Cyclical Program
Direct_and_Counter-Cyclical_Program
History of the Trojan War told in poems
there are also the Tabula iliaca inscriptions that cover the same myths. Most knowledge of the Cyclic epics comes from a broken summary of them which serves
Epic_Cycle
found an example with an automorphism of order 7 that is birational to a cyclic cover of degree 7 of a Dolgachev surface. Prasad & Yeung (2007), Prasad & Yeung
Fake_projective_plane
Study of mathematical knots
from the Alexander invariant, a module constructed from the infinite cyclic cover of the knot complement (Lickorish 1997)(Rolfsen 1976). In the late 20th
Knot_theory
Knot invariant
his polynomial. Let K be a knot in the 3-sphere. Let X be the infinite cyclic cover of the knot complement of K. This covering can be obtained by cutting
Alexander_polynomial
Ancient Greek epic poets
The Cyclic Poets is a shorthand term for the early Greek epic poets, who were approximate contemporaries of Homer. No more is known about those poets than
Cyclic_Poets
German general-purpose machine gun
moving from cover to cover. For targets that can be fired on by a general-purpose machine gun for longer periods than just a few seconds, the cyclic firing
MG_42
Torsion {\displaystyle H_{1}(M-K)/{\text{Torsion}}} in the infinite cyclic cover of M−K, and is symmetric and evaluates to 1 at 1. τ W ( m , μ ; ν ) =
Casson_invariant
Firearm actions
quickly moving from cover to cover. For targets that can be fired on by a machine gun for longer periods than just a few seconds the cyclic firing rate becomes
Rate_of_fire
Australian magazine
Cyclic Defrost is an Australian specialist electronic music magazine. It was founded and edited by Sebastian Chan, with current editors Bob Baker Fish
Cyclic_Defrost
Compositional technique
Cyclic form is a technique of musical construction, involving multiple sections or movements, in which a theme, melody, or thematic material occurs in
Cyclic_form
classification of finite simple groups states that every finite simple group is cyclic, or alternating, or in one of 16 families of groups of Lie type, or one
List_of_finite_simple_groups
Ordering of binary values, used for positioning and error correction
Other names include "cyclic binary code", "cyclic progression code", "cyclic permuting binary" or "cyclic permuted binary" (CPB). The Gray code is sometimes
Gray_code
Type of block code
In coding theory, a cyclic code is a block code, where the circular shifts of each codeword gives another word that belongs to the code. They are error-correcting
Cyclic_code
Lost ancient Greek epic
Erythrae, Thestorides of Phocaea, or Homer himself (8th century BCE) (see Cyclic poets). The poem comprised four books of verse in dactylic hexameter, the
Little_Iliad
Shape with five sides
A cyclic pentagon is one for which a circle called the circumcircle goes through all five vertices. The regular pentagon is an example of a cyclic pentagon
Pentagon
Wireless communication technology
chirp spread spectrum (CSS) modulation. Each symbol is represented by a cyclic shifted chirp over the bandwidth centered around the base frequency. The
LoRa
Chinese Buddhist ceremony
and descend, with Śakra and Brahma at the front and back. Now that the cyclical day of return has come again, we offer splendid blessings for rebirth in
Shuilu_Fahui
1995 studio album by Electric Company
A Pert Cyclic Omen is the debut album of Electric Company, released on August 8, 1995, on Onion/American Recordings. Each of its track titles is an anagram
A_Pert_Cyclic_Omen
2024 studio album by Beyoncé
Tiera Kennedy, Reyna Roberts, Shaboozey and Willie Jones. The album is cyclical, with the final note looping seamlessly into the beginning of the first
Cowboy_Carter
Soil material that is ordinarily a solid behaving like a thick liquid
soil test-based definition, usually performed via cyclic triaxial, cyclic direct simple shear, or cyclic torsional shear type apparatus. These tests are
Soil_liquefaction
Legendary war in Greek mythology
Trojan War were told in the poems of the Epic Cycle, also known as the Cyclic Epics: the Cypria, Aethiopis, Little Iliad, Iliou Persis, Nostoi, and Telegony
Trojan_War
used to label the group within that order. Common group names: Zn: the cyclic group of order n (the notation Cn is also used; it is isomorphic to the
List_of_small_groups
Type of elevator
engineering firm of J & E Hall of Dartford, Kent, installed its first "Cyclic Elevator", using Hart's patent, in a London office block, and the firm is
Paternoster_lift
Family of transport proteins
Cyclic nucleotide–gated ion channels or CNG channels are ion channels that function in response to the binding of cyclic nucleotides. CNG channels are
Cyclic nucleotide–gated ion channel
Cyclic_nucleotide–gated_ion_channel
Hypothesis of female mating behavior
yhbeh.2005.07.004. PMID 16055126. S2CID 14884832. Puts, David A. (2006). "Cyclic variation in women's preferences for masculine traits: Potential hormonal
Ovulatory_shift_hypothesis
Greek mythological hero
and Achilles's reaction to it. The episode then formed the basis of the cyclic epic Aethiopis, which was composed after the Iliad, possibly in the seventh
Achilles
Number in {..., –2, –1, 0, 1, 2, ...}
\mathbb {Z} } under addition is the only infinite cyclic group—in the sense that any infinite cyclic group is isomorphic to Z {\displaystyle \mathbb
Integer
Brazilian mathematician
Viana, at the age of 19. with G. Forni, and A. Zorich: "Square-tiled cyclic covers", Journal of Modern Dynamics, vol. 5, no. 2, pp. 285–318 (2011). with
Carlos_Matheus
Type of language change
can be characterized as linguistic drift: a unidirectional short-term and cyclic long-term drift. According to Sapir, drift is the unconscious change in
Drift_(linguistics)
President of the United States from 2001 to 2009
by 131%, social security by 51%, and income security spending by 130%. Cyclically adjusted, revenues rose by 35% and spending by 65%. The increase in spending
George_W._Bush
Earth's most severe extinction event
gymnosperms again became dominant but again suffered major die-offs. These cyclical shifts in flora occurred a few times during the extinction period and afterward
Permian–Triassic extinction event
Permian–Triassic_extinction_event
Species of planthopper indigenous to Southeast Asia
Kim, Jae Geun; Lee, Eun-Hyuk; Seo, Yeo-Min; Kim, Na-Yeon (8 June 2011). "Cyclic behavior of Lycorma delicatula (Insecta: Hemiptera: Fulgoridae) on host
Spotted_lanternfly
Nonparametric spectral estimation method
introduced, and have been shown to allow for a reliable assessment of the cyclical position of the economy in real-time (de Carvalho et al., 2012 and de Carvalho
Singular_spectrum_analysis
Formulation of classical mechanics
This is a special case of Noether's theorem. Such coordinates are called "cyclic" or "ignorable". For example, a system may have a Lagrangian L ( r , θ
Lagrangian_mechanics
American mathematician
"Kneser–Haken finiteness for bounded 3-manifolds locally free groups, and cyclic covers", Topology, 37 (1): 133–147, doi:10.1016/S0040-9383(97)00007-4, MR 1480882
Benedict_Freedman
Lost sequel to the Odyssey
have been stolen from Musaeus by Eugammon of Cyrene (6th century BC) (see Cyclic poets). Its contents are known from surviving summaries by later authors
Telegony
American entrepreneur and venture capitalist (born 1967)
Christian core. Paolo Benanti opines that Thiel's vision of time is "tragically cyclic – and therefore pagan", while noting that Palantir plays a central role
Peter_Thiel
1997 song by Bob Dylan
selected "Standing in the Doorway", noting that it "isn't just a mood — it's cyclical lucid dream of loneliness. I've yet to find another six-minute tune about
Standing_in_the_Doorway
Electric current produced in living cells
"Coordinating heart morphogenesis: A novel role for hyperpolarization-activated cyclic nucleotide-gated (HCN) channels during cardiogenesis in Xenopus laevis"
Developmental_bioelectricity
Symbolic serpent with its tail in its mouth
the cover of both the fictional book and the novel. The Worm Ouroboros is a high-fantasy novel written by E. R. Eddison. Much like the cyclical symbol
Ouroboros
Extension of linear logic
sequent calculus relies on the structure of order varieties (a family of cyclic orders that may be viewed as a species of structure), and the correctness
Noncommutative_logic
Nonabelian group of order 120
is an extension of the icosahedral group I or (2,3,5) of order 60 by the cyclic group of order 2, and is the preimage of the icosahedral group under the
Binary_icosahedral_group
Galois extension whose Galois group is abelian
Galois group is abelian. When the Galois group is also cyclic, the extension is also called a cyclic extension. Going in the other direction, a Galois extension
Abelian_extension
Soviet carbine
the stock folded. Due to the shortening of the operating mechanism, the cyclic rate rose slightly to around 700 rounds per minute. In order to effectively
AKS-74U
2024 single by Fontaines D.C.
Only Ones. It was placed at the end of the album because it served a "cyclical" nature of both ending the album and beginning it anew, with Chatten comparing
Favourite_(song)
1986 single by Talk Talk
played by guest musician Mark Feltham. The song has been noted for its cyclical musical structure. Kenny Anderson, a.k.a. King Creosote: "I never tire
Living_in_Another_World
Type of group in mathematics
spin group Spin(n) is its universal cover. For n = 2 the fundamental group is infinite cyclic and the universal cover corresponds to the real line (the
Orthogonal_group
Chemical compound
cyclo(L-His-L-Pro) core have been studied extensively as possible nootropic drugs. These cyclic dipeptides incorporate both donor and acceptor groups for hydrogen bonding
2,5-Diketopiperazine
U.S. Military adopted variant of the FN MAG
machine gun to have a cyclic rate of fire of around 650–750 rounds per minute, The second setting allows the machine gun to have a cyclic rate of fire of around
M240_machine_gun
Range of methods designed for assigning cell types
amplifiers are; spectrally distinct fluorophores are used for further imaging. Cyclic-ouroboros smFISH (osmFISH) is an adaptation of smFISH which aims to overcome
Spatial_transcriptomics
German general-purpose machine gun
moving from cover to cover. For targets that can be fired on by a general-purpose machine gun for longer periods than just a few seconds, the cyclic firing
MG_34
Genetic disease in dogs
Greyhounds, the thighs are affected as well as the ventral chest and abdomen. Cyclic follicular dysplasia is also known as seasonal alopecia. It causes bilateral
Canine_follicular_dysplasia
Type of group in abstract algebra
multiplication. Cyclic groups are those that are generated by a single permutation. When a permutation is represented in cycle notation, the order of the cyclic subgroup
Symmetric_group
1919 accident in Massachusetts, United States
built a few years previously, putting the walls under an intermittent, cyclical load. Several authors say that the Purity Distilling Company was trying
Great_Molasses_Flood
corrosion testing of metallic materials by thermogravimetry under isothermal or cyclic conditions [original draft with this number unknown] ISO 4216:2021 Thermosetting
List of ISO standards 3000–4999
List_of_ISO_standards_3000–4999
from the Jurassic Tiaojishan Formation (China), reporting evidence of a cyclical growth during early life and possible adapations to fossoriality. Averianov
2026_in_paleontology
2018-03-15. Wales, Matt (March 5, 2018). "Swords of Ditto is a silly, cyclical action RPG that repeatedly gives you three days to save the world". Eurogamer
List of video games released in 2018
List_of_video_games_released_in_2018
1981 single by John Foxx
considered the song as having special significance at this time of the "cyclical decline of Europe". A video recording was published of the singer performing
Europe_After_the_Rain
British rock singer and songwriter (1946–1991)
write musically complex material. For example, "Bohemian Rhapsody" is non-cyclical in structure and comprises dozens of chords. He also wrote six songs from
Freddie_Mercury
Organic compound (H–CHO); simplest aldehyde
formaldehyde Monomeric formaldehyde (subject of this article) Trioxane is a stable cyclic trimer of formaldehyde. Paraformaldehyde is a common form of formaldehyde
Formaldehyde
Time period c. 12,900–11,700 years ago
climate variability in Southeastern Alaska follows Dansgaard-Oeschger cyclicity". Scientific Reports. 9 (1): 7880. Bibcode:2019NatSR...9.7880W. doi:10
Younger_Dryas
German general-purpose machine gun
a heavier bolt (950 g (33.51 oz) for a slower 700–900 rounds per minute cyclic rate of fire, compared to 550 g (19.40 oz)), and a new friction ring buffer
MG_3_machine_gun
occurred. Regression towards the mean – since many diseases or conditions are cyclical, symptoms vary over time and patients tend to seek care when discomfort
Evidence and efficacy of homeopathy
Evidence_and_efficacy_of_homeopathy
American space opera television series (1994–1998)
inter-race wars and their aftermaths, and embroilment in a millennial cyclic conflict between ancient races. The human characters, in particular, become
Babylon_5
American actress
second time in 1982. Idiopathic edema is an "physiopsychological syndrome of cyclic or episodic fluid retention with real or perceived swelling...occurring
Linda_Evans
Directed graph whose edges are labelled invertibly by elements of a group
and finite cyclic groups Z n {\displaystyle \mathbb {Z_{n}} } for n > 2. When Π is a cyclic group, the voltage graph may be called a cyclic-voltage graph
Voltage_graph
Standard for serial communication between devices without host computer
which covers the data link layer, and ISO 11898-2 which covers the CAN physical layer for high-speed CAN. ISO 11898-3 was released later and covers the
CAN_bus
Anti-diabetic and anti-obesity medication
binding to GLP-1 receptors on beta cells, it elevates intracellular levels of cyclic AMP (cAMP) and activates protein kinase A (PKA) and related signaling pathways
Semaglutide
History of Berliner FC Dynamo, a German association football club
annoyance at Dynamo Dresden's success and popularity in the 1970s; the cyclical decline of some of its rivals (such as FC Magdeburg); the MfS's growing
History of Berliner FC Dynamo (1978–1989)
History_of_Berliner_FC_Dynamo_(1978–1989)
Gambling. G.R. Williamson. p. 87. ISBN 9780985278014. Steven Riess, "The Cyclical History of Horse Racing: The USA's Oldest and (Sometimes) Most Popular
History of gambling in the United States
History_of_gambling_in_the_United_States
Mathematics award
UK University of Florida, US "Proved jointly with W. Feit that all non-cyclic finite simple groups have even order. The extension of this work by Thompson
Fields_Medal
Paths of particles in the Schwarzschild solution to Einstein's field equations
system with the plane of the orbit. The time t and azimuthal angle φ are cyclic coordinates, so that the solution for Hamilton's principal function S can
Schwarzschild_geodesics
Number of occurrences or cycles per unit time
used in certain contexts, such as the angular frequency in rotational or cyclical properties, when the rate of angular progress is measured. Spatial frequency
Frequency
Country in Eurasia from 1922 to 1991
witnessed a rapid shriveling of social programs that protect citizens from cyclical instability and financial crises and reduce the vast inequality of economic
Soviet_Union
New religious movement based on pre-Christian Slavic beliefs
those of the Indian subcontinent. Rodnovery has a "cyclical-linear model of time", in which the cyclical and the linear morphologies do not exclude each
Slavic_Native_Faith
Transformations induced by a mathematical group
size 2 n {\displaystyle 2n} . This is not always the case, for example the cyclic group Z / 2 n Z {\displaystyle \mathbb {Z} /2^{n}\mathbb {Z} } cannot act
Group_action
Gamma-aminobutyric acid analog
Gabapentin". US4024175A, Satzinger G, Hartenstein J, Herrmann M, Heldt W, "Cyclic amino acids", issued 17 May 1977 Johnson DS, Li JJ (26 February 2013).
Gabapentin
Romanian authentic folk music
Professional musicians in particular contributed to the development of cyclic forms by combining disparate dance tunes into large suites and potpourri
Romanian_traditional_music
Rotation of Earth around its axis
astronomy, unlike geometry, 360° means returning to the same point in some cyclical time scale, either one mean solar day or one sidereal day for rotation
Earth's_rotation
Underground passage made for traffic
may result in excess seismic forces in the lining. Backfilling with non-cyclically mobile material[clarification needed] and rock-stabilizing measures may
Tunnel
NATO modular weapon system
weapon, soon to be designated "XM207 Light Machine Gun". Misfires, high cyclic rates, jams and link separations were among the issues to be resolved. The
Stoner_63
Record label
Disques | EtherREAL" (in French). June 2008. Retrieved 27 January 2014. "Cyclic Defrost: Various Artists – Cronica L (Cronica)". 26 November 2010. Archived
Crónica_Electrónica
1922 novel by Hermann Hesse
great and ultimately jubilant fellowship of all things connected in the cyclical unity of nature. After Siddhartha's moment of illumination, Vasudeva claims
Siddhartha_(novel)
Centre-left political ideology
cannot resolve the fundamental structural issues of capitalism, such as cyclical fluctuations, exploitation, and alienation. Accordingly, social democratic
Social_democracy
Series of EF4 tornadoes in Northeast Nebraska
On the afternoon and early evening of June 16, 2014, a powerful cyclic supercell struck northeast Nebraska, producing six tornadoes, including four violent
2014_Pilger_tornado_family
tectonic processes, biogeochemical cycling in the ocean and a 60 million-year cyclic fluctuation in marine faunal diversity and extinction throughout the Phanerozoic
2025_in_paleontology
Programming language
rules that are recommendations in other languages, for example banning cyclic dependencies, unused variables or imports, and implicit type conversions
Go_(programming_language)
Group of units of the ring of integers modulo n
|(\mathbb {Z} /n\mathbb {Z} )^{\times }|=\varphi (n).} For prime n the group is cyclic, and in general the structure is easy to describe, but no simple general
Multiplicative group of integers modulo n
Multiplicative_group_of_integers_modulo_n
Legacy of French general and statesman
American race relations Neoabolitionism Reconstruction era Consensus history Cyclical theory Frontier thesis Political history Eras Progressive-era historians
Legacy_of_Napoleon
Nuggle, a mischievous water horse, in Shetland folklore Tangie, a seaweed covered water horse, in Orcadian and Shetlandic folklore Aonbarr or Enbarr, the
List of horses in mythology and folklore
List_of_horses_in_mythology_and_folklore
American assault rifle
Experienced troops who have dealt with incoming fire are less likely to take cover from incoming rounds if they are not close enough. With an IAR, the doctrine
M27_Infantry_Automatic_Rifle
2023 maritime disaster
downgraded to a depth rating of 3,000 m (9,800 ft) after demonstrating signs of cyclic fatigue. In 2020 and 2021, the hull was repaired or rebuilt. Rush told the
Titan_submersible_implosion
Computer network protocol
as with CC-C. In contrast to CC-A and CC-B, the complete communication (cyclic and acyclic) between controller and device takes place on Ethernet layer
Profinet
Soviet assault rifle
rotating bolt, firing in either semi-automatic or fully automatic, and has a cyclic rate of fire of around 600 rounds per minute (RPM). The gas operated action
AKM
Type of gender-affirming medical treatment
Winkler UH, Schindler AE, Brinkmann US, Ebert C, Oberhoff C (December 2001). "Cyclic progestin therapy for the management of mastopathy and mastodynia". Gynecological
Feminizing_hormone_therapy
2007 tornado in southwest Kansas, United States
Lightning Detection Conference. Tanamachi, Robin Lynn (2011). Multiple Cyclic Tornado Production Modes in The 5 May 2007 Greensburg, Kansas Supercell
Greensburg_tornado
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