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  • naive
  • Between 1902 and 1908 Bertrand Russell proposed various "theories of type" in response to his discovery that Gottlob Frege's version of naive set theory was afflicted with Russell's paradox. (wikipedia.org)
  • Initially
  • Georg Frobenius initially developed representation theory of finite groups entirely based on the characters, and without any explicit matrix realization of representations themselves. (wikipedia.org)
  • Social comparison theory , initially proposed by social psychologist Leon Festinger in 1954, centers on the belief that there is a drive within individuals to gain accurate self-evaluations. (wikipedia.org)
  • Fundamental
  • In particular, the equivalent lone pairs of water and carbonyl compounds in VSEPR theory neglect fundamental differences in the symmetries (σ vs. π) of molecular orbitals and natural bond orbitals that correspond to them, a difference that is sometimes chemically significant. (wikipedia.org)
  • phenomena
  • Stage theory" can also be applied beyond psychology to describe phenomena more generally where multiple phases lead to an outcome. (wikipedia.org)
  • It was developed to formalize problems arising in the study of various natural and social phenomena, and has close ties to the theories of optimal control and set-valued analysis. (wikipedia.org)
  • atomic
  • The two theories were considered to be equivalent at the time, but kinetic theory was the more modern one, as it used a few ideas from atomic theory and could explain both combustion and calorimetry. (wikipedia.org)
  • Rendered obsolete by cytology , discovery of DNA , and atomic theory . (wikipedia.org)
  • observations
  • Also, the application of the theories of Carl Friedrich Gauss to magnetic observations showed that Earth's magnetic field had an internal, rather than external, origin. (wikipedia.org)
  • explanation
  • Other ideas which have made the transition include the germ theory of disease, Birkeland's explanation of the aurora, prions, and complexity theory in project management. (wikipedia.org)
  • First proposed in 1965 by Ronald Melzack and Patrick Wall , the theory offers a physiological explanation for the previously observed effect of psychology on pain perception. (wikipedia.org)
  • The theory offered a physiological explanation for the previously observed effect of psychology on pain perception. (wikipedia.org)
  • intuition
  • The above intuition of domains being information orderings will be emphasized to motivate the mathematical formalization of the theory. (wikipedia.org)
  • The theory formalizes this intuition, by introducing mathematical models of computation to study these problems and quantifying the amount of resources needed to solve them, such as time and storage. (princeton.edu)
  • formalizes
  • Domain theory formalizes the intuitive ideas of approximation and convergence in a very general way and has close relations to topology. (wikipedia.org)
  • genetic
  • Coalescent theory can be used to make inferences about population genetic parameters, such as migration, population size and recombination . (wikipedia.org)
  • Coalescent theory can also be used to model the amount of variation in DNA sequences expected from genetic drift and mutation. (wikipedia.org)
  • Mendelian genetics , classical genetics , Boveri-Sutton chromosome theory - first genetic theories. (wikipedia.org)
  • informal
  • Theory Lunch is an informal seminar run by Algorithms and Complexity Theory Group on Wednesdays, noon till 1pm, in NSH 1507 (unless otherwise specified). (cmu.edu)
  • In work on Zermelo-Fraenkel set theory , the notion of class is informal, whereas other set theories, such as von Neumann-Bernays-Gödel set theory , axiomatize the notion of "proper class", e.g., as entities that are not members of another entity. (wikipedia.org)
  • phenomenon
  • In singularity theory the general phenomenon of points and sets of singularities is studied, as part of the concept that manifolds (spaces without singularities) may acquire special, singular points by a number of routes. (wikipedia.org)
  • work
  • At about the same time as Hironaka's work, the catastrophe theory of René Thom was receiving a great deal of attention. (wikipedia.org)
  • This is another branch of singularity theory, based on earlier work of Hassler Whitney on critical points. (wikipedia.org)
  • Leont'ev, one of the principal founders of activity theory, both developed and reacted against Vygotsky's work. (wikipedia.org)
  • Veneer theory is a term coined by Dutch primatologist Frans de Waal to label the Hobbesian view of human morality that he criticizes throughout his work. (wikipedia.org)
  • In 2016, Oliver Hart and Bengt R. Holmström both received the Nobel Memorial Prize in Economic Sciences for their work on contract theory, covering many topics from CEO pay to privatizations. (wikipedia.org)