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  2. Quantum geometry - Wikipedia

    en.wikipedia.org/wiki/Quantum_geometry

    Each theory of quantum gravity uses the term "quantum geometry" in a slightly different fashion. String theory, a leading candidate for a quantum theory of gravity, uses it to describe exotic phenomena such as T-duality and other geometric dualities, mirror symmetry, topology-changing transitions [clarification needed], minimal possible distance scale, and other effects that challenge intuition.

  3. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Also in 2016, Quizlet launched "Quizlet Live", a real-time online matching game where teams compete to answer all 12 questions correctly without an incorrect answer along the way. [15] In 2017, Quizlet created a premium offering called "Quizlet Go" (later renamed "Quizlet Plus"), with additional features available for paid subscribers.

  4. Wigner's theorem - Wikipedia

    en.wikipedia.org/wiki/Wigner's_theorem

    E.P. Wigner (1902–1995), ForMemRS, first proved the theorem bearing his name.It was a key step towards the modern classification scheme of particle types, according to which particle types are partly characterized by which representation of the Lorentz group under which it transforms.

  5. Introduction to the mathematics of general relativity - Wikipedia

    en.wikipedia.org/wiki/Introduction_to_the...

    In physics, as well as mathematics, a vector is often identified with a tuple, or list of numbers, which depend on a coordinate system or reference frame. If the coordinates are transformed, such as by rotation or stretching the coordinate system, the components of the vector also transform.

  6. Five-dimensional space - Wikipedia

    en.wikipedia.org/wiki/Five-dimensional_space

    Therefore, the geometry of the 5th dimension studies the invariant properties of such space-time, as we move within it, expressed in formal equations. [11] Fifth dimensional geometry is generally represented using 5 coordinate values (x,y,z,w,v), where moving along the v axis involves moving between different hyper-volumes .

  7. Symplectic integrator - Wikipedia

    en.wikipedia.org/wiki/Symplectic_integrator

    Symplectic integrators form the subclass of geometric integrators which, by definition, are canonical transformations. They are widely used in nonlinear dynamics, molecular dynamics, discrete element methods, accelerator physics, plasma physics, quantum physics, and celestial mechanics.

  8. Spinor - Wikipedia

    en.wikipedia.org/wiki/Spinor

    In geometry and physics, spinors (pronounced "spinner" IPA / s p ɪ n ər /) are elements of a complex vector space that can be associated with Euclidean space. [ b ] A spinor transforms linearly when the Euclidean space is subjected to a slight ( infinitesimal ) rotation, [ c ] but unlike geometric vectors and tensors , a spinor transforms to ...

  9. Geometry of numbers - Wikipedia

    en.wikipedia.org/wiki/Geometry_of_numbers

    Geometry of numbers is the part of number theory which uses geometry for the study of algebraic numbers. Typically, a ring of algebraic integers is viewed as a lattice in R n , {\displaystyle \mathbb {R} ^{n},} and the study of these lattices provides fundamental information on algebraic numbers. [ 1 ]