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  2. Multiple time dimensions - Wikipedia

    en.wikipedia.org/wiki/Multiple_time_dimensions

    Itzhak Bars has proposed models of a two-time physics, noting in 2001 that "The 2T-physics approach in d + 2 dimensions offers a highly symmetric and unified version of the phenomena described by 1T-physics in d dimensions." [4] [5] F-theory, a branch of modern string theory, describes a 12-dimensional spacetime having two dimensions of time ...

  3. Multidimensional system - Wikipedia

    en.wikipedia.org/wiki/Multidimensional_system

    In mathematical systems theory, a multidimensional system or m-D system is a system in which not only one independent variable exists (like time), but there are several independent variables. Important problems such as factorization and stability of m -D systems ( m > 1) have recently attracted the interest of many researchers and practitioners.

  4. Multiverse - Wikipedia

    en.wikipedia.org/wiki/Multiverse

    This repeated contact gives rise to multiple or "cyclic" Big Bangs. This particular hypothesis falls under the string theory umbrella as it requires extra spatial dimensions. Cosmos animation of a cyclic universe Cyclic The cyclic multiverse has multiple branes that have collided, causing Big Bangs. The universes bounce back and pass through ...

  5. Multidimensional discrete convolution - Wikipedia

    en.wikipedia.org/wiki/Multidimensional_discrete...

    Convolution in one dimension was a powerful discovery that allowed the input and output of a linear shift-invariant (LSI) system (see LTI system theory) to be easily compared so long as the impulse response of the filter system was known. This notion carries over to multidimensional convolution as well, as simply knowing the impulse response of ...

  6. Extra dimensions - Wikipedia

    en.wikipedia.org/wiki/Extra_dimensions

    Universal extra dimension, proposed and first studied in 2000, assume, at variance with the ADD and RS approaches, that all fields propagate universally in extra dimensions. Multiple time dimensions, i.e. the possibility that there might be more than one dimension of time, has occasionally been discussed in physics and philosophy, although ...

  7. Multidimensional network - Wikipedia

    en.wikipedia.org/wiki/Multidimensional_network

    Such an expanded formulation, in which links may exist within multiple dimensions, is uncommon but has been used in the study of multidimensional time-varying networks. [ 36 ] The World Economic Forum map of global risks and global trends, modeled as an interdependent network (also known as network of networks).

  8. Multidimensional transform - Wikipedia

    en.wikipedia.org/wiki/Multidimensional_transform

    Laplace transforms are used to solve partial differential equations. The general theory for obtaining solutions in this technique is developed by theorems on Laplace transform in n dimensions. [3] The multidimensional Z transform can also be used to solve partial differential equations. [11]

  9. Brane cosmology - Wikipedia

    en.wikipedia.org/wiki/Brane_cosmology

    Download as PDF; Printable version; ... Animation showing multiple brane universes in the bulk. ... If the additional dimensions are compact, then the observed ...