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  2. Multiverse - Wikipedia

    en.wikipedia.org/wiki/Multiverse

    In the eternal inflation theory, which is a variant of the cosmic inflation theory, the multiverse or space as a whole is stretching and will continue doing so forever, [68] but some regions of space stop stretching and form distinct bubbles (like gas pockets in a loaf of rising bread). Such bubbles are embryonic level I multiverses.

  3. Mathematical universe hypothesis - Wikipedia

    en.wikipedia.org/wiki/Mathematical_universe...

    Stoeger, Ellis, and Kircher [11]: sec. 7 note that in a true multiverse theory, "the universes are then completely disjoint and nothing that happens in any one of them is causally linked to what happens in any other one. This lack of any causal connection in such multiverses really places them beyond any scientific support".

  4. Cosmic inflation - Wikipedia

    en.wikipedia.org/wiki/Cosmic_inflation

    The multiverse theory has created significant dissension in the scientific community about the viability of the inflationary model. Paul Steinhardt , one of the original architects of the inflationary model, introduced the first example of eternal inflation in 1983. [ 97 ]

  5. Multiverse analysis - Wikipedia

    en.wikipedia.org/wiki/Multiverse_analysis

    Multiverse analysis is a scientific method that specifies and then runs a set of plausible alternative models or statistical tests for a single hypothesis. [1] It is a method to address the issue that the "scientific process confronts researchers with a multiplicity of seemingly minor, yet nontrivial, decision points, each of which may introduce variability in research outcomes". [2]

  6. Eternal inflation - Wikipedia

    en.wikipedia.org/wiki/Eternal_inflation

    Paul Steinhardt, who produced the first example of eternal inflation, [1] eventually became a strong and vocal opponent of the theory. He argued that the multiverse represented a breakdown of the inflationary theory, because, in a multiverse, any outcome is equally possible, so inflation makes no predictions and, hence, is untestable.

  7. Mainstream economics - Wikipedia

    en.wikipedia.org/wiki/Mainstream_economics

    The term "mainstream economics" came into use in the late 20th century. It appeared in 2001 edition of the textbook Economics by Samuelson and Nordhaus on the inside back cover in the "Family Tree of Economics", which depicts arrows into "Modern Mainstream Economics" from Keynes (1936) and neoclassical economics (1860–1910). [14]

  8. Our Mathematical Universe - Wikipedia

    en.wikipedia.org/wiki/Our_Mathematical_Universe

    The culmination that Tegmark seeks to lead us to is the "Level IV multiverse". This level contends that the Universe is not just well described by mathematics, but, in fact, is mathematics. All possible mathematical structures have a physical existence, and collectively, give a multiverse that subsumes all others.

  9. Andrei Linde - Wikipedia

    en.wikipedia.org/wiki/Andrei_Linde

    In order to do so, one would need to prove that only one of the many vacua of string theory is actually possible, and to propose an alternative solution of the many problems which can be solved by using the anthropic cosmological principle in the context of the theory of inflationary multiverse., [3] [4]