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The Cosmological Constant [PDF]
Living Reviews in Relativity, 2001 50 pages.
Sean Carroll, Carroll Sean M
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Journal of Philosophical Logic, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Camillo Fiore +2 more
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Camillo Fiore +2 more
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Constant morphisms and constant subcategories
Applied Categorical Structures, 1995Let \({\mathcal K}\) be a category with an \(({\mathcal E}, {\mathcal M})\)-factorization system and let \({\mathcal C}\) be a subcategory of \({\mathcal K}\) closed under \({\mathcal M}\)-subobjects and \({\mathcal E} \)-quotients. A morphism \(f : A \to B\) of \({\mathcal K}\) is called constant if \(f = g \circ h\) where \(h : A \to C\) for a \(C ...
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ON THE COSMOLOGICAL CONSTANT AS A CONSTANT OF INTEGRATION
Modern Physics Letters A, 1991The possibilities to construct a modification of General Relativity (MGR), where the cosmological constant appears as a constant of integration are considered. A class of new constraints on the metric is found, such that their inclusion in the Hilbert–Einstein action before its variation leads to MGR.
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Communications of the ACM, 1975
The lemniscate constants, and indeed some of the methods used for actually computing them, have played an enormous part in the development of mathematics. An account is given here of some of the methods used—most of the derivations can be made by elementary methods.
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The lemniscate constants, and indeed some of the methods used for actually computing them, have played an enormous part in the development of mathematics. An account is given here of some of the methods used—most of the derivations can be made by elementary methods.
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A Constant that Isn’t Constant
Focus, 2001Spectra from distant quasars imply that a fundamental physical constant may have been increasing slightly over the past six billion years.
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When constants are not constant
Physics World, 2001In the movie The Meaning of Life, the Monty Python team reminds us that we live in "an amazing and expanding universe". Ever since the startling evidence for cosmic expansion was discovered in the 1920s, physicists have considered the possibility that the so-called constants of nature–such as the charge on the electron and the gravitational constant ...
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On a new constant related to Euler’s constant
The Ramanujan Journal, 2017zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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