# C. B. Collins

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Cosmologist

For the political figure, see [C. B. Collins (treasurer)](/source/C._B._Collins_(treasurer)).

**Christopher Barry Collins** is a [cosmologist](/source/Cosmology) who has written many papers with [Stephen Hawking](/source/Stephen_Hawking). He is a [professor emeritus](/source/Professor_emeritus) of [applied mathematics](/source/Applied_mathematics) at the [University of Waterloo](/source/University_of_Waterloo).[1]

Collins earned his Ph.D. in 1972 from the [University of Cambridge](/source/University_of_Cambridge) under the supervision of F. Gerard Friedlander.[2] Among his works with Hawking is a 1973 paper that uses the [anthropic principle](/source/Anthropic_principle) to provide a solution to the [flatness problem](/source/Flatness_problem).[3][4][5]

## Selected publications

- Collins, C. B. (1971), ["More qualitative cosmology"](http://projecteuclid.org/euclid.cmp/1103857597), *Communications in Mathematical Physics*, **23** (2): 137–158, [Bibcode](/source/Bibcode_(identifier)):[1971CMaPh..23..137C](https://ui.adsabs.harvard.edu/abs/1971CMaPh..23..137C), [doi](/source/Doi_(identifier)):[10.1007/bf01877756](https://doi.org/10.1007%2Fbf01877756), [S2CID](/source/S2CID_(identifier)) [121299977](https://api.semanticscholar.org/CorpusID:121299977).

- Collins, C. B.; [Hawking, S. W.](/source/Stephen_Hawking) (1973), "Why is the Universe Isotropic?", *Astrophysical Journal*, **180**: 317–334, [Bibcode](/source/Bibcode_(identifier)):[1973ApJ...180..317C](https://ui.adsabs.harvard.edu/abs/1973ApJ...180..317C), [doi](/source/Doi_(identifier)):[10.1086/151965](https://doi.org/10.1086%2F151965).

- Collins, C. B.; [Hawking, S. W.](/source/Stephen_Hawking); [Sciama, D. W.](/source/Dennis_W._Sciama) (1973), "The rotation and distortion of the universe", *Monthly Notices of the Royal Astronomical Society*, **162** (4): 307–320, [Bibcode](/source/Bibcode_(identifier)):[1973MNRAS.162..307C](https://ui.adsabs.harvard.edu/abs/1973MNRAS.162..307C), [doi](/source/Doi_(identifier)):[10.1093/mnras/162.4.307](https://doi.org/10.1093%2Fmnras%2F162.4.307).

- Collins, C. B.; [Ellis, G. F. R.](/source/George_F._R._Ellis) (1979), "Singularities in Bianchi cosmologies", *Physics Reports*, **56** (2): 65–105, [Bibcode](/source/Bibcode_(identifier)):[1979PhR....56...65C](https://ui.adsabs.harvard.edu/abs/1979PhR....56...65C), [doi](/source/Doi_(identifier)):[10.1016/0370-1573(79)90065-6](https://doi.org/10.1016%2F0370-1573%2879%2990065-6).

- Collins, C. B.; Glass, E. N.; Wilkinson, D. A. (1980), "Exact spatially homogeneous cosmologies", *General Relativity and Gravitation*, **12** (10): 805–823, [Bibcode](/source/Bibcode_(identifier)):[1980GReGr..12..805C](https://ui.adsabs.harvard.edu/abs/1980GReGr..12..805C), [doi](/source/Doi_(identifier)):[10.1007/bf00763057](https://doi.org/10.1007%2Fbf00763057), [S2CID](/source/S2CID_(identifier)) [123332177](https://api.semanticscholar.org/CorpusID:123332177).

## See also

- [List of University of Waterloo people](/source/List_of_University_of_Waterloo_people)

## References

1. **[^](#cite_ref-1)** [Faculty profile](https://uwaterloo.ca/applied-mathematics/about/people/cbcollin)[*[permanent dead link](https://en.wikipedia.org/wiki/Wikipedia:Link_rot)*], Univ. of Waterloo, retrieved 2015-07-22.

1. **[^](#cite_ref-2)** [Christopher Barry Collins](https://mathgenealogy.org/id.php?id=127502) at the [Mathematics Genealogy Project](/source/Mathematics_Genealogy_Project)

1. **[^](#cite_ref-3)** Davies, P. C. W. (1977), [*Space and Time in the Modern Universe*](https://books.google.com/books?id=SZI5AAAAIAAJ&pg=PA215), [Cambridge University Press](/source/Cambridge_University_Press), p. 215, [ISBN](/source/ISBN_(identifier)) [9780521291514](https://en.wikipedia.org/wiki/Special:BookSources/9780521291514).

1. **[^](#cite_ref-4)** Silk, Joseph (1994), [*Cosmic Enigmas*](https://books.google.com/books?id=ovXYxdSuOhkC&pg=PA35), Masters of Modern Physics, vol. 10, Springer, p. 35, [ISBN](/source/ISBN_(identifier)) [9781563960611](https://en.wikipedia.org/wiki/Special:BookSources/9781563960611).

1. **[^](#cite_ref-5)** Breuer, Reinhard (2013), [*The Anthropic Principle: Man as the Focal Point of Nature*](https://books.google.com/books?id=ZXkECAAAQBAJ&pg=PA111), Springer, p. 111, [ISBN](/source/ISBN_(identifier)) [9781489967411](https://en.wikipedia.org/wiki/Special:BookSources/9781489967411).

Authority control databases: Academics Mathematics Genealogy Project MathSciNet

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