Brian John Day (1945-2012) was an Australian category theorist.

On enriched functor categories:

- Brian Day, Max Kelly,
*Enriched functor categories*, in:*Reports of the Midwest Category Seminar III*, Lecture Notes in Mathematics**106**(1969) 178-191 [doi:10.1007/BFb0059146, pdf]

On limits and colimits and exponential objects in the category Top of topological spaces:

- Brian Day, G. Max Kelly,
*On topological quotients preserved by pullback or products*, Mathematical Proceedings of the Cambridge Philosophical Society**67**3 (1970) 553 - 558 (doi:10.1017/S0305004100045850)

Proving Day's reflection theorem:

- Brian Day,
*A reflection theorem for closed categories*, Journal of Pure and Applied Algebra**2**1 (1972) 1-11. [doi:10.1016/0022-4049(72)90021-7]

On monoidal 2-categories, braided monoidal 2-categories, sylleptic monoidal 2-categories and symmetric monoidal 2-categories (and pseudomonoids):

- Brian Day, Ross Street,
*Monoidal Bicategories and Hopf Algebroids*, Advances in Mathematics Volume 129, Issue 1, 15 July 1997, Pages 99-157 (doi:10.1006/aima.1997.1649)

On lax braided monoidal categories with possibly non-invertible braiding:

- Brian Day, Elango Panchadcharam, Ross Street,
*Lax braidings and the lax centre*, Contemporary Mathematics**441**1 (2007) [pdf, pdf]

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Last revised on June 21, 2023 at 06:26:35. See the history of this page for a list of all contributions to it.