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    • CommentRowNumber1.
    • CommentAuthorJohn Baez
    • CommentTimeFeb 13th 2021

    Added some references to Bob Walter’s work, with links.

    diff, v6, current

    • CommentRowNumber2.
    • CommentAuthorRodMcGuire
    • CommentTimeJul 28th 2022
    • (edited Jul 28th 2022)

    noted linkrot for 3 links, rescuing one from the InternetArchive and using that to add his birth date and Insubria.

    Bob Walters (1943-2015), often called R F C Walters (Robert Frank Carslaw Walters), taught at the University of Sydney and from 1999 at the University of Insubria.

    diff, v10, current

    • CommentRowNumber3.
    • CommentAuthorBryceClarke
    • CommentTimeFeb 27th 2023

    Added the following reference:

    diff, v14, current

    • CommentRowNumber4.
    • CommentAuthorUrs
    • CommentTimeFeb 27th 2023

    added DOI-link to:

    • Piergiulio Katis, Nicoletta Sabadini, Bob Walters: Span(Graph)Span(Graph): A categorical algebra of transition systems, in Michael Johnson (ed.), Algebraic Methodology and Software Technology, AMAST ’97, Lecture Notes in Computer Science 1349, Springer (1997) 307–321 [doi:10.1007/BFb0000479, ps]

    diff, v15, current

    • CommentRowNumber5.
    • CommentAuthorUrs
    • CommentTimeFeb 27th 2023

    also added the DOI for:

    By the way, these and other articles are marked as “On Cartesian bicategories”, but are not referenced there.

    diff, v15, current