@manual{ AutoDoc,
author = {Gutsche, S. and Horn, M.},
title = {{AutoDoc
\texttt{
\symbol{45}} Generate documentation
from GAP source code (Version 2017.09.15)}},
year = {2017},
note = {GAP package,
\href
{
https://github.com/gap-packages/AutoDoc}
{
\texttt{
https://github.com/}\discretionary
{}{}{}
\texttt{gap
\texttt{
\symbol{45}}packages/}
\discretionary
{}{}{}
\texttt{AutoDoc}}},
printedkey = {GH17}
}
@manual{ GAPDoc,
author = {L{
\"u}beck, F. and Neunh{
\"o}ffer, M.},
title = {{GAPDoc (version 1.6)}},
organization = {RWTH Aachen},
year = {2017},
note = {GAP package,
\href
{
https://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/index.html}
{
\texttt{
https://www.math.rwth\texttt{
\symbol{45}}aachen.de/}
\discretionary
{}{}{}
\texttt{
\texttt{
\symbol{126}}Frank.Luebeck/}
\discretionary
{}{}{}
\texttt{GAPDoc/}
\discretionary
{}{}{}
\texttt{index.html}}},
printedkey = {LN17}
}
@manual{ GitHubPagesForGAP,
author = {Horn, M.},
title = {{GitHubPagesForGAP
\texttt{
\symbol{45}} Template for
easily using GitHub
Pages within GAP packages (Version
0.2)}},
year = {2017},
note = {GAP package,
\href
{
https://gap-system.github.io/GitHubPagesForGAP/}
{
\texttt{
https://gap\texttt{
\symbol{45}}system.github.io/}
\discretionary
{}{}{}
\texttt{GitHubPagesForGAP/}}},
printedkey = {Hor17}
}
@phdthesis{ A1,
author = {Alp, M.},
title = {GAP, crossed modules, cat1
\texttt{
\symbol{45}}groups:
applications of computational group theory},
school = {University of Wales, Bangor},
year = {1997},
printedkey = {Alp97}
}
@
article{ AW1,
author = {Alp, M. and Wensley, C. D.},
title = {Enumeration of cat1
\texttt{
\symbol{45}}groups of low
order},
journal = {Int. J. Algebra and Computation},
volume = {10},
year = {2000},
pages = {407
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}424},
printedkey = {AW00}
}
@
article{ AW2,
author = {Alp, M. and Wensley, C. D.},
title = {Automorphisms and homotopies of groupoids and crossed
modules},
journal = {Applied Categorical Structures},
volume = {18},
year = {2010},
pages = {473
\texttt{
\symbol{45}}495},
printedkey = {AW10}
}
@
article{ AOW,
author = {Arvasi, Z. and Odabas, A. and Wensley, C. D.},
title = {Computing 3
\texttt{
\symbol{45}}Dimensional Groups :
Crossed Squares and Cat2
\texttt{
\symbol{45}}groups},
journal = {J. Symbolic Computation},
volume = {114},
year = {2023},
pages = {267
\texttt{
\symbol{45}}281},
printedkey = {AOW23}
}
@inproceedings{ B82,
author = {Brown, R.},
editor = {Brown, R. and Thickstun, T. L.},
booktitle = {Low
\texttt{
\symbol{45}}dimensional topology},
title = {Higher
\texttt{
\symbol{45}}dimensional group theory},
publisher = {Cambridge University Press},
series = {London Math. Soc. Lecture Note Series},
volume = {48},
year = {1982},
pages = {215
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}238},
printedkey = {Bro82}
}
@
article{ B18,
author = {Brown, R.},
title = {Crossed modules, and the homotopy
2
\texttt{
\symbol{45}}type of a free loop space},
journal = {arXiv:1003.5617 [math.AT]},
year = {2018},
pages = {1
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}11},
printedkey = {Bro18}
}
@
article{ BH1,
author = {Brown, R. and Higgins, P. J.},
title = {On the connection between the second relative homotopy
group and some related spaces},
journal = {Proc. London Math. Soc.},
volume = {36},
year = {1978},
pages = {193
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}212},
printedkey = {BH78}
}
@
book{ brow:hig:siv,
author = {Brown, R. and Higgins, P. J. and Sivera, R.},
title = {Nonabelian algrebraic topology},
publisher = {European Mathematical Society},
series = {Tracts in Mathematics},
volume = {15},
year = {2011},
printedkey = {BHS11}
}
@
article{ brow:lod,
author = {Brown, R. and Loday, J.
\texttt{
\symbol{45}}L.},
title = {Van {K}ampen theorems for diagram of spaces},
journal = {Topology},
volume = {26},
year = {1987},
pages = {311
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}335},
printedkey = {BL87}
}
@
article{ BW1,
author = {Brown, R. and Wensley, C. D.},
title = {On finite induced crossed modules, and the homotopy
$2$
\texttt{
\symbol{45}}type of mapping cones},
journal = {Theory and Applications of Categories},
volume = {1},
year = {1995},
pages = {54
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}71},
printedkey = {BW95}
}
@
article{ BW2,
author = {Brown, R. and Wensley, C. D.},
title = {Computing crossed modules induced by an inclusion of a
normal subgroup, with applications to homotopy
$2$
\texttt{
\symbol{45}}types},
journal = {Theory and Applications of Categories},
volume = {2},
year = {1996},
pages = {3
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}16},
printedkey = {BW96}
}
@
article{ BW3,
author = {Brown, R. and Wensley, C. D.},
title = {Computation and homotopical applications of induced
crossed modules},
journal = {J. Symbolic Computation},
volume = {35},
year = {2003},
pages = {59
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}72},
printedkey = {BW03}
}
@phdthesis{ E1,
author = {Ellis, G.},
title = {Crossed modules and their higher dimensional analogues},
school = {University of Wales, Bangor},
year = {1984},
printedkey = {Ell84}
}
@
article{ ell:st,
author = {Ellis, G. and Steiner, R.},
title = {Higher dimensional crossed modules and the homotopy
groups of (n+1)
\texttt{
\symbol{45}}ads.},
journal = {J. Pure and Appl. Algebra},
volume = {46},
year = {1987},
pages = {117
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}136},
printedkey = {ES87}
}
@
article{ EL,
author = {Ellis, G. J. and Le, V. L.},
title = {Homotopy 2
\texttt{
\symbol{45}}types of low order},
journal = {Experimental Math.},
volume = {23},
year = {2014},
pages = {383
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}389},
printedkey = {EL14}
}
@
article{ G1,
author = {Gilbert, N. D.},
title = {Derivations, automorphisms and crossed modules},
journal = {Comm. in Algebra},
volume = {18},
year = {1990},
pages = {2703
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}2734},
printedkey = {Gil90}
}
@
article{ IOU1,
author = {Ilgaz, E. and Odabas, A. and Uslu, E. O.},
title = {Isoclinism of crossed modules},
journal = {J. Symb. Comput.},
volume = {},
year = {2016},
pages = {1
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}17},
note = {
https://doi.org/10.1016/j.jsc.2015.08.006},
printedkey = {IOU16}
}
@
article{ JNO,
author = {James, R. and Newman, M. F. and O
'Brien, E. A.},
title = {The groups of order 128},
journal = {J. Algebra},
volume = {129},
year = {1990},
pages = {136
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}158},
printedkey = {JNO90}
}
@
article{ L1,
author = {Loday, J.
\texttt{
\symbol{45}}L.},
title = {Spaces with finitely many
non
\texttt{
\symbol{45}}trivial homotopy groups},
journal = {J. App. Algebra},
volume = {24},
year = {1982},
pages = {179
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}202},
printedkey = {Lod82}
}
@
article{ MW,
author = {Mac Lane, S. and Whitehead, J. H. C.},
title = {On the 3
\texttt{
\symbol{45}}type of a complex},
journal = {Proc. Nat. Acad. Sci. U.S.A.},
volume = {37},
year = {1950},
pages = {41
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}48},
printedkey = {LW50}
}
@phdthesis{ M1,
author = {Moore, E. J.},
title = {Graphs of Groups: Word Computations and Free Crossed
Resolutions},
school = {University of Wales, Bangor},
year = {2001},
printedkey = {Moo01}
}
@phdthesis{ N2,
author = {Norrie, K. J.},
title = {Crossed modules and analogues of group theorems},
school = {King
's College, University of London},
year = {1987},
printedkey = {Nor87}
}
@
article{ N1,
author = {Norrie, K. J.},
title = {Actions and automorphisms of crossed modules},
journal = {Bull. Soc. Math. France},
volume = {118},
year = {1990},
pages = {129
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}146},
printedkey = {Nor90}
}
@
article{ W2,
author = {Whitehead, J. H. C.},
title = {On operators in relative homotopy groups},
journal = {Ann. of Math.},
volume = {49},
year = {1948},
pages = {610
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}640},
printedkey = {Whi48}
}
@
article{ W1,
author = {Whitehead, J. H. C.},
title = {Combinatorial homotopy {I}{I}},
journal = {Bull. Amer. Math. Soc.},
volume = {55},
year = {1949},
pages = {453
\texttt{
\symbol{45}}
\texttt{
\symbol{45}}496},
printedkey = {Whi49}
}