All examples from Chapter 0 of the Kenzo User's Guide appear to be working.

This commit is contained in:
gheber 2015-07-16 15:49:40 -05:00
parent 37e052cfe9
commit 2aecb86a50
3 changed files with 83 additions and 1 deletions

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@ -67,7 +67,7 @@
(defvar os3 (cat:loop-space s3))
(print os3)
(format t "~%~%Retrieving the canonical generator of pi_2(Omega^1S^3):")
(format t "~%~%Creating the canonical generator of pi_2(Omega^1S^3):")
(defvar L1 (cat:loop3 0 's3 1))
(print L1)
@ -89,6 +89,76 @@
(format t "~%~%Calculating the homology group of dimensions 5:~%")
(cat:homology odos3 5)
(format t "~%~%Is S^3 of type Kan? ~A~%" (typep s3 'cat:kan))
(format t "~%~%Is Omega^1S^3 a simplicial group? ~A~%"
(typep os3 'cat:simplicial-group))
(format t "~%~%Is Omega^1S^3 an abelian simplicial group? ~A~%"
(typep os3 'cat:simplicial-group))
(format t "~%~%Creating L2 = (S3)^2 in Omega^1S^3):")
(defvar L2 (cat:loop3 0 's3 2))
(print L2)
(format t "~%~%Applying the product of the underlying algebra to L2#L2:")
(defvar square (cat:aprd os3 4 (cat:tnpr 2 L2 2 L2)))
(print square)
(format t "~%~%Select the generator part of the second element:")
(defvar L4 (cat:gnrt (second (cat:cmbn-list square))))
(print L4)
(format t "~%~%Create the \"Kan hat\", the list of the faces 1, 2, 3, 4 of L4:")
(defvar hat (mapcar #'(lambda (i) (cat:face os3 i 4 L4)) '(1 2 3 4)))
(print hat)
(format t "~%~%Try to find a filling of this \"Kan hat\":")
(defvar kan-simplex (cat:kfll os3 0 4 hat))
(print kan-simplex)
(format t "~%~%Face two of the previous simplex is the same as face 2 of L4:")
(print (cat:face os3 2 4 kan-simplex))
(print (second hat))
(format t "~%~%Creating the classifying space of Omega^1S^3):")
(defvar cls-os3 (cat:classifying-space os3))
(print cls-os3)
(format t "~%~%Is it a simplicial group? ~A~%"
(typep cls-os3 'cat:simplicial-group))
(format t "~%~%Verifying that its 4th homology is null:~%")
(cat:homology cls-os3 4)
(format t "~%~%Constructing the fundamental cohomology class of Moore(Z/2Z,3):")
(defvar ch3 (cat:chml-clss m23 3))
(print ch3)
(format t "~%~%Build a fibration over Moore(Z/Z2,3) associated w/ this class:")
(defvar f3 (cat:z2-whitehead m23 ch3))
(print f3)
(format t "~%~%Build the fibration's total space:")
(defvar x4 (cat:fibration-total f3))
(print x4)
(format t "~%~%The H_4 of this total space is the pi_4 of Moore(Z/2Z):~%")
(cat:homology x4 3 5)
(format t "~%~%We iterate the process to compute pi_5 of Moore(Z/2Z):~%")
(defvar ch4 (cat:chml-clss x4 4))
(print ch4)
(defvar f4 (cat:z2-whitehead x4 ch4))
(print f4)
(defvar x5 (cat:fibration-total f4))
(print x5)
(cat:homology x5 4 6)
(format t "~%~%Hence, pi_5(Moore(Z/2Z)) is Z/4Z. QED~%")
#+ccl (quit)
#+sbcl (sb-ext:exit)

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@ -101,6 +101,7 @@
;; classes.lisp
ABSM
AB-SIMPLICIAL-GROUP
BCC
BRGN
CHAIN-COMPLEX
@ -119,6 +120,7 @@
H
HOMOTOPY-EQUIVALENCE
IABSM
KAN
LRDCT
MAKE-ABAR
MAKE-CMBN
@ -127,10 +129,15 @@
ORGN
REDUCTION
RRDCT
SIMPLICIAL-GROUP
SORC
TCC
TNPR
;; classifying-space.lisp
CLASSIFYING-SPACE
;; combinations.lisp
2CMBN-ADD
@ -357,6 +364,7 @@
;; whitehead.lisp
Z-WHITEHEAD
Z2-WHITEHEAD
))

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@ -23,6 +23,7 @@
:CBGN "CoBar-GeNerator"
:CFFC "CoeFFiCient"
:CHCM "CHain-CoMplex"
:CHML "CoHoMoLogy"
:CLNM "CaL NuMber"
:CMBN "CoMBiNation"
:CMPR "CoMPaRison"
@ -64,6 +65,9 @@
:ILOOP "Internal LOOP"
:INTR "INTeRnal-"
;; K
:KFLL "\"Kan hat\" FiLLing"
;; L
:LF "Left F"
:LG "Left G"