186 lines
5.2 KiB
Common Lisp
186 lines
5.2 KiB
Common Lisp
;;; FIBRATIONS FIBRATIONS FIBRATIONS FIBRATIONS FIBRATIONS
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;;; FIBRATIONS FIBRATIONS FIBRATIONS FIBRATIONS FIBRATIONS
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;;; FIBRATIONS FIBRATIONS FIBRATIONS FIBRATIONS FIBRATIONS
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(IN-PACKAGE "CAT")
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(PROVIDE "fibrations")
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(DEFUN FIBRATION-TOTAL-FACE (fibration
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&aux (base (sorc fibration))
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(bface (face base))
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(fibr (trgt fibration))
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(fbsgn (bsgn fibr))
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(fface (face fibr))
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(grml (grml fibr))
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(grml-sintr (sintr grml))
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(totl (crts-prdc base fibr))
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(uface (face totl))
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(sintr-twist (sintr fibration)))
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(declare
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(type fibration fibration)
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(type simplicial-mrph grml)
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(type simplicial-set base totl)
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(type simplicial-group fibr)
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(type gmsm fbsgn)
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(type face bface fface uface)
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(type sintr grml-sintr sintr-twist))
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(flet ((rslt (indx dmns crpr)
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(declare
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(fixnum indx dmns)
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(type crpr crpr))
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(the absm
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(progn
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(when (< indx dmns)
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(return-from rslt
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(funcall uface indx dmns crpr)))
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(with-crpr (b-absm f-absm) crpr
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(let ((deln-b
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(a-face4 bface dmns dmns
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b-absm))
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(deln-f
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(a-face4 fface dmns dmns
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f-absm))
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(tau-b
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(tw-a-sintr3 sintr-twist dmns
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b-absm fbsgn)))
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(declare
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( type absm deln-b deln-f tau-b))
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(2absm-acrpr
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deln-b
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(a-grml4 grml-sintr (1- dmns)
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tau-b deln-f))))))))
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(the face #'rslt)))
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#|
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(cat-init)
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(setf h (hopf 1))
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(setf sf (serre-face h))
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(funcall sf 0 2 (crpr 0 's2 0 '(2 4)))
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(funcall sf 1 2 (crpr 0 's2 0 '(2 4)))
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(funcall sf 2 2 (crpr 0 's2 0 '(2 4)))
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(funcall sf 3 3 (crpr 1 's2 2 '(2 4)))
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|#
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(DEFUN FIBRATION-TOTAL (fibration
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&aux
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(base (sorc fibration))
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(fibre (trgt fibration))
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(untwisted-prdc
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(crts-prdc base fibre)))
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(declare (type fibration fibration))
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(the simplicial-set
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(let ((rslt (simplicial-set
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:cmpr (cmpr untwisted-prdc)
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:basis (basis untwisted-prdc)
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:bsgn (bsgn untwisted-prdc)
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:face (fibration-total-face fibration)
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:dfnt `(fibration-total ,fibration))))
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(declare (type simplicial-set rslt))
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(setf (slot-value rslt 'grmd) untwisted-prdc)
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(when (and (typep base 'kan)
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(typep fibre 'kan))
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(change-class rslt 'kan)
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(setf (slot-value rslt 'kfll)
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(fibration-kfll fibration)))
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rslt)))
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#|
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(cat-init)
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(setf s2 (sphere 2))
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(setf k (k-z-1))
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(setf tw (simplicial-mrph
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:sorc s2
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:trgt k
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:degr -1
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:sintr #'(lambda (dmns gmsm)
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(absm 0 (list 1)))
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:dfnt '(s2-tw-kz1)))
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(setf e (fibration-total tw))
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(homology e 2)
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(homology e 0 8)
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(cat-init)
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(setf s2 (sphere 2))
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(setf k (k-z2-1))
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(setf tw (simplicial-mrph
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:sorc s2
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:trgt k
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:degr -1
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:sintr #'(lambda (dmns gmsm)
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(absm 0 1))
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:dfnt '(s2-tw-kz2)))
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(setf e (fibration-total tw))
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(homology e 2)
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(homology e 0 8)
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|#
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(DEFUN FIBRATION-KFLL (twist
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&aux (sintr-twist (sintr twist))
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(base (sorc twist))
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(fibre (trgt twist))
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(fbsgn (bsgn fibre))
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(bkfll (kfll base))
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(fkfll (kfll fibre))
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(grml-sintr (sintr (grml fibre)))
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(grin-sintr (sintr (grin fibre))))
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(declare
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(type fibration twist)
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(type kan base fibre)
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(type gmsm fbsgn)
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(type kfll bkfll fkfll)
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(type sintr grml-sintr grin-sintr))
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(flet ((rslt (indx dmns hat)
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(declare
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(fixnum indx dmns)
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(list hat))
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(let (bhat fhat)
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(declare (type list bhat fhat))
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(do ((mark hat (cdr mark)))
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((endp mark))
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(declare (list mark))
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(let ((absm (car mark)))
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(declare (type absm absm))
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(with-absm (dgop crpr) absm
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(with-crpr (dgop1 gmsm1 dgop2 gmsm2) crpr
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(push (absm (dgop*dgop dgop dgop1) gmsm1) bhat)
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(push (absm (dgop*dgop dgop dgop2) gmsm2) fhat)))))
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(setf bhat (nreverse bhat))
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(let ((bkfll (funcall bkfll indx dmns bhat)))
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(declare (type absm bkfll))
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(when (< indx dmns)
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(setf (first fhat)
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(a-grml4 grml-sintr (1- dmns)
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(a-grin4 grin-sintr (1- dmns)
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(tw-a-sintr3 sintr-twist dmns bkfll fbsgn))
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(first fhat))))
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(setf fhat (nreverse fhat))
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(let ((fkfll (funcall fkfll indx dmns fhat)))
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(declare (type absm fkfll))
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(2absm-acrpr bkfll fkfll))))))
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(the kfll #'rslt)))
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#|
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(cat-init)
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(load "r-proj-space")
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(setf tw (kdivide-z2-twist opr opr-chml-clss))
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(setf pr-4 (fibration-total tw))
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(setf absm (absm 0 (crpr 0 (loop3 0 5 2) 0 4)))
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(setf hat (mapcar #'(lambda (i) (face pr-4 i 4 absm))
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(<a-b> 0 4)))
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(dotimes (i 5)
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(print (kfll pr-4 i 4 (remove (nth i hat) hat)))
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(check-kan pr-4 i 4 (remove (nth i hat) hat)))
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|#
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#|
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(cat-init)
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(setf os3-fibration os3-fibration)
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(setf total (fibration-total os3-fibration))
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(setf absm (absm 1 (crpr 0 (loop3 1 's3 1 2 's3 -2)
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0 '(-2 1 1))))
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(setf hat (mapcar #'(lambda (i) (face total i 4 absm))
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'(0 1 2 3 4)))
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(dotimes (i 5)
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(print (kfll total i 4 (remove (nth i hat) hat)))
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(check-kan total i 4 (remove (nth i hat) hat)))
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|# |