kenzo/src/eilenberg-zilber.lisp
gheber 64e1beaa77 Source reorg
Subdirectories, .cl -> .lisp
2014-12-24 04:07:54 -06:00

480 lines
17 KiB
Common Lisp

;;; EILENBERG-ZILBER EILENBERG-ZILBER EILENBERG-ZILBER
;;; EILENBERG-ZILBER EILENBERG-ZILBER EILENBERG-ZILBER
;;; EILENBERG-ZILBER EILENBERG-ZILBER EILENBERG-ZILBER
(IN-PACKAGE "COMMON-LISP-USER")
(PROVIDE "eilenberg-zilber")
(DEFUN SHUFFLE-SIGN (dgop)
(declare (fixnum dgop))
(the fixnum
(do ((rslt +1)
(bit-position (- (integer-length dgop) 2) (1- bit-position))
(factor -1))
((minusp bit-position) rslt)
(declare (fixnum rslt bit-position factor))
(if (logbitp bit-position dgop)
(setf factor (- factor))
(setf rslt (* rslt factor))))))
#|
(dotimes (i 30)
(format t "~%~A => ~@D" (hyphenize-list (dlop-int-ext i)) (shuffle-sign i)))
|#
(DEFUN INTR-EML (cmbn)
(declare (type cmbn cmbn))
(when (cmbn-zero-p cmbn)
(return-from intr-eml cmbn))
(the cmbn
(with-cmbn (degr list) cmbn
(let* ((limits (make-array (+ degr 2)))
(rslt (list nil))
(rslt-mark rslt)
(mask (mask degr)))
(declare
(simple-vector limits)
(list rslt rslt-mark)
(fixnum mask))
(do ((mark list (member i mark
:test #'<
:key #'(lambda (term)
(declare (type term term))
(degr1 (gnrt term)))))
(i 0 (1+ i)))
((> i degr) (setf (svref limits i) nil))
(declare
(list mark)
(fixnum i))
(setf (svref limits i) mark))
(dotimes (dgop1 (1+ mask))
(declare (fixnum dgop1))
(let* ((i (- degr (logcount dgop1)))
(dgop2 (- mask dgop1))
(sign (shuffle-sign dgop2)))
(declare (fixnum i dgop2 sign))
(do ((mark (svref limits i) (cdr mark))
(stop (svref limits (1+ i))))
((eq mark stop))
(declare (list mark stop))
(with--term (cffc tnpr) mark
(setf rslt-mark
(setf (cdr rslt-mark)
(list (term
(* sign cffc)
(crpr
dgop1 (gnrt1 tnpr)
dgop2 (gnrt2 tnpr))))))))))
(make-cmbn
:degr degr
:list (rest rslt))))))
#|
(intr-eml (cmbn 3 1 (tnpr 0 'a 3 'b) 2 (tnpr 2 'a 1 'b) 3 (tnpr 2 'aa 1 'bb) 4 (tnpr 3 'a 0 'b)))
(intr-eml (cmbn 3 1 (tnpr 1 'c 2 'd) 10 (tnpr 2 'a 1 'b)))
(intr-eml (cmbn 3 10 (tnpr 1 'c 2 'd) 1 (tnpr 2 'a 1 'b) 100 (tnpr 2 'aa 1 'bb)))
(intr-eml (cmbn 3 10 (tnpr 1 'c 2 'd) 100 (tnpr 1 'cc 2 'dd) 1 (tnpr 2 'a 1 'b)))
|#
(DEFUN EML (smst1 smst2)
(build-mrph
:sorc (tnsr-prdc smst1 smst2)
:trgt (crts-prdc smst1 smst2)
:degr 0
:intr #'intr-eml
:strt :cmbn
:orgn `(eml ,smst1 ,smst2)))
#|
(cat-init)
(setf d (delta-infinity))
(setf eml (eml d d))
(? eml (cmbn 3 1 (tnpr 0 1 3 30) 10 (tnpr 1 3 2 28) 100 (tnpr 2 7 1 24) 1000 (tnpr 3 15 0 16)))
|#
(DEFUN INTR-PHI (smst1 smst2
&aux (crts-prdc (crts-prdc smst1 smst2))
(cmpr (cmpr crts-prdc))
(face1 (face smst1))
(face2 (face smst2)))
(declare
(type simplicial-set smst1 smst2 crts-prdc)
(type cmprf cmpr)
(type face face1 face2))
(flet ((rslt (cmbn)
(declare (type cmbn cmbn))
(when (cmbn-zero-p cmbn)
(return-from rslt (zero-cmbn (1+ (cmbn-degr cmbn)))))
(the cmbn
(let* ((n (cmbn-degr cmbn))
(n+1 (1+ n))
(array-pq (make-array (list (1+ n+1) (1+ n+1)))))
(declare
(fixnum n n+1)
(simple-array array-pq))
(do ((i 1 (1+ i)))
((> i n+1))
(declare (fixnum i))
(do ((p i (1+ p))
(q n+1 (1- q)))
((> p n+1))
(declare (fixnum p q))
(setf (aref array-pq p q) (zero-cmbn i))))
(dolist (term (cmbn-list cmbn))
(declare (type term term))
(with-term (cffc crpr) term
(let ((absm1 (absm1 crpr))
(absm2 (absm2 crpr)))
(declare (type absm absm1 absm2))
(do ((n-alpha n (1- n-alpha))
(left-d absm1 (a-face4 face1 n-alpha n-alpha left-d)))
((zerop n-alpha))
(declare
(fixnum n-alpha)
(type absm left-d))
(do ((beta 0 (1+ beta))
(i n-alpha (1- i)) ;; pseudo-degree
(sign (-1-expt-n n-alpha) (- sign))
(right-d absm2
(a-face4 face2 (1- i) dim-right-d right-d))
(dim-right-d n (1- dim-right-d)))
((= beta n-alpha))
(declare
(fixnum beta i sign dim-right-d)
(type absm right-d))
(let ((absm1 (1dgnr (1- i) left-d)))
(declare (type absm absm1))
(with-absm (dgop1 gmsm1) absm1
(with-absm (dgop2 gmsm2) right-d
(or (> (integer-length dgop1) i)
(> (integer-length dgop2) i)
(plusp (logand dgop1 dgop2))
(dstr-add-term-to-cmbn
cmpr
(* sign cffc)
(crpr dgop1 gmsm1 dgop2 gmsm2)
(aref array-pq (1+ n-alpha) (- n beta))))))))))))
;; array-pq))) ;; in case of debugging
(intr-phi-2 array-pq cmpr)
))))
(the intr-mrph #'rslt)))
#|
()
(setf d (delta-infinity))
(setf rslt (intr-phi d d))
(funcall rslt (cmbn 3 1 (crpr 0 15 0 15)))
|#
#|
(DEFUN INTR-PHI-22 (array-pq cmpr)
(declare
(type (simple-array cmbn (* *)) array-pq)
(type cmprf cmpr))
; (format t " -22- ")
(the cmbn
(let* ((n+1 (1- (array-dimension array-pq 0)))
(n (1- n+1)))
(declare (fixnum n n+1))
(flet ((step-i (i)
(declare (fixnum i))
(do ((p (1+ i) (1+ p))
(p-1 i p)
(q n+1 q-1)
(q-1 n (1- q-1))
(sign t (not sign))
(ibit (2-exp i)))
((> p n+1))
(declare
(fixnum p p-1 q q-1 ibit)
(type boolean sign))
(setf (aref array-pq p q)
(2cmbn-add cmpr
(aref array-pq p q)
(make-cmbn
:degr (1+ i)
:list (nconc
(mapcar
#'(lambda (term)
(declare (type term term))
(with-term (cffc crpr) term
(with-crpr (dgop1 gmsm1 dgop2 gmsm2) crpr
(term cffc (crpr
dgop1 gmsm1
(+ ibit dgop2) gmsm2)))))
(cmbn-list (aref array-pq p q-1)))
(let ((list (cmbn-list (aref array-pq p-1 q))))
(declare (list lst))
(unless sign
(dolist (term list)
(declare (type term term))
(setf (cffc term) (- (cffc term)))))
(dolist (term list)
(declare (type term term))
(incf (dgop1 (gnrt term)) ibit))
list))))))))
(do ((i 1 (1+ i)))
((= i n+1))
(declare (type fixnum i))
(step-i i))
(aref array-pq n+1 n+1)))))
|#
(DEFUN INTR-PHI-2 (array-pq cmpr)
(declare
(type (simple-array cmbn (* *)) array-pq)
(type cmprf cmpr))
; (format t " -2- ")
(the cmbn
(let* ((n+1 (1- (array-dimension array-pq 0)))
(n (1- n+1))
(cmbn-list +empty-list+))
(declare
(fixnum n n+1)
(list cmbn-list))
(do ((i 1 (1+ i))
(cmbn-i (list nil) (list nil))
(mask (mask n) (ash mask -1)))
((= i n+1))
(declare
(fixnum i mask)
(list cmbn-i))
(let ((cmbn-i-tail cmbn-i))
(declare (list cmbn-i-tail))
(do ((dgop1 0 (1+ dgop1)))
((> dgop1 mask)
(push (make-cmbn
:degr n+1
:list (rest cmbn-i))
cmbn-list))
(declare (fixnum dgop1))
(let ((p (- n+1 (logcount dgop1)))
(dgop2 (- mask dgop1)))
(declare (fixnum p dgop2))
(unless (= p i)
(let ((q (- (+ n+1 i) p))
(sign (shuffle-sign dgop2))
(dgop1-ashed (ash dgop1 i))
(dgop2-ashed (ash dgop2 i)))
(declare (fixnum q sign dgop1-ashed dgop2-ashed))
(dolist (term (cmbn-list (aref array-pq p q)))
(declare (type term term))
(with-term (cffc crpr) term
(with-crpr (dgop1 gmsm1 dgop2 gmsm2) crpr
(setf cmbn-i-tail
(setf (cdr cmbn-i-tail)
(list (term (* sign cffc)
(crpr
(+ dgop1 dgop1-ashed) gmsm1
(+ dgop2 dgop2-ashed)
gmsm2))))))))))))))
(if cmbn-list
(apply #'ncmbn-add cmpr cmbn-list)
(zero-cmbn n+1)))))
#|
(setf d (delta-infinity))
(setf rslt (intr-phi d d))
(funcall rslt (cmbn 3 1 (crpr 0 15 0 15)))
(funcall rslt (cmbn 2 1 (crpr 0 7 0 7)))
(funcall rslt (cmbn 1 1 (crpr 0 3 0 3)))
(funcall rslt (cmbn 0 1 (crpr 0 1 0 1)))
|#
(DEFUN PHI (smst1 smst2)
(declare (type simplicial-set smst1 smst2))
(the morphism
(build-mrph
:sorc (crts-prdc smst1 smst2)
:trgt (crts-prdc smst1 smst2)
:degr +1
:intr (intr-phi smst1 smst2)
:strt :cmbn
:orgn `(phi ,smst1 ,smst2))))
#|
(setf phi (phi (delta-infinity) (delta-infinity)))
(? phi 3 (crpr 0 15 0 15))
|#
#| ;; Comparison with EAT.
;; In Kenzo.
(cat-init)
(setf s (sphere 5))
(setf p (crts-prdc s s))
(setf b (basis p 8))
(setf c (make-cmbn :degr 8
:list (mapcar #'(lambda (item)
(term (1+ (random 5)) item))
b)))
(setf phi (phi s s))
(time (? phi c)))
|#
#| ;; in EAT
(setf s (sphere 5))
(setf p (cpr-2ss s s))
(setf b (sbs p 8))
(setf c (make-cmb :dgr 8
:lst (mapcar #'(lambda (item)
(mnm (1+ (random 5)) item))
b)))
(setf phi (phi s s))
(time (??? phi c))
|#
(DEFUN INTR-AW (face1 face2)
(declare (type face face1 face2))
(flet ((rslt (dmns crpr)
(declare
(fixnum dmns)
(type crpr crpr))
(the cmbn
(let ((absm1 (absm1 crpr))
(absm2 (absm2 crpr))
(rslt +empty-list+)
(del-0-s +empty-list+))
(declare
(type absm absm1 absm2)
(list rslt del-0-s))
(do ((face absm2 (a-face4 face2 0 dmns2 face))
(dmns2 dmns (1- dmns2)))
((zerop dmns2) (push face del-0-s))
(declare
(type absm face)
(fixnum dmns))
(push face del-0-s))
(do ((face absm1 (a-face4 face1 dmns1 dmns1 face))
(dmns1 dmns (1- dmns1))
(dmns2 0 (1+ dmns2))
(mark del-0-s (cdr mark)))
((zerop dmns1)
(unless (degenerate-p absm2)
(push
(term 1
(tnpr 0 (gmsm face) dmns (gmsm absm2)))
rslt)))
(declare
(type absm face)
(fixnum dmns1 dmns2)
(list mark))
(unless (or (degenerate-p face)
(degenerate-p (car mark)))
(push
(term 1
(tnpr dmns1 (gmsm face) dmns2 (gmsm (car mark))))
rslt)))
(make-cmbn
:degr dmns
:list rslt)))))
(the intr-mrph #'rslt)))
#|
(setf r (intr-aw #'delta-face #'delta-face))
(funcall r 3 (crpr 0 15 0 15))
(setf s (sphere 3))
(setf f (face s))
(setf r (intr-aw f f))
(funcall r 3 (crpr 0 's3 0 's3))
|#
(DEFUN AW (smst1 smst2
&aux (crts-prdc (crts-prdc smst1 smst2))
(tnsr-prdc (tnsr-prdc smst1 smst2))
(face1 (face smst1))
(face2 (face smst2)))
(declare
(type simplicial-set smst1 smst2)
(type face face1 face2))
(the morphism
(build-mrph
:sorc crts-prdc
:trgt tnsr-prdc
:degr 0
:intr (intr-aw face1 face2)
:strt :gnrt
:orgn `(aw ,smst1 ,smst2))))
#|
(setf aw (aw (delta-infinity) (delta-infinity)))
(? aw (cmbn 3 1 (crpr 0 15 0 30) -1 (crpr 0 23 0 29)))
|#
(DEFUN EZ (smst1 smst2)
(declare (type simplicial-set smst1 smst2))
(the reduction
(build-rdct
:f (aw smst1 smst2)
:g (eml smst1 smst2)
:h (phi smst1 smst2)
:orgn `(eilenberg-zilber ,smst1 ,smst2))))
#|
(setf ez (ez (delta-infinity) (delta-infinity)))
(setf *bc* (cmbn 3 1 (tnpr 0 1 3 30)
10 (tnpr 1 96 2 896)
100 (tnpr 2 7168 1 3)
1000 (tnpr 3 15 0 4096)))
(setf *tc* (cmbn 3 1 (crpr 0 15 0 480)
100 (crpr 0 15 5 96)
10 (crpr 6 3 0 480)
1000 (crpr 6 3 1 224)))
(pre-check-rdct ez)
(check-rdct)
|#
#|
;; Comparison EAT.
;; In Kenzo.
(cat-init)
(setf s (sphere 5))
(setf ez (ez s s))
(setf b (basis (tcc ez) 8))
(setf c (make-cmbn :degr 8
:list (mapcar #'(lambda (item)
(term (1+ (random 5)) item))
b)))
(pre-check-rdct ez)
(setf +too-much-time+ -1)
(time (? *id-gf-dh-hd* c))
(time (? *id-gf-dh-hd* c))
|#
#|
;; in EAT
(setf s (sphere 5))
(setf ez (ez s s))
(setf b (cbs (rdc-tcc ez) 8))
(setf c (make-cmb :dgr 8
:lst (mapcar #'(lambda (item)
(mnm (1+ (random 5)) item))
b)))
(verif-rdc ez)
(time (??? *id-gf-dh-hd* c))
(time (??? *id-gf-dh-hd* c))
|#
(DEFUN LEFT-CRTS-PRDC-EFHM (smst1 smst2)
(declare (type simplicial-set smst1 smst2))
(the homotopy-equivalence
(build-hmeq
:lrdct (trivial-rdct (crts-prdc smst1 smst2))
:rrdct (ez smst1 smst2))))
(DEFMETHOD SEARCH-EFHM (smst (orgn (eql 'crts-prdc)))
(declare (type simplicial-set smst))
(the homotopy-equivalence
(cmps
(left-crts-prdc-efhm (second (orgn smst)) (third (orgn smst)))
(tnsr-prdc (efhm (second (orgn smst)))
(efhm (third (orgn smst)))))))
#|
(cat-init)
(setf k (k-z 2))
(setf k2 (crts-prdc k k))
(homology k2 0 10)
|#