This commit is contained in:
Egbert Rijke 2017-06-28 14:05:43 +01:00
commit b419e9c8f7
5 changed files with 177 additions and 48 deletions

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@ -485,13 +485,14 @@ namespace pointed
open prod prod.ops fiber
parameters {A : → Type*[1]} (f : Π(n : ), A n →* A (n - 1)) [Hf : Πn, is_conn_fun 1 (f n)]
include Hf
definition I [constructor] : Set := trunctype.mk ( × ) !is_trunc_prod
protected definition I [constructor] : Set := trunctype.mk (g ×g g) !is_trunc_prod
local abbreviation I := @pointed.I
definition D_sequence : graded_module r I :=
λv, LeftModule_int_of_AbGroup (πc[v.2] (A (v.1)))
-- definition D_sequence : graded_module r I :=
-- λv, LeftModule_int_of_AbGroup (πc[v.2] (A (v.1)))
definition E_sequence : graded_module r I :=
λv, LeftModule_int_of_AbGroup (πc[v.2] (pconntype.mk (pfiber (f (v.1))) !Hf pt))
-- definition E_sequence : graded_module r I :=
-- λv, LeftModule_int_of_AbGroup (πc[v.2] (pconntype.mk (pfiber (f (v.1))) !Hf pt))
/- first need LES of these connected homotopy groups -/
@ -509,7 +510,8 @@ namespace spectrum
parameters {A : → spectrum} (f : Π(s : ), A s →ₛ A (s - 1))
definition I [constructor] : Set := trunctype.mk (g ×g g) !is_trunc_prod
protected definition I [constructor] : Set := trunctype.mk (g ×g g) !is_trunc_prod
local abbreviation I := @spectrum.I
definition D_sequence : graded_module r I :=
λv, LeftModule_int_of_AbGroup (πₛ[v.1] (A (v.2)))

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@ -151,13 +151,14 @@ namespace spectrum
-- I guess this manual eta-expansion is necessary because structures lack definitional eta?
:= phomotopy.mk (glue_square f n) (to_homotopy_pt (glue_square f n))
definition sid {N : succ_str} (E : gen_prespectrum N) : E →ₛ E :=
definition sid [constructor] [refl] {N : succ_str} (E : gen_prespectrum N) : E →ₛ E :=
smap.mk (λn, pid (E n))
(λn, calc glue E n ∘* pid (E n) ~* glue E n : pcompose_pid
... ~* pid (Ω(E (S n))) ∘* glue E n : pid_pcompose
... ~* Ω→(pid (E (S n))) ∘* glue E n : pwhisker_right (glue E n) ap1_pid⁻¹*)
definition scompose {N : succ_str} {X Y Z : gen_prespectrum N} (g : Y →ₛ Z) (f : X →ₛ Y) : X →ₛ Z :=
definition scompose [trans] {N : succ_str} {X Y Z : gen_prespectrum N}
(g : Y →ₛ Z) (f : X →ₛ Y) : X →ₛ Z :=
smap.mk (λn, g n ∘* f n)
(λn, calc glue Z n ∘* to_fun g n ∘* to_fun f n
~* (glue Z n ∘* to_fun g n) ∘* to_fun f n : passoc

52
homotopy/strunc.hlean Normal file
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@ -0,0 +1,52 @@
import .spectrum .EM
open int trunc eq is_trunc lift unit pointed equiv is_equiv algebra EM
namespace spectrum
definition trunc_int.{u} (k : ) (X : Type.{u}) : Type.{u} :=
begin
induction k with k k, exact trunc k X,
cases k with k, exact trunc -1 X,
exact lift unit
end
definition ptrunc_int.{u} (k : ) (X : pType.{u}) : pType.{u} :=
begin
induction k with k k, exact ptrunc k X,
exact plift punit
end
definition ptrunc_int_pequiv_ptrunc_int (k : ) {X Y : Type*} (e : X ≃* Y) :
ptrunc_int k X ≃* ptrunc_int k Y :=
begin
induction k with k k,
exact ptrunc_pequiv_ptrunc k e,
exact !pequiv_plift⁻¹ᵉ* ⬝e* !pequiv_plift
end
definition ptrunc_int_change_int {k l : } (X : Type*) (p : k = l) :
ptrunc_int k X ≃* ptrunc_int l X :=
pequiv_ap (λn, ptrunc_int n X) p
definition loop_ptrunc_int_pequiv (k : ) (X : Type*) :
Ω (ptrunc_int (k+1) X) ≃* ptrunc_int k (Ω X) :=
begin
induction k with k k,
exact loop_ptrunc_pequiv k X,
cases k with k,
change Ω (ptrunc 0 X) ≃* plift punit,
exact !loop_pequiv_punit_of_is_set ⬝e* !pequiv_plift,
exact loop_pequiv_loop !pequiv_plift⁻¹ᵉ* ⬝e* !loop_punit ⬝e* !pequiv_plift
end
definition strunc_int [constructor] (k : ) (E : spectrum) : spectrum :=
spectrum.MK (λ(n : ), ptrunc_int (k + n) (E n))
(λ(n : ), ptrunc_int_pequiv_ptrunc_int (k + n) (equiv_glue E n) ⬝e*
(loop_ptrunc_int_pequiv (k + n) (E (n+1)))⁻¹ᵉ* ⬝e*
loop_pequiv_loop (ptrunc_int_change_int _ (add.assoc k n 1)))
definition strunc_int_change_int [constructor] {k l : } (E : spectrum) (p : k = l) :
strunc_int k E →ₛ strunc_int l E :=
begin induction p, reflexivity end
end spectrum

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@ -182,4 +182,25 @@ namespace pointed
sorry
end psquare
definition ap1_pequiv_ap {A : Type} (B : A → Type*) {a a' : A} (p : a = a') :
Ω→ (pequiv_ap B p) ~* pequiv_ap (Ω ∘ B) p :=
begin induction p, apply ap1_pid end
definition pequiv_ap_natural {A : Type} (B C : A → Type*) {a a' : A} (p : a = a')
(f : Πa, B a →* C a) :
psquare (pequiv_ap B p) (pequiv_ap C p) (f a) (f a') :=
begin induction p, exact phrfl end
definition pequiv_ap_natural2 {A : Type} (B C : A → Type*) {a a' : A} (p : a = a')
(f : Πa, B a →* C a) :
psquare (pequiv_ap B p) (pequiv_ap C p) (f a) (f a') :=
begin induction p, exact phrfl end
definition loop_pequiv_punit_of_is_set (X : Type*) [is_set X] : Ω X ≃* punit :=
pequiv_punit_of_is_contr _ (is_contr_of_inhabited_prop pt)
definition loop_punit : Ω punit ≃* punit :=
loop_pequiv_punit_of_is_set punit
end pointed

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@ -63,21 +63,21 @@ namespace pointed
variable (k)
protected definition ppi_homotopy.refl : k ~~* k :=
sorry
ppi_homotopy.mk homotopy.rfl !idp_con
variable {k}
protected definition ppi_homotopy.rfl [refl] : k ~~* k :=
ppi_homotopy.refl k
protected definition ppi_homotopy.symm [symm] (p : k ~~* l) : l ~~* k :=
sorry
ppi_homotopy.mk p⁻¹ʰᵗʸ (inv_con_eq_of_eq_con (ppi_to_homotopy_pt p)⁻¹)
protected definition ppi_homotopy.trans [trans] (p : k ~~* l) (q : l ~~* m) : k ~~* m :=
sorry
ppi_homotopy.mk (λa, p a ⬝ q a) (!con.assoc ⬝ whisker_left (p pt) (ppi_to_homotopy_pt q) ⬝ ppi_to_homotopy_pt p)
infix ` ⬝*' `:75 := ppi_homotopy.trans
postfix `⁻¹*'`:(max+1) := ppi_homotopy.symm
definition ppi_equiv_pmap (A B : Type*) : (Π*(a : A), B) ≃ (A →* B) :=
definition ppi_equiv_pmap [constructor] (A B : Type*) : (Π*(a : A), B) ≃ (A →* B) :=
begin
fapply equiv.MK,
{ intro k, induction k with k p, exact pmap.mk k p },
@ -86,9 +86,19 @@ namespace pointed
{ intro k, induction k with k p, reflexivity }
end
definition pppi_pequiv_ppmap (A B : Type*) : (Π*(a : A), B) ≃* ppmap A B :=
definition pppi_pequiv_ppmap [constructor] (A B : Type*) : (Π*(a : A), B) ≃* ppmap A B :=
pequiv_of_equiv (ppi_equiv_pmap A B) idp
protected definition ppi_gen.sigma_char [constructor] {A : Type*} (B : A → Type) (b₀ : B pt) :
ppi_gen B b₀ ≃ Σ(k : Πa, B a), k pt = b₀ :=
begin
fapply equiv.MK: intro x,
{ constructor, exact ppi_gen.resp_pt x },
{ induction x, constructor, assumption },
{ induction x, reflexivity },
{ induction x, reflexivity }
end
definition ppi.sigma_char [constructor] {A : Type*} (B : A → Type*)
: (Π*(a : A), B a) ≃ Σ(k : (Π (a : A), B a)), k pt = pt :=
begin
@ -99,15 +109,6 @@ namespace pointed
all_goals reflexivity
end
protected definition ppi_gen.sigma_char [constructor] {A : Type*} (B : A → Type) (b₀ : B pt) :
ppi_gen B b₀ ≃ Σ(k : Πa, B a), k pt = b₀ :=
begin
fapply equiv.MK: intro x,
{ constructor, exact ppi_gen.resp_pt x },
{ induction x, constructor, assumption },
{ induction x, reflexivity },
{ induction x, reflexivity }
end
variables (k l)
@ -206,7 +207,7 @@ namespace pointed
definition pmap_compose_ppi_const_left (f : Π*(a : A), P a) :
pmap_compose_ppi (λa, pconst (P a) (Q a)) f ~~* ppi_const Q :=
sorry
ppi_homotopy.mk homotopy.rfl !ap_constant⁻¹
definition ppi_compose_left [constructor] (g : Π(a : A), ppmap (P a) (Q a)) :
(Π*(a : A), P a) →* Π*(a : A), Q a :=
@ -214,16 +215,19 @@ namespace pointed
definition pmap_compose_ppi_phomotopy_left [constructor] {g g' : Π(a : A), ppmap (P a) (Q a)}
(f : Π*(a : A), P a) (p : Πa, g a ~* g' a) : pmap_compose_ppi g f ~~* pmap_compose_ppi g' f :=
sorry
ppi_homotopy.mk (λa, p a (f a))
abstract !con.assoc⁻¹ ⬝ whisker_right _ !ap_con_eq_con_ap⁻¹ ⬝ !con.assoc ⬝
whisker_left _ (to_homotopy_pt (p pt)) end
definition pmap_compose_ppi_pid_left [constructor]
(f : Π*(a : A), P a) : pmap_compose_ppi (λa, pid (P a)) f ~~* f :=
sorry
ppi_homotopy.mk homotopy.rfl idp
definition pmap_compose_pmap_compose_ppi [constructor] (h : Π(a : A), ppmap (Q a) (R a))
definition pmap_compose_ppi_pcompose [constructor] (h : Π(a : A), ppmap (Q a) (R a))
(g : Π(a : A), ppmap (P a) (Q a)) :
pmap_compose_ppi h (pmap_compose_ppi g f) ~~* pmap_compose_ppi (λa, h a ∘* g a) f :=
sorry
pmap_compose_ppi (λa, h a ∘* g a) f ~~* pmap_compose_ppi h (pmap_compose_ppi g f) :=
ppi_homotopy.mk homotopy.rfl
abstract !idp_con ⬝ whisker_right _ (!ap_con ⬝ whisker_right _ !ap_compose'⁻¹) ⬝ !con.assoc end
definition ppi_pequiv_right [constructor] (g : Π(a : A), P a ≃* Q a) :
(Π*(a : A), P a) ≃* Π*(a : A), Q a :=
@ -231,11 +235,11 @@ namespace pointed
apply pequiv_of_pmap (ppi_compose_left g),
apply adjointify _ (ppi_compose_left (λa, (g a)⁻¹ᵉ*)),
{ intro f, apply ppi_eq,
refine !pmap_compose_pmap_compose_ppi ⬝*' _,
refine !pmap_compose_ppi_pcompose⁻¹*' ⬝*' _,
refine pmap_compose_ppi_phomotopy_left _ (λa, !pright_inv) ⬝*' _,
apply pmap_compose_ppi_pid_left },
{ intro f, apply ppi_eq,
refine !pmap_compose_pmap_compose_ppi ⬝*' _,
refine !pmap_compose_ppi_pcompose⁻¹*' ⬝*' _,
refine pmap_compose_ppi_phomotopy_left _ (λa, !pleft_inv) ⬝*' _,
apply pmap_compose_ppi_pid_left }
end
@ -255,28 +259,41 @@ namespace pointed
pequiv_of_equiv (fiber.sigma_char f pt) idp
/- the pointed type of unpointed (nondependent) maps -/
definition parrow [constructor] (A : Type) (B : Type*) : Type* :=
definition upmap [constructor] (A : Type) (B : Type*) : Type* :=
pointed.MK (A → B) (const A pt)
/- the pointed type of unpointed dependent maps -/
definition p_pi [constructor] {A : Type} (B : A → Type*) : Type* :=
definition uppi [constructor] {A : Type} (B : A → Type*) : Type* :=
pointed.MK (Πa, B a) (λa, pt)
definition ppmap.sigma_char (A B : Type*) :
ppmap A B ≃* @psigma_gen (parrow A B) (λf, f pt = pt) idp :=
notation `Πᵘ*` binders `, ` r:(scoped P, uppi P) := r
infix ` →ᵘ* `:30 := upmap
definition ppmap.sigma_char [constructor] (A B : Type*) :
ppmap A B ≃* @psigma_gen (A →ᵘ* B) (λf, f pt = pt) idp :=
pequiv_of_equiv pmap.sigma_char idp
definition pppi.sigma_char {A : Type*} {B : A → Type*} :
(Π*(a : A), B a) ≃* @psigma_gen (p_pi B) (λf, f pt = pt) idp :=
definition pppi.sigma_char [constructor] {A : Type*} (B : A → Type*) :
(Π*(a : A), B a) ≃* @psigma_gen (Πᵘ*a, B a) (λf, f pt = pt) idp :=
proof pequiv_of_equiv !ppi.sigma_char idp qed
definition psigma_gen_pequiv_psigma_gen_right {A : Type*} {B B' : A → Type}
definition psigma_gen_pequiv_psigma_gen [constructor] {A A' : Type*} {B : A → Type}
{B' : A' → Type} {b : B pt} {b' : B' pt} (f : A ≃* A')
(g : Πa, B a ≃ B' (f a)) (p : g pt b =[respect_pt f] b') : psigma_gen B b ≃* psigma_gen B' b' :=
pequiv_of_equiv (sigma_equiv_sigma f g) (sigma_eq (respect_pt f) p)
definition psigma_gen_pequiv_psigma_gen_left [constructor] {A A' : Type*} {B : A' → Type}
{b : B pt} (f : A ≃* A') {b' : B (f pt)} (q : b' =[respect_pt f] b) :
psigma_gen (B ∘ f) b' ≃* psigma_gen B b :=
psigma_gen_pequiv_psigma_gen f (λa, erfl) q
definition psigma_gen_pequiv_psigma_gen_right [constructor] {A : Type*} {B B' : A → Type}
{b : B pt} {b' : B' pt} (f : Πa, B a ≃ B' a) (p : f pt b = b') :
psigma_gen B b ≃* psigma_gen B' b' :=
pequiv_of_equiv (sigma_equiv_sigma_right f) (ap (dpair pt) p)
psigma_gen_pequiv_psigma_gen pequiv.rfl f (pathover_idp_of_eq p)
definition psigma_gen_pequiv_psigma_gen_basepoint {A : Type*} {B : A → Type} {b b' : B pt}
(p : b = b') : psigma_gen B b ≃* psigma_gen B b' :=
definition psigma_gen_pequiv_psigma_gen_basepoint [constructor] {A : Type*} {B : A → Type}
{b b' : B pt} (p : b = b') : psigma_gen B b ≃* psigma_gen B b' :=
psigma_gen_pequiv_psigma_gen_right (λa, erfl) p
definition ppi_gen_functor_right [constructor] {A : Type*} {B B' : A → Type}
@ -336,23 +353,59 @@ namespace pointed
(p : b = b') : ppi_gen B b ≃ ppi_gen B b' :=
ppi_gen_equiv_ppi_gen_right (λa, erfl) p
definition ppi_psigma {A : Type*} {B : A → Type*} (C : Πa, B a → Type) (c : Πa, C a pt) :
(Π*(a : A), (psigma_gen (C a) (c a))) ≃*
open sigma.ops
definition psigma_gen_pi_pequiv_uppi_psigma_gen [constructor] {A : Type*} {B : A → Type*}
(C : Πa, B a → Type) (c : Πa, C a pt) :
@psigma_gen (Πᵘ*a, B a) (λf, Πa, C a (f a)) c ≃* Πᵘ*a, psigma_gen (C a) (c a) :=
pequiv_of_equiv sigma_pi_equiv_pi_sigma idp
definition uppi_psigma_gen_pequiv_psigma_gen_pi [constructor] {A : Type*} {B : A → Type*}
(C : Πa, B a → Type) (c : Πa, C a pt) :
(Πᵘ*a, psigma_gen (C a) (c a)) ≃* @psigma_gen (Πᵘ*a, B a) (λf, Πa, C a (f a)) c :=
pequiv_of_equiv sigma_pi_equiv_pi_sigma⁻¹ᵉ idp
definition psigma_gen_assoc [constructor] {A : Type*} {B : A → Type} (C : Πa, B a → Type)
(b₀ : B pt) (c₀ : C pt b₀) :
psigma_gen (λa, Σb, C a b) ⟨b₀, c₀⟩ ≃* @psigma_gen (psigma_gen B b₀) (λv, C v.1 v.2) c₀ :=
pequiv_of_equiv !sigma_assoc_equiv idp
definition psigma_gen_swap [constructor] {A : Type*} {B B' : A → Type}
(C : Π⦃a⦄, B a → B' a → Type) (b₀ : B pt) (b₀' : B' pt) (c₀ : C b₀ b₀') :
@psigma_gen (psigma_gen B b₀ ) (λv, Σb', C v.2 b') ⟨b₀', c₀⟩ ≃*
@psigma_gen (psigma_gen B' b₀') (λv, Σb , C b v.2) ⟨b₀ , c₀⟩ :=
!psigma_gen_assoc⁻¹ᵉ* ⬝e* psigma_gen_pequiv_psigma_gen_right (λa, !sigma_comm_equiv) idp ⬝e*
!psigma_gen_assoc
definition ppi_psigma.{u v w} {A : pType.{u}} {B : A → pType.{v}} (C : Πa, B a → Type.{w})
(c : Πa, C a pt) : (Π*(a : A), (psigma_gen (C a) (c a))) ≃*
psigma_gen (λ(f : Π*(a : A), B a), ppi_gen (λa, C a (f a))
(transport (C pt) (ppi.resp_pt f)⁻¹ (c pt)))
(ppi_const _) :=
(transport (C pt) (ppi.resp_pt f)⁻¹ (c pt))) (ppi_const _) :=
proof
calc (Π*(a : A), psigma_gen (C a) (c a))
≃* @psigma_gen (p_pi (λa, psigma_gen (C a) (c a))) (λf, f pt = pt) idp : pppi.sigma_char
≃* @psigma_gen (Πᵘ*a, psigma_gen (C a) (c a)) (λf, f pt = pt) idp : pppi.sigma_char
... ≃* @psigma_gen (@psigma_gen (Πᵘ*a, B a) (λf, Πa, C a (f a)) c)
(λv, Σ(p : v.1 pt = pt), v.2 pt =[p] c pt) ⟨idp, idpo⟩ :
by exact psigma_gen_pequiv_psigma_gen (uppi_psigma_gen_pequiv_psigma_gen_pi C c)
(λf, sigma_eq_equiv _ _) idpo
... ≃* @psigma_gen (@psigma_gen (Πᵘ*a, B a) (λf, f pt = pt) idp)
(λv, Σ(g : Πa, C a (v.1 a)), g pt =[v.2] c pt) ⟨c, idpo⟩ :
by apply psigma_gen_swap
... ≃* psigma_gen (λ(f : Π*(a : A), B a), ppi_gen (λa, C a (f a))
(transport (C pt) (ppi.resp_pt f)⁻¹ (c pt)))
(ppi_const _) : sorry
(ppi_const _) :
by exact (psigma_gen_pequiv_psigma_gen (pppi.sigma_char B)
(λf, !ppi_gen.sigma_char ⬝e sigma_equiv_sigma_right (λg, !pathover_equiv_eq_tr⁻¹ᵉ))
idpo)⁻¹ᵉ*
qed
definition pmap_psigma {A B : Type*} (C : B → Type) (c : C pt) :
ppmap A (psigma_gen C c) ≃*
psigma_gen (λ(f : ppmap A B), ppi_gen (C ∘ f) (transport C (respect_pt f)⁻¹ c))
(ppi_const _) :=
!pppi_pequiv_ppmap⁻¹ᵉ* ⬝e* !ppi_psigma ⬝e* sorry
!pppi_pequiv_ppmap⁻¹ᵉ* ⬝e* !ppi_psigma ⬝e*
sorry
-- psigma_gen_pequiv_psigma_gen (pppi_pequiv_ppmap A B) (λf, begin esimp, exact ppi_gen_equiv_ppi_gen_right (λa, _) _ end) _
definition pfiber_ppcompose_left (f : B →* C) :
pfiber (@ppcompose_left A B C f) ≃* ppmap A (pfiber f) :=