fact
stringlengths
8
1.54k
type
stringclasses
19 values
library
stringclasses
8 values
imports
listlengths
1
10
filename
stringclasses
98 values
symbolic_name
stringlengths
1
42
docstring
stringclasses
1 value
rcent_group:= Group rcent_group_set.
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rcent_group
centgmx:= G \subset rcent.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
centgmx
centgmxP: reflect (forall x, x \in G -> f *m rG x = rG x *m f) centgmx. Proof. by apply: (iffP subsetP) => cGf x Gx; have /[!(inE, Gx)] /eqP := cGf x Gx. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
centgmxP
rker:= rstab 1%:M.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker
rker_group:= Eval hnf in [group of rker].
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_group
rkerPx : reflect (x \in G /\ rG x = 1%:M) (x \in rker). Proof. by apply: (iffP setIdP) => [] [->]; move/eqP; rewrite mul1mx. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rkerP
rker_norm: G \subset 'N(rker). Proof. apply/subsetP=> x Gx; rewrite inE sub_conjg; apply/subsetP=> y. case/rkerP=> Gy ry1; rewrite mem_conjgV !inE groupJ //=. by rewrite !repr_mxM ?groupM ?groupV // ry1 !mulmxA mulmx1 repr_mxKV. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_norm
rker_normal: rker <| G. Proof. by rewrite /normal rstab_sub rker_norm. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_normal
mx_faithful:= rker \subset [1].
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
mx_faithful
mx_faithful_inj: mx_faithful -> {in G &, injective rG}. Proof. move=> ffulG x y Gx Gy eq_rGxy; apply/eqP; rewrite eq_mulgV1 -in_set1. rewrite (subsetP ffulG) // inE groupM ?repr_mxM ?groupV //= eq_rGxy. by rewrite mulmxA repr_mxK. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
mx_faithful_inj
rker_linear: n = 1 -> G^`(1)%g \subset rker. Proof. move=> n1; rewrite gen_subG; apply/subsetP=> xy; case/imset2P=> x y Gx Gy ->. rewrite !inE groupR //= /commg mulgA -invMg repr_mxM ?groupV ?groupM //. rewrite mulmxA (can2_eq (repr_mxK _) (repr_mxKV _)) ?groupM //. rewrite !repr_mxV ?repr_mxM ?groupM //; move: (rG x) (rG y). by rewrite n1 => rx ry; rewrite (mx11_scalar rx) scalar_mxC. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_linear
rcenter:= [set g in G | is_scalar_mx (rG g)]. Fact rcenter_group_set : group_set rcenter. Proof. apply/group_setP; split=> [|x y]. by rewrite inE group1 repr_mx1 scalar_mx_is_scalar. move=> /setIdP[Gx /is_scalar_mxP[a defx]] /setIdP[Gy /is_scalar_mxP[b defy]]. by rewrite !inE groupM ?repr_mxM // defx defy -scalar_mxM ?scalar_mx_is_scalar. Qed.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rcenter
rcenter_group:= Group rcenter_group_set.
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rcenter_group
rcenter_normal: rcenter <| G. Proof. rewrite /normal /rcenter {1}setIdE subsetIl; apply/subsetP=> x Gx /[1!inE]. apply/subsetP=> _ /imsetP[y /setIdP[Gy /is_scalar_mxP[c rGy]] ->]. rewrite inE !repr_mxM ?groupM ?groupV //= mulmxA rGy scalar_mxC repr_mxKV //. exact: scalar_mx_is_scalar. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rcenter_normal
repr_mxMr: {in G &, {morph rG : x y / (x * y)%g >-> x * y}}. Proof. exact: repr_mxM. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
repr_mxMr
repr_mxVr: {in G, {morph rG : x / (x^-1)%g >-> x^-1}}. Proof. exact: repr_mxV. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
repr_mxVr
repr_mx_unitrx : x \in G -> rG x \is a GRing.unit. Proof. exact: repr_mx_unit. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
repr_mx_unitr
repr_mxXm : {in G, {morph rG : x / (x ^+ m)%g >-> x ^+ m}}. Proof. elim: m => [|m IHm] x Gx; rewrite /= ?repr_mx1 // expgS exprS -IHm //. by rewrite repr_mxM ?groupX. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
repr_mxX
subg_mx_repr: mx_repr H rG. Proof. by split=> [|x y Hx Hy]; rewrite (repr_mx1, repr_mxM) ?(subsetP sHG). Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
subg_mx_repr
subg_repr:= MxRepresentation subg_mx_repr. Local Notation rH := subg_repr.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
subg_repr
rcent_subgU : rcent rH U = H :&: rcent rG U. Proof. by apply/setP=> x; rewrite !inE andbA -in_setI (setIidPl sHG). Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rcent_subg
rstab_subg: rstab rH U = H :&: rstab rG U. Proof. by apply/setP=> x; rewrite !inE andbA -in_setI (setIidPl sHG). Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rstab_subg
rker_subg: rker rH = H :&: rker rG. Proof. exact: rstab_subg. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_subg
subg_mx_faithful: mx_faithful rG -> mx_faithful rH. Proof. by apply: subset_trans; rewrite rker_subg subsetIr. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
subg_mx_faithful
eqg_repr_proof: H \subset G. Proof. by rewrite (eqP eqGH). Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
eqg_repr_proof
eqg_repr:= subg_repr eqg_repr_proof. Local Notation rH := eqg_repr.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
eqg_repr
rcent_eqgU : rcent rH U = rcent rG U. Proof. by rewrite rcent_subg -(eqP eqGH) (setIidPr _) ?rcent_sub. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rcent_eqg
rstab_eqg: rstab rH U = rstab rG U. Proof. by rewrite rstab_subg -(eqP eqGH) (setIidPr _) ?rstab_sub. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rstab_eqg
rker_eqg: rker rH = rker rG. Proof. exact: rstab_eqg. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_eqg
eqg_mx_faithful: mx_faithful rH = mx_faithful rG. Proof. by rewrite /mx_faithful rker_eqg. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
eqg_mx_faithful
morphpre_mx_repr: mx_repr (f @*^-1 G) (rG \o f). Proof. split=> [|x y]; first by rewrite /= morph1 repr_mx1. case/morphpreP=> Dx Gfx; case/morphpreP=> Dy Gfy. by rewrite /= morphM ?repr_mxM. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
morphpre_mx_repr
morphpre_repr:= MxRepresentation morphpre_mx_repr. Local Notation rGf := morphpre_repr.
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
morphpre_repr
rstab_morphpre: rstab rGf U = f @*^-1 (rstab rG U). Proof. by apply/setP=> x; rewrite !inE andbA. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rstab_morphpre
rker_morphpre: rker rGf = f @*^-1 (rker rG). Proof. exact: rstab_morphpre. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_morphpre
morphim_mxof G \subset D := fun x => rGf (f x). Hypothesis sGD : G \subset D.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
morphim_mx
morphim_mxEx : morphim_mx sGD x = rGf (f x). Proof. by []. Qed. Let sG_f'fG : G \subset f @*^-1 (f @* G). Proof. by rewrite -sub_morphim_pre. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
morphim_mxE
morphim_mx_repr: mx_repr G (morphim_mx sGD). Proof. exact: subg_mx_repr (morphpre_repr f rGf) sG_f'fG. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
morphim_mx_repr
morphim_repr:= MxRepresentation morphim_mx_repr. Local Notation rG := morphim_repr.
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
morphim_repr
rstab_morphim: rstab rG U = G :&: f @*^-1 rstab rGf U. Proof. by rewrite -rstab_morphpre -(rstab_subg _ sG_f'fG). Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rstab_morphim
rker_morphim: rker rG = G :&: f @*^-1 (rker rGf). Proof. exact: rstab_morphim. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_morphim
rconj_mxof B \in unitmx := fun x => B *m rG x *m invmx B. Hypothesis uB : B \in unitmx.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rconj_mx
rconj_mx_repr: mx_repr G (rconj_mx uB). Proof. split=> [|x y Gx Gy]; rewrite /rconj_mx ?repr_mx1 ?mulmx1 ?mulmxV ?repr_mxM //. by rewrite !mulmxA mulmxKV. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rconj_mx_repr
rconj_repr:= MxRepresentation rconj_mx_repr. Local Notation rGB := rconj_repr.
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rconj_repr
rconj_mxEx : rGB x = B *m rG x *m invmx B. Proof. by []. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rconj_mxE
rconj_mxJm (W : 'M_(m, n)) x : W *m rGB x *m B = W *m B *m rG x. Proof. by rewrite !mulmxA mulmxKV. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rconj_mxJ
rcent_conjA : rcent rGB A = rcent rG (invmx B *m A *m B). Proof. apply/setP=> x; rewrite !inE /= rconj_mxE !mulmxA. rewrite (can2_eq (mulmxKV uB) (mulmxK uB)) -!mulmxA. by rewrite -(can2_eq (mulKVmx uB) (mulKmx uB)). Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rcent_conj
rstab_conjm (U : 'M_(m, n)) : rstab rGB U = rstab rG (U *m B). Proof. apply/setP=> x; rewrite !inE /= rconj_mxE !mulmxA. by rewrite (can2_eq (mulmxKV uB) (mulmxK uB)). Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rstab_conj
rker_conj: rker rGB = rker rG. Proof. apply/setP=> x; rewrite !inE /= mulmxA (can2_eq (mulmxKV uB) (mulmxK uB)). by rewrite mul1mx -scalar_mxC (inj_eq (can_inj (mulKmx uB))) mul1mx. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_conj
conj_mx_faithful: mx_faithful rGB = mx_faithful rG. Proof. by rewrite /mx_faithful rker_conj. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
conj_mx_faithful
quo_mx(H : {set gT}) of H \subset rker rG & G \subset 'N(H) := fun Hx : coset_of H => rG (repr Hx).
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
quo_mx
quo_mx_cosetx : x \in G -> quo_mx krH nHG (coset H x) = rG x. Proof. move=> Gx; rewrite /quo_mx val_coset ?nHGs //; case: repr_rcosetP => z Hz. by case/rkerP: (subsetP krH z Hz) => Gz rz1; rewrite repr_mxM // rz1 mul1mx. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
quo_mx_coset
quo_mx_repr: mx_repr (G / H)%g (quo_mx krH nHG). Proof. split=> [|Hx Hy]; first by rewrite /quo_mx repr_coset1 repr_mx1. case/morphimP=> x Nx Gx ->{Hx}; case/morphimP=> y Ny Gy ->{Hy}. by rewrite -morphM // !quo_mx_coset ?groupM ?repr_mxM. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
quo_mx_repr
quo_repr:= MxRepresentation quo_mx_repr. Local Notation rGH := quo_repr.
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
quo_repr
quo_repr_cosetx : x \in G -> rGH (coset H x) = rG x. Proof. exact: quo_mx_coset. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
quo_repr_coset
rcent_quoA : rcent rGH A = (rcent rG A / H)%g. Proof. apply/setP=> Hx /[!inE]; apply/andP/idP=> [[]|]; case/morphimP=> x Nx Gx ->{Hx}. by rewrite quo_repr_coset // => cAx; rewrite mem_morphim // inE Gx. by case/setIdP: Gx => Gx cAx; rewrite quo_repr_coset ?mem_morphim. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rcent_quo
rstab_quom (U : 'M_(m, n)) : rstab rGH U = (rstab rG U / H)%g. Proof. apply/setP=> Hx /[!inE]; apply/andP/idP=> [[]|]; case/morphimP=> x Nx Gx ->{Hx}. by rewrite quo_repr_coset // => nUx; rewrite mem_morphim // inE Gx. by case/setIdP: Gx => Gx nUx; rewrite quo_repr_coset ?mem_morphim. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rstab_quo
rker_quo: rker rGH = (rker rG / H)%g. Proof. exact: rstab_quo. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rker_quo
kquo_mx:= quo_mx (subxx (rker rG)) (rker_norm rG).
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
kquo_mx
kquo_mxE: kquo_mx = quo_mx (subxx (rker rG)) (rker_norm rG). Proof. by []. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
kquo_mxE
kquo_repr:= @MxRepresentation _ _ _ kquo_mx (quo_mx_repr _ _).
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
kquo_repr
kquo_repr_cosetx : x \in G -> kquo_repr (coset (rker rG) x) = rG x. Proof. exact: quo_repr_coset. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
kquo_repr_coset
kquo_mx_faithful: mx_faithful kquo_repr. Proof. by rewrite /mx_faithful rker_quo trivg_quotient. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
kquo_mx_faithful
gcard:= #|G|. Local Notation nG := gcard.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gcard
gring_index(x : gT) := enum_rank_in (group1 G) x.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_index
gring_valK: cancel enum_val gring_index. Proof. exact: enum_valK_in. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_valK
gring_indexK: {in G, cancel gring_index enum_val}. Proof. exact: enum_rankK_in. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_indexK
regular_mxx : 'M[R]_nG := \matrix_i delta_mx 0 (gring_index (enum_val i * x)).
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
regular_mx
regular_mx_repr: mx_repr G regular_mx. Proof. split=> [|x y Gx Gy]; apply/row_matrixP=> i; rewrite !rowK. by rewrite mulg1 row1 gring_valK. by rewrite row_mul rowK -rowE rowK mulgA gring_indexK // groupM ?enum_valP. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
regular_mx_repr
regular_repr:= MxRepresentation regular_mx_repr. Local Notation aG := regular_repr.
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
regular_repr
group_ring:= enveloping_algebra_mx aG. Local Notation R_G := group_ring.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
group_ring
gring_row: 'M[R]_nG -> 'rV_nG := row (gring_index 1). HB.instance Definition _ := GRing.Linear.on gring_row.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_row
gring_row_mulA B : gring_row (A *m B) = gring_row A *m B. Proof. exact: row_mul. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_row_mul
gring_projx := row (gring_index x) \o trmx \o gring_row. HB.instance Definition _ x := GRing.Linear.on (gring_proj x).
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_proj
gring_projE: {in G &, forall x y, gring_proj x (aG y) = (x == y)%:R}. Proof. move=> x y Gx Gy; rewrite /gring_proj /= /gring_row rowK gring_indexK //=. rewrite mul1g trmx_delta rowE mul_delta_mx_cond [delta_mx 0 0]mx11_scalar !mxE. by rewrite /= -(inj_eq (can_inj gring_valK)) !gring_indexK. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_projE
regular_mx_faithful: mx_faithful aG. Proof. apply/subsetP=> x /setIdP[Gx]. rewrite mul1mx inE => /eqP/(congr1 (gring_proj 1%g)). rewrite -(repr_mx1 aG) !gring_projE ?group1 // eqxx eq_sym. by case: (x == _) => // /eqP; rewrite eq_sym oner_eq0. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
regular_mx_faithful
gring_mx:= vec_mx \o mulmxr (enveloping_algebra_mx rG). HB.instance Definition _ := GRing.Linear.on gring_mx.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_mx
gring_mxJa x : x \in G -> gring_mx (a *m aG x) = gring_mx a *m rG x. Proof. move=> Gx; rewrite /gring_mx /= ![a *m _]mulmx_sum_row. rewrite !(mulmx_suml, linear_sum); apply: eq_bigr => i _. rewrite linearZ -!scalemxAl linearZ /=; congr (_ *: _) => {a}. rewrite !rowK /= !mxvecK -rowE rowK mxvecK. by rewrite gring_indexK ?groupM ?repr_mxM ?enum_valP. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_mxJ
gring_mxK: cancel (gring_mx aG) gring_row. Proof. move=> a; rewrite /gring_mx /= mulmx_sum_row !linear_sum /= [RHS]row_sum_delta. apply: eq_bigr => i _; rewrite 2!linearZ /= /gring_row !(rowK, mxvecK). by rewrite gring_indexK // mul1g gring_valK. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_mxK
gring_op:= gring_mx rG \o gring_row. HB.instance Definition _ := GRing.Linear.on gring_op.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_op
gring_opEa : gring_op a = gring_mx rG (gring_row a). Proof. by []. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_opE
gring_opGx : x \in G -> gring_op (aG x) = rG x. Proof. move=> Gx; rewrite gring_opE /gring_row rowK gring_indexK // mul1g. by rewrite /gring_mx /= -rowE rowK mxvecK gring_indexK. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_opG
gring_op1: gring_op 1%:M = 1%:M. Proof. by rewrite -(repr_mx1 aG) gring_opG ?repr_mx1. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_op1
gring_opJA b : gring_op (A *m gring_mx aG b) = gring_op A *m gring_mx rG b. Proof. rewrite /gring_mx /= ![b *m _]mulmx_sum_row !linear_sum. apply: eq_bigr => i _; rewrite !linearZ /= !rowK !mxvecK. by rewrite gring_opE gring_row_mul gring_mxJ ?enum_valP. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_opJ
gring_op_mxb : gring_op (gring_mx aG b) = gring_mx rG b. Proof. by rewrite -[_ b]mul1mx gring_opJ gring_op1 mul1mx. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_op_mx
gring_mxAa b : gring_mx rG (a *m gring_mx aG b) = gring_mx rG a *m gring_mx rG b. Proof. by rewrite -(gring_op_mx a) -gring_opJ gring_opE gring_row_mul gring_mxK. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
gring_mxA
map_regular_mxx : (regular_mx aR G x)^f = regular_mx rR G x. Proof. by apply/matrixP=> i j; rewrite !mxE rmorph_nat. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_regular_mx
map_gring_row(A : 'M_#|G|) : (gring_row A)^f = gring_row A^f. Proof. by rewrite map_row. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_gring_row
map_gring_projx (A : 'M_#|G|) : (gring_proj x A)^f = gring_proj x A^f. Proof. by rewrite map_row -map_trmx map_gring_row. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_gring_proj
map_repr_mx(f0 : aR -> rR) rG0 (g : gT) : 'M_n := map_mx f0 (rG0 g).
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_repr_mx
map_mx_repr: mx_repr G (map_repr_mx f rG). Proof. split=> [|x y Gx Gy]; first by rewrite /map_repr_mx repr_mx1 map_mx1. by rewrite -map_mxM -repr_mxM. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_mx_repr
map_repr:= MxRepresentation map_mx_repr. Local Notation rGf := map_repr.
Canonical
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_repr
map_reprEx : rGf x = (rG x)^f. Proof. by []. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_reprE
map_reprJm (A : 'M_(m, n)) x : (A *m rG x)^f = A^f *m rGf x. Proof. exact: map_mxM. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_reprJ
map_enveloping_algebra_mx: (enveloping_algebra_mx rG)^f = enveloping_algebra_mx rGf. Proof. by apply/row_matrixP=> i; rewrite -map_row !rowK map_mxvec. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_enveloping_algebra_mx
map_gring_mxa : (gring_mx rG a)^f = gring_mx rGf a^f. Proof. by rewrite map_vec_mx map_mxM map_enveloping_algebra_mx. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_gring_mx
map_gring_opA : (gring_op rG A)^f = gring_op rGf A^f. Proof. by rewrite map_gring_mx map_gring_row. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_gring_op
map_regular_repr: map_repr (regular_repr aR G) =1 regular_repr rR G. Proof. exact: map_regular_mx. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_regular_repr
map_group_ring: (group_ring aR G)^f = group_ring rR G. Proof. rewrite map_enveloping_algebra_mx; apply/row_matrixP=> i. by rewrite !rowK map_regular_repr. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
map_group_ring
repr_mx_freex : x \in G -> row_free (rG x). Proof. by move=> Gx; rewrite row_free_unit repr_mx_unit. Qed.
Lemma
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
repr_mx_free
rstabs:= [set x in G | U *m rG x <= U]%MS.
Definition
character
[ "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq path", "From mathcomp Require Import div choice fintype tuple finfun bigop prime", "From mathcomp Require Import ssralg poly polydiv finset fingroup morphism", "From mathcomp Require Import perm aut...
character/mxrepresentation.v
rstabs