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mirror of https://github.com/kalmarek/PropertyT.jl.git synced 2024-12-24 02:00:30 +01:00

update to latest AA, Groups, GroupRings

This commit is contained in:
kalmarek 2020-04-19 21:36:24 +02:00
parent 94c5481952
commit daa29f5223
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7 changed files with 172 additions and 115 deletions

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@ -2,24 +2,24 @@
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@ -69,11 +87,17 @@ git-tree-sha1 = "ed2c4abadf84c53d9e58510b5fc48912c2336fbb"
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@ -84,25 +108,25 @@ deps = ["Mmap"]
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@ -166,6 +208,12 @@ git-tree-sha1 = "b34d7cef7b337321e97d22242c3c2b91f476748e"
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@ -230,22 +296,18 @@ version = "0.12.0"
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@ -255,9 +317,9 @@ deps = ["Serialization"]
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@ -283,10 +345,10 @@ deps = ["LinearAlgebra", "Random"]
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@ -1,7 +1,7 @@
name = "PropertyT"
uuid = "03b72c93-0167-51e2-8a1e-eb4ff1fb940d"
authors = ["Marek Kaluba <kalmar@amu.edu.pl>"]
version = "0.3.1"
version = "0.3.2"
[deps]
AbstractAlgebra = "c3fe647b-3220-5bb0-a1ea-a7954cac585d"
@ -12,16 +12,16 @@ IntervalArithmetic = "d1acc4aa-44c8-5952-acd4-ba5d80a2a253"
JLD = "4138dd39-2aa7-5051-a626-17a0bb65d9c8"
JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"
MathProgBase = "fdba3010-5040-5b88-9595-932c9decdf73"
Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
[compat]
AbstractAlgebra = "^0.7.0"
GroupRings = "^0.3.0"
Groups = "^0.3.0"
julia = "≥ 1.1.0"
AbstractAlgebra = "^0.9.0"
GroupRings = "^0.3.1"
Groups = "^0.4.0"
IntervalArithmetic = "^0.16.0"
JLD = "^0.9.0"
JuMP = "^0.20.0"
julia = "^1.3.0, ^1.4.0"
[extras]
SCS = "c946c3f1-0d1f-5ce8-9dea-7daa1f7e2d13"

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@ -1,8 +0,0 @@
julia
AbstractAlgebra
Groups
GroupRings
IntervalArithmetic
JuMP
JLD
SCS

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@ -1,5 +1,3 @@
using Printf
###############################################################################
#
# Settings and filenames

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@ -2,8 +2,8 @@ indexing(n) = [(i,j) for i in 1:n for j in 1:n if i≠j]
function generating_set(G::AutGroup{N}, n=N) where N
rmuls = [Groups.rmul_autsymbol(i,j) for (i,j) in indexing(n)]
lmuls = [Groups.lmul_autsymbol(i,j) for (i,j) in indexing(n)]
rmuls = [Groups.transvection_R(i,j) for (i,j) in indexing(n)]
lmuls = [Groups.transvection_L(i,j) for (i,j) in indexing(n)]
gen_set = G.([rmuls; lmuls])
return [gen_set; inv.(gen_set)]

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@ -4,7 +4,6 @@ module PropertyT
using AbstractAlgebra
using LinearAlgebra
using SparseArrays
using Markdown
using Dates
using Groups
@ -15,8 +14,6 @@ using JuMP
import AbstractAlgebra: Group, NCRing
import MathProgBase.SolverInterface.AbstractMathProgSolver
include("laplacians.jl")
include("RGprojections.jl")
include("orbitdata.jl")

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@ -3,7 +3,6 @@ module Projections
using AbstractAlgebra
using Groups
using GroupRings
using Markdown
export PermCharacter, DirectProdCharacter, rankOne_projections
@ -55,7 +54,7 @@ for T in [PermCharacter, DirectProdCharacter]
end
end
characters(G::Generic.PermGroup) = (PermCharacter(p) for p in AllParts(G.n))
characters(G::Generic.SymmetricGroup) = (PermCharacter(p) for p in AllParts(G.n))
function characters(G::DirectPowerGroup{N}) where N
nfold_chars = Iterators.repeated(characters(G.group), N)
@ -80,7 +79,7 @@ function central_projection(RG::GroupRing, chi::AbstractCharacter, T::Type=Ratio
return result
end
function alternating_emb(RG::GroupRing{Gr,T}, V::Vector{T}, S::Type=Rational{Int}) where {Gr<:Generic.PermGroup, T<:GroupElem}
function alternating_emb(RG::GroupRing{Gr,T}, V::Vector{T}, S::Type=Rational{Int}) where {Gr<:AbstractAlgebra.AbstractPermutationGroup, T<:GroupElem}
res = RG(S)
for g in V
res[g] += sign(g)
@ -88,7 +87,7 @@ function alternating_emb(RG::GroupRing{Gr,T}, V::Vector{T}, S::Type=Rational{Int
return res
end
function idempotents(RG::GroupRing{Generic.PermGroup{S}}, T::Type=Rational{Int}) where S<:Integer
function idempotents(RG::GroupRing{Generic.SymmetricGroup{S}}, T::Type=Rational{Int}) where S<:Integer
if RG.group.n == 1
return GroupRingElem{T}[one(RG,T)]
elseif RG.group.n == 2
@ -142,7 +141,7 @@ function rankOne_projection(chi::PermCharacter, idems::Vector{T}) where {T<:Grou
throw("Couldn't find rank-one projection for $chi")
end
function rankOne_projections(RG::GroupRing{G}, T::Type=Rational{Int}) where G<:Generic.PermGroup
function rankOne_projections(RG::GroupRing{<:Generic.SymmetricGroup}, T::Type=Rational{Int})
if RG.group.n == 1
return [GroupRingElem([one(T)], RG)]
end
@ -170,7 +169,7 @@ function rankOne_projections(RBn::GroupRing{G}, T::Type=Rational{Int}) where {G<
N = Bn.P.n
# projections as elements of the group rings RSₙ
Sn_rankOnePr = [rankOne_projections(
GroupRing(PermGroup(i), collect(PermGroup(i))))
GroupRing(SymmetricGroup(i), collect(SymmetricGroup(i))))
for i in typeof(N)(1):N]
# embedding into group ring of BN
@ -208,15 +207,16 @@ end
#
##############################################################################
@doc doc"""
products(X::Vector{GroupElem}, Y::Vector{GroupElem}, op=*)
> Returns a vector of all possible products (or `op(x,y)`), where $x\in X$ and
> $y\in Y$ are group elements. You may specify which operation is used when
> forming 'products' by adding `op` (which is `*` by default).
"""
products(X::Vector{GroupElem}, Y::Vector{GroupElem}[, op=*])
Return a vector of all possible products (or `op(x,y)`), where `x ∈ X` and
`y ∈ Y`. You may change which operation is used by specifying `op` argument.
"""
function products(X::AbstractVector{T}, Y::AbstractVector{T}, op=*) where {T<:GroupElem}
result = Vector{T}()
seen = Set{T}()
sizehint!(result, length(X)*length(Y))
sizehint!(seen, length(X)*length(Y))
for x in X
for y in Y
z = op(x,y)
@ -229,25 +229,21 @@ function products(X::AbstractVector{T}, Y::AbstractVector{T}, op=*) where {T<:Gr
return result
end
@doc doc"""
generateGroup(gens::Vector{GroupElem}, r=2, Id=parent(first(gens))(), op=*)
> Produces all elements of a group generated by elements in `gens` in ball of
> radius `r` (word-length metric induced by `gens`).
> If `r(=2)` is specified the procedure will terminate after generating ball
> of radius `r` in the word-length metric induced by `gens`.
> The identity element `Id` and binary operation function `op` can be supplied
> to e.g. take advantage of additive group structure.
"""
function generateGroup(gens::Vector{T}, r=2, Id::T=one(parent(first(gens))), op=*) where {T<:GroupElem}
generateGroup(gens::Vector{GroupElem}, r, [op=*])
Produce all elements of a group generated by elements in `gens` in ball of
radius `r` (word-length metric induced by `gens`). The binary operation can
be optionally specified.
"""
function generateGroup(gens::Vector{T}, r, op=*) where {T<:GroupElem}
n = 0
R = 1
elts = gens
gens = [Id; gens]
elts = [one(first(gens)); gens]
while n length(elts) && R < r
# @show elts
R += 1
n = length(elts)
elts = products(elts, gens, op)
elts = products(gens, elts, op)
end
return elts
end