kalmar
/
PropertyT.jl
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we act on MatAlgElem now; use MatAlgebra

This commit is contained in:
kalmarek 2019-07-01 01:37:33 +02:00
parent 88b460a959
commit cc9d3db846
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2 changed files with 9 additions and 7 deletions
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6
src/orbitdata.jl
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@ -213,7 +213,7 @@ function (g::perm)(y::GroupRingElem{T, <:SparseVector}) where T
return result
end
function (p::perm)(A::MatElem)
function (p::perm)(A::MatAlgElem)
length(p.d) == size(A, 1) == size(A,2) || throw("Can't act via $p on matrix of size $(size(A))")
result = similar(A)
@inbounds for i in 1:size(A, 1)
@ -226,7 +226,7 @@ end
###############################################################################
#
# WreathProductElems action on Nemo.MatElem
# WreathProductElems action on MatAlgElem
#
###############################################################################
@ -242,7 +242,7 @@ function (g::WreathProductElem)(y::GroupRingElem)
return result
end
function (g::WreathProductElem{N})(A::MatElem) where N
function (g::WreathProductElem{N})(A::MatAlgElem) where N
# @assert N == size(A,1) == size(A,2)
flips = ntuple(i->(g.n[i].d[1]==1 && g.n[i].d[2]==2 ? 1 : -1), N)
result = similar(A)

10
src/sqadjop.jl
View File

@ -9,7 +9,7 @@ function generating_set(G::AutGroup{N}, n=N) where N
return [gen_set; inv.(gen_set)]
end
function E(M::MatSpace, i::Integer, j::Integer, val=1)
function E(M::MatAlgebra, i::Integer, j::Integer, val=1)
@assert i ≠ j
@assert 1 ≤ i ≤ nrows(M)
@assert 1 ≤ j ≤ ncols(M)
@ -18,8 +18,7 @@ function E(M::MatSpace, i::Integer, j::Integer, val=1)
return m
end
function generating_set(M::MatSpace, n=nrows(M))
@assert nrows(M) == ncols(M)
function generating_set(M::MatAlgebra, n=M.n)
elts = [E(M, i,j) for (i,j) in indexing(n)]
return elem_type(M)[elts; inv.(elts)]
@ -92,10 +91,13 @@ function Op(RG::GroupRing, N::Integer)
return op÷factorial(N-2)^2
end
AbstractAlgebra.nrows(M::MatAlgebra) = M.n
AbstractAlgebra.ncols(M::MatAlgebra) = M.n
for Elt in [:Sq, :Adj, :Op]
@eval begin
$Elt(RG::GroupRing{AutGroup{N}}) where N = $Elt(RG, N)
$Elt(RG::GroupRing{<:MatSpace}) = $Elt(RG, nrows(RG.group))
$Elt(RG::GroupRing{<:MatAlgebra}) = $Elt(RG, nrows(RG.group))
end
end