kalmar/Groups.jl
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fix the AutGroup gens

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kalmarek 2017-10-24 15:27:43 +02:00
parent 23d3787e34
commit c593522ab9
1 changed files with 9 additions and 3 deletions
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src/AutGroup.jl
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@ -112,14 +112,20 @@ function AutGroup(G::FreeGroup; special=false)
n = length(G.gens) n = length(G.gens)
n == 0 && return AutGroup(G, AutSymbol[]) n == 0 && return AutGroup(G, AutSymbol[])
S = AutSymbol[] S = AutSymbol[]
indexing = [[i,j] for i in 1:n for j in 1:n if i≠j] indexing = [[i,j] for i in 1:n for j in 1:n if i≠j]
rmuls = [rmul_autsymbol(i,j) for (i,j) in indexing] rmuls = [rmul_autsymbol(i,j) for (i,j) in indexing]
append!(S, rmuls)
lmuls = [lmul_autsymbol(i,j) for (i,j) in indexing] lmuls = [lmul_autsymbol(i,j) for (i,j) in indexing]
append!(S, lmuls)
append!(S, [rmuls; lmuls])
if !special if !special
flips = [flip_autsymbol(i) for i in 1:n] flips = [flip_autsymbol(i) for i in 1:n]
append!(S, flips) syms = [perm_autsymbol(p) for p in elements(PermutationGroup(n))][2:end]
append!(S, [flips; syms])
end end
return AutGroup(G, S) return AutGroup(G, S)
end end