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Merged
Yue-Zhengyuan merged 1 commit into from
Nov 15, 2025
Merged

Make physicalspace etc periodic for infinite networks #290

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5 changes: 4 additions & 1 deletion src/networks/infinitesquarenetwork.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,10 @@ end

## Spaces

virtualspace(n::InfiniteSquareNetwork, r::Int, c::Int, dir) = virtualspace(n[r, c], dir)
function virtualspace(n::InfiniteSquareNetwork, r::Int, c::Int, dir)
Nr, Nc = size(n)
return virtualspace(n[mod1(r, Nr), mod1(c, Nc)], dir)
end

## Vector interface

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15 changes: 12 additions & 3 deletions src/operators/infinitepepo.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -147,9 +147,18 @@ end
## Spaces

TensorKit.spacetype(::Type{P}) where {P <: InfinitePEPO} = spacetype(eltype(P))
virtualspace(T::InfinitePEPO, r::Int, c::Int, h::Int, dir) = virtualspace(T[r, c, h], dir)
domain_physicalspace(T::InfinitePEPO, r::Int, c::Int) = domain_physicalspace(T[r, c, 1])
codomain_physicalspace(T::InfinitePEPO, r::Int, c::Int) = codomain_physicalspace(T[r, c, end])
function virtualspace(T::InfinitePEPO, r::Int, c::Int, h::Int, dir)
Nr, Nc, Nh = size(T)
return virtualspace(T[mod1(r, Nr), mod1(c, Nc), mod1(h, Nh)], dir)
end
function domain_physicalspace(T::InfinitePEPO, r::Int, c::Int)
Nr, Nc, = size(T)
return domain_physicalspace(T[mod1(r, Nr), mod1(c, Nc), 1])
end
function codomain_physicalspace(T::InfinitePEPO, r::Int, c::Int)
Nr, Nc, = size(T)
return codomain_physicalspace(T[mod1(r, Nr), mod1(c, Nc), end])
end
physicalspace(T::InfinitePEPO) = [physicalspace(T, row, col) for row in axes(T, 1), col in axes(T, 2)]
function physicalspace(T::InfinitePEPO, r::Int, c::Int)
codomain_physicalspace(T, r, c) == domain_physicalspace(T, r, c) || throw(
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5 changes: 4 additions & 1 deletion src/states/infinitepartitionfunction.jl
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Expand Up @@ -139,7 +139,10 @@ end
## Spaces

TensorKit.spacetype(::Type{T}) where {T <: InfinitePartitionFunction} = spacetype(eltype(T))
virtualspace(n::InfinitePartitionFunction, r::Int, c::Int, dir) = virtualspace(n[r, c], dir)
function virtualspace(n::InfinitePartitionFunction, r::Int, c::Int, dir)
Nr, Nc = size(n)
return virtualspace(n[mod1(r, Nr), mod1(c, Nc)], dir)
end

## InfiniteSquareNetwork interface

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10 changes: 8 additions & 2 deletions src/states/infinitepeps.jl
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Expand Up @@ -143,9 +143,15 @@ end

TensorKit.spacetype(::Type{T}) where {T <: InfinitePEPS} = spacetype(eltype(T))
virtualspace(n::InfinitePEPS, dir) = virtualspace.(unitcell(n), dir)
virtualspace(n::InfinitePEPS, r::Int, c::Int, dir) = virtualspace(n[r, c], dir)
function virtualspace(n::InfinitePEPS, r::Int, c::Int, dir)
Nr, Nc = size(n)
return virtualspace(n[mod1(r, Nr), mod1(c, Nc)], dir)
end
physicalspace(n::InfinitePEPS) = physicalspace.(unitcell(n))
physicalspace(n::InfinitePEPS, r::Int, c::Int) = physicalspace(n[r, c])
function physicalspace(n::InfinitePEPS, r::Int, c::Int)
Nr, Nc = size(n)
return physicalspace(n[mod1(r, Nr), mod1(c, Nc)])
end

## InfiniteSquareNetwork interface

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