[Feature] Update show methods to reflect new TensorKit printing #341

lkdvos · 2025-10-31T14:11:42Z

Some modifications to make sure everything is printing as it should be.

Examples:

Details

julia> psi = repeat(InfiniteMPS(2, 12), 2)
2-site InfiniteMPS(ComplexF64, ComplexSpace) with maximal dimension 12:
| ⋮
| ℂ^12
├─[2]─ ℂ^2
│ ℂ^12
├─[1]─ ℂ^2
│ ℂ^12
| ⋮


julia> H = repeat(InfiniteMPOHamiltonian(rand(ℂ^2⊗ℂ^2, ℂ^2⊗ℂ^2)), 2)
2-site InfiniteMPOHamiltonian(Float64, ComplexSpace) with maximal dimension 6:
| ⋮
| (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[2]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[1]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
| ⋮


julia> environments(psi, H)
2-site MPSKit.InfiniteEnvironments{BlockTensorKit.BlockTensorMap{TensorMap{ComplexF64, ComplexSpace, 2, 1, Vector{ComplexF64}}, ComplexF64, ComplexSpace, 2, 1, 3}}:
GL[2]: (⊞(ℂ^12) ⊗ ((ℂ^1)' ⊞ (ℂ^4)' ⊞ (ℂ^1)')) ← ⊞(ℂ^12)
GL[1]: (⊞(ℂ^12) ⊗ ((ℂ^1)' ⊞ (ℂ^4)' ⊞ (ℂ^1)')) ← ⊞(ℂ^12)
GR[2]: (⊞(ℂ^12) ⊗ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)) ← ⊞(ℂ^12)
GR[1]: (⊞(ℂ^12) ⊗ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)) ← ⊞(ℂ^12)


julia> psi = FiniteMPS(6, ℂ^2, ℂ^4)
6-site FiniteMPS(ComplexF64, ComplexSpace) with maximal dimension 4 and center 13/2:
┌─[6]─ ℂ^2
│ ℂ^2
├─[5]─ ℂ^2
│ ℂ^4
├─[4]─ ℂ^2
│ ℂ^4
├─[3]─ ℂ^2
│ ℂ^4
├─[2]─ ℂ^2
│ ℂ^2
└─[1]─ ℂ^2


julia> H = open_boundary_conditions(H, length(psi))
6-site FiniteMPOHamiltonian(Float64, ComplexSpace) with maximal dimension 6:
┬─[6]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[5]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[4]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[3]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[2]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┴─[1]─ ℂ^2


julia> environments(psi, H)
7-site MPSKit.FiniteEnvironments{Nothing, FiniteMPOHamiltonian{JordanMPOTensorMap{Float64, ComplexSpace, Vector{Float64}}}, TensorMap{ComplexF64, ComplexSpace, 2, 1, Vector{ComplexF64}}, BlockTensorKit.BlockTensorMap{TensorMap{ComplexF64, ComplexSpace, 2, 1, Vector{ComplexF64}}, ComplexF64, ComplexSpace, 2, 1, 3}}:
GL[7]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[6]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[5]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[4]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[3]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[2]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[1]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GR[7]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[6]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[5]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[4]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[3]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[2]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[1]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)

VictorVanthilt · 2025-10-31T14:19:29Z

I liked the old summary(TensorMap) so much more in this case:

10-site FiniteMPS (ComplexF64, ComplexSpace):
┌ C[10]: TensorMap(ℂ^1 ← ℂ^1)
├── AL[10]: TensorMap((ℂ^2 ⊗ ℂ^2) ← ℂ^1)
├── AL[9]: TensorMap((ℂ^4 ⊗ ℂ^2) ← ℂ^2)
├── AL[8]: TensorMap((ℂ^8 ⊗ ℂ^2) ← ℂ^4)
├── AL[7]: TensorMap((ℂ^16 ⊗ ℂ^2) ← ℂ^8)
├── AL[6]: TensorMap((ℂ^32 ⊗ ℂ^2) ← ℂ^16)
├── AL[5]: TensorMap((ℂ^16 ⊗ ℂ^2) ← ℂ^32)
├── AL[4]: TensorMap((ℂ^8 ⊗ ℂ^2) ← ℂ^16)
├── AL[3]: TensorMap((ℂ^4 ⊗ ℂ^2) ← ℂ^8)
├── AL[2]: TensorMap((ℂ^2 ⊗ ℂ^2) ← ℂ^4)
└── AL[1]: TensorMap((ℂ^1 ⊗ ℂ^2) ← ℂ^2)

Way more concise :/

codecov · 2025-10-31T14:20:07Z

Codecov Report

❌ Patch coverage is 14.54545% with 141 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/utility/show.jl	15.09%	135 Missing ⚠️
src/operators/jordanmpotensor.jl	0.00%	6 Missing ⚠️

Files with missing lines	Coverage Δ
src/MPSKit.jl	`100.00% <ø> (ø)`
src/environments/finite_envs.jl	`100.00% <ø> (ø)`
src/states/finitemps.jl	`94.20% <ø> (+12.05%)`	⬆️
src/states/infinitemps.jl	`76.11% <ø> (+11.56%)`	⬆️
src/operators/jordanmpotensor.jl	`84.11% <0.00%> (+1.16%)`	⬆️
src/utility/show.jl	`15.09% <15.09%> (ø)`

... and 1 file with indirect coverage changes

🚀 New features to boost your workflow:

❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

lkdvos · 2025-10-31T14:33:21Z

Unfortunately, the new domain and codomain printing is hard to turn off, as we missed to not use any newlines in the show(io, MIME"text/plain", ::AbstractTensorMap) implementation when get(io, :compact) == true. I can try and update this later, but could use some help...

Jutho · 2025-10-31T16:22:09Z

I didn't realise the domain and codomain suggestion was going to show up in showing the MPS. In that case, I would not have proposed it. It is indeed an oversight that we do now not even have a difference in showing tensors with and without :compact=>true.

lkdvos · 2025-11-06T01:44:21Z

Some updated suggestions:

Details

Here I've more or less restored the old approach by simply printing spaces instead:

julia> psi = FiniteMPS(5, ℂ^2, ℂ^10)
5-site FiniteMPS (ComplexF64, ComplexSpace) with maximal dimension 4:
┌ C[5]: ℂ^1 ← ℂ^1
┌── AL[5]: (ℂ^2 ⊗ ℂ^2) ← ℂ^1
├── AL[4]: (ℂ^4 ⊗ ℂ^2) ← ℂ^2
├── AL[3]: (ℂ^4 ⊗ ℂ^2) ← ℂ^4
├── AL[2]: (ℂ^2 ⊗ ℂ^2) ← ℂ^4
└── AL[1]: (ℂ^1 ⊗ ℂ^2) ← ℂ^2

Here I've condensed everything even further, avoiding printing the same virtualspace twice

julia> psi = FiniteMPS(40, ℂ^2, ℂ^50)
40-site FiniteMPS (ComplexF64, ComplexSpace) with center 81/2:
┌─[40]─ ℂ^2
│ ℂ^2
├─[39]─ ℂ^2
│ ℂ^4
├─[38]─ ℂ^2
│ ℂ^8
├─[37]─ ℂ^2
│ ℂ^16
├─[36]─ ℂ^2
│ ℂ^32
├─[35]─ ℂ^2
│ ℂ^50
├─[34]─ ℂ^2
│ ℂ^50
├─[33]─ ℂ^2
│ ℂ^50
├─[32]─ ℂ^2
│ ℂ^50
├─[31]─ ℂ^2
│ ℂ^50
├─[30]─ ℂ^2
│ ℂ^50
├─[29]─ ℂ^2
│ ⋮
│ ℂ^50
├─[11]─ ℂ^2
│ ℂ^50
├─[10]─ ℂ^2
│ ℂ^50
├─[9]─ ℂ^2
│ ℂ^50
├─[8]─ ℂ^2
│ ℂ^50
├─[7]─ ℂ^2
│ ℂ^50
├─[6]─ ℂ^2
│ ℂ^32
├─[5]─ ℂ^2
│ ℂ^16
├─[4]─ ℂ^2
│ ℂ^8
├─[3]─ ℂ^2
│ ℂ^4
├─[2]─ ℂ^2
│ ℂ^2
└─[1]─ ℂ^2

julia> psi = FiniteMPS(40, SU2Space(1 => 1), SU2Space(i => 10 for i in 0:5))
40-site FiniteMPS (ComplexF64, Rep[SU₂]) with center 81/2:
┌─[40]─ (1=>1)
│ (1=>1)
├─[39]─ (1=>1)
│ (0=>1, 1=>1, 2=>1)
├─[38]─ (1=>1)
│ (0=>1, 1=>3, 2=>2, 3=>1)
├─[37]─ (1=>1)
│ (0=>3, 1=>6, 2=>6, 3=>3, 4=>1)
├─[36]─ (1=>1)
│ (0=>6, 1=>10, 2=>10, 3=>10, 4=>4, 5=>1)
├─[35]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>5)
├─[34]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[33]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[32]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[31]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[30]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[29]─ (1=>1)
│ ⋮
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[11]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[10]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[9]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[8]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>10)
├─[7]─ (1=>1)
│ (0=>10, 1=>10, 2=>10, 3=>10, 4=>10, 5=>5)
├─[6]─ (1=>1)
│ (0=>6, 1=>10, 2=>10, 3=>10, 4=>4, 5=>1)
├─[5]─ (1=>1)
│ (0=>3, 1=>6, 2=>6, 3=>3, 4=>1)
├─[4]─ (1=>1)
│ (0=>1, 1=>3, 2=>2, 3=>1)
├─[3]─ (1=>1)
│ (0=>1, 1=>1, 2=>1)
├─[2]─ (1=>1)
│ (1=>1)
└─[1]─ (1=>1)

I quite like the last approach since I always had a hard time parsing the spaces, but it might not be super obvious what everything is anymore...
Let me know what you think, at least the code is simplifying 🙃

VictorVanthilt · 2025-11-06T10:44:04Z

I like these examples very much. The last 2 are indeed way more clear, I do like the maximal dimension note shown in the first example.

lkdvos · 2025-11-06T14:04:57Z

Some (hopefully) final changes:

Details

julia> psi = repeat(InfiniteMPS(2, 12), 2)
2-site InfiniteMPS(ComplexF64, ComplexSpace) maxdim = 12:
| ⋮
│ ℂ^12
├─[2]─ ℂ^2
│ ℂ^12
├─[1]─ ℂ^2
│ ℂ^12
| ⋮

julia> H = repeat(InfiniteMPOHamiltonian(rand(ℂ^2⊗ℂ^2, ℂ^2⊗ℂ^2)), 2)
2-site InfiniteMPOHamiltonian(Float64, ComplexSpace) maxdim = 6:
| ⋮
| (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[2]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[1]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
| ⋮

julia> environments(psi, H)
2-site MPSKit.InfiniteEnvironments{BlockTensorKit.BlockTensorMap{TensorMap{ComplexF64, ComplexSpace, 2, 1, Vector{ComplexF64}}, ComplexF64, ComplexSpace, 2, 1, 3}}:
GL[1]: (⊞(ℂ^12) ⊗ ((ℂ^1)' ⊞ (ℂ^4)' ⊞ (ℂ^1)')) ← ⊞(ℂ^12)
GL[2]: (⊞(ℂ^12) ⊗ ((ℂ^1)' ⊞ (ℂ^4)' ⊞ (ℂ^1)')) ← ⊞(ℂ^12)
GR[1]: (⊞(ℂ^12) ⊗ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)) ← ⊞(ℂ^12)
GR[2]: (⊞(ℂ^12) ⊗ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)) ← ⊞(ℂ^12)

julia> psi = FiniteMPS(6, ℂ^2, ℂ^4)
6-site FiniteMPS (ComplexF64, ComplexSpace) maxdim = 4  center = 13/2:
┌─[6]─ ℂ^2
│ ℂ^2
├─[5]─ ℂ^2
│ ℂ^4
├─[4]─ ℂ^2
│ ℂ^4
├─[3]─ ℂ^2
│ ℂ^4
├─[2]─ ℂ^2
│ ℂ^2
└─[1]─ ℂ^2

julia> H = open_boundary_conditions(H, length(psi))
6-site FiniteMPOHamiltonian(Float64, ComplexSpace) maxdim = 6:
┬─[6]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[5]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[4]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[3]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[2]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┴─[1]─ ℂ^2

julia> environments(psi, H)
7-site environments(state, ::FiniteMPOHamiltonian{JordanMPOTensorMap{Float64, ComplexSpace, Vector{Float64}}}):
GL[1]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[2]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[3]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[4]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[5]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[6]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[7]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GR[1]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[2]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[3]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[4]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[5]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[6]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[7]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)

VictorVanthilt · 2025-11-06T14:06:17Z

Magnificent. Never thought i'd see the day where environments would be pretty printed :)

leburgel · 2025-11-06T15:33:17Z

I don't really like 'maxdim'. I would prefer 'with maximal dimension = ..., center = ...', and actually even 'with maximal bond dimension ... and center ...', but the latter might be a bit long.
It's a bit strange that the operators and states are read bottom-to-top but the environments are read top-to-bottom. Given that we (at least I think) always have a left-to-right MPS with downward facing physical legs in mind, I prefer the bottom-to-top reading of the states and operators so I can tilt (quite literally) my head left and see the MPS of MPO I expect. So I would prefer to also show environments with site indices increasing bottom-to-top, so I can always tilt my head in the same direction.
The type printing for the finite environment is a bit weird compared to all the others: 7-site environments(state, ...) versus 2-site MPSKit.InfiniteEnvironments{...}. The type signature of the infinite one is a bit long (but doesn't really bother much I think). But the absence of a type for the finite environment really seems a bit off to me.

leburgel · 2025-11-06T15:36:08Z

Also this one seems off to me, the virtual space being constant across the sites, and especially not matching the virtual space of the finite state or Hamiltonian above doesn't seem right?

julia> environments(psi, H)
7-site environments(state, ::FiniteMPOHamiltonian{JordanMPOTensorMap{Float64, ComplexSpace, Vector{Float64}}}):
GL[1]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[2]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[3]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[4]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[5]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[6]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[7]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GR[1]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[2]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[3]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[4]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[5]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[6]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[7]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)

lkdvos · 2025-11-06T16:04:36Z

The spaces not matching is because environments(state, H) just puts dummy tensors there until you actually compute something, since the environments are actually a lazy representation.
The problem is that I don't actually know which environments are still valid until I start comparing with a state, so I can't use that information to print only the valid ones.

I think I've addressed the other comments.

Details

julia> psi = repeat(InfiniteMPS(2, 12), 2)
2-site InfiniteMPS(ComplexF64, ComplexSpace) with maximal dimension 12:
| ⋮
| ℂ^12
├─[2]─ ℂ^2
│ ℂ^12
├─[1]─ ℂ^2
│ ℂ^12
| ⋮


julia> H = repeat(InfiniteMPOHamiltonian(rand(ℂ^2⊗ℂ^2, ℂ^2⊗ℂ^2)), 2)
2-site InfiniteMPOHamiltonian(Float64, ComplexSpace) with maximal dimension 6:
| ⋮
| (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[2]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[1]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
| ⋮


julia> environments(psi, H)
2-site MPSKit.InfiniteEnvironments{BlockTensorKit.BlockTensorMap{TensorMap{ComplexF64, ComplexSpace, 2, 1, Vector{ComplexF64}}, ComplexF64, ComplexSpace, 2, 1, 3}}:
GL[2]: (⊞(ℂ^12) ⊗ ((ℂ^1)' ⊞ (ℂ^4)' ⊞ (ℂ^1)')) ← ⊞(ℂ^12)
GL[1]: (⊞(ℂ^12) ⊗ ((ℂ^1)' ⊞ (ℂ^4)' ⊞ (ℂ^1)')) ← ⊞(ℂ^12)
GR[2]: (⊞(ℂ^12) ⊗ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)) ← ⊞(ℂ^12)
GR[1]: (⊞(ℂ^12) ⊗ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)) ← ⊞(ℂ^12)


julia> psi = FiniteMPS(6, ℂ^2, ℂ^4)
6-site FiniteMPS(ComplexF64, ComplexSpace) with maximal dimension 4 and center 13/2:
┌─[6]─ ℂ^2
│ ℂ^2
├─[5]─ ℂ^2
│ ℂ^4
├─[4]─ ℂ^2
│ ℂ^4
├─[3]─ ℂ^2
│ ℂ^4
├─[2]─ ℂ^2
│ ℂ^2
└─[1]─ ℂ^2


julia> H = open_boundary_conditions(H, length(psi))
6-site FiniteMPOHamiltonian(Float64, ComplexSpace) with maximal dimension 6:
┬─[6]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[5]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[4]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[3]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┼─[2]─ ℂ^2
│ (ℂ^1 ⊞ ℂ^4 ⊞ ℂ^1)
┴─[1]─ ℂ^2


julia> environments(psi, H)
7-site MPSKit.FiniteEnvironments{Nothing, FiniteMPOHamiltonian{JordanMPOTensorMap{Float64, ComplexSpace, Vector{Float64}}}, TensorMap{ComplexF64, ComplexSpace, 2, 1, Vector{ComplexF64}}, BlockTensorKit.BlockTensorMap{TensorMap{ComplexF64, ComplexSpace, 2, 1, Vector{ComplexF64}}, ComplexF64, ComplexSpace, 2, 1, 3}}:
GL[7]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[6]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[5]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[4]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[3]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[2]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GL[1]: (⊞(ℂ^1) ⊗ ⊞((ℂ^1)')) ← ⊞(ℂ^1)
GR[7]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[6]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[5]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[4]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[3]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[2]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)
GR[1]: (⊞(ℂ^1) ⊗ ⊞(ℂ^1)) ← ⊞(ℂ^1)

lkdvos requested a review from VictorVanthilt October 31, 2025 14:11

lkdvos added 5 commits November 5, 2025 20:44

update finitemps printing

5815100

update infinitemps printing

725a1ed

update MPO printing

5276348

simplify MPS printing

2e2b15c

another show attempt

75787eb

lkdvos force-pushed the ld-show branch from 8267c4e to 75787eb Compare November 6, 2025 01:44

VictorVanthilt approved these changes Nov 6, 2025

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lkdvos added 5 commits November 6, 2025 07:37

one more show update

507178f

also include infinitemps

e6ac2ce

some reorganization

b4b916d

Also fix environments

a3d6ccc

export JordanMPO + type alias to shorten printing

1aadc58

lkdvos force-pushed the ld-show branch from 9e81b8f to 1aadc58 Compare November 6, 2025 14:00

lkdvos requested a review from leburgel November 6, 2025 14:16

address comments

94e8a36

leburgel approved these changes Nov 6, 2025

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lkdvos enabled auto-merge (squash) November 6, 2025 16:56

lkdvos merged commit aae67b5 into main Nov 6, 2025
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lkdvos deleted the ld-show branch November 6, 2025 17:46

leburgel mentioned this pull request Nov 27, 2025

Fix docs build on Julia v1.12.2+ QuantumKitHub/PEPSKit.jl#301

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