Zip-up compression for FiniteMPO-FiniteMPS product - #470

Merged

lkdvos merged 24 commits into

QuantumKitHub:mainfrom

Yue-Zhengyuan:zipper

Jul 31, 2026

Commits on Jul 22, 2026

Fix formatting
Yue-Zhengyuan
committed
4c5fe13
Add finite MPO-MPS zipper compression
Yue-Zhengyuan
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e013be9
Change to `approximate` interface
Yue-Zhengyuan
committed
85f6dbd

Commits on Jul 23, 2026

Remove unnecessary copy
Yue-Zhengyuan
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46ca0b7
Switch to left-to-right zipper
Yue-Zhengyuan
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404fdbb
Add reference
Yue-Zhengyuan
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8757f95
Change constructors of `Zipper`
Yue-Zhengyuan
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2b8c493

Commits on Jul 24, 2026

Rename to `Zipup` and cite Stoudenmire instead
Yue-Zhengyuan
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9779e62

Commits on Jul 28, 2026

Merge remote-tracking branch 'upstream/main' into zipper
Yue-Zhengyuan
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bd29bb9
Two-sweep version of zipup
Yue-Zhengyuan
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35e31f5

Commits on Jul 29, 2026

Commits on Jul 30, 2026

Stop requiring left/right-most virtual space to be trivial
Yue-Zhengyuan
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8aa1fad
Add `_input_physicalspace` for MPO tensors

lkdvos
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claude
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38beddf
Add partially fused MPO-MPS contractions

lkdvos
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claude
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94a94c0
Make `Zipup` in-place and drop the redundant right fuser

lkdvos
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claude
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4449999
Merge the zip sweeps and make the direction selectable

lkdvos
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claude
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5dce6cc
test: cover the in-place and directional `Zipup` interface

lkdvos
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claude
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0249b1f
Add changelog entry for `Zipup`

lkdvos
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claude
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0e81bd2
test: fold the `Zipup` tests into the `approximate` testset

lkdvos
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claude
committed
7e9ebb5

Commits on Jul 31, 2026

Unicode drawing for `fuse_mpo_mps`
Yue-Zhengyuan
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64abd62
Merge remote-tracking branch 'upstream/main' into zipper
Yue-Zhengyuan
committed
dbdf523