Questions tagged [minimum-weight-perfect-matching]

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Why minimum weight in the minimum weight perfect matching?

I am studying quantum decoding, especially for minimum weight perfect matching. I wonder after finding perfect matching (syndrome graph referred by sparse Blossom), why do we need to select minimum ...
김동민's user avatar
1 vote
1 answer
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How can we decode non CSS codes like XZZX code with Pymatching?

I am trying to use Pymatching to decode some non CSS codes like the XZZX code. Pymatching is a perfect decoder for CSS codes, which can work effectively even of a large code distance. I have tried to ...
Qingwei Wang's user avatar
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2 answers
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Can you give an intuitive idea behind how the Minimum Weight Perfect Matching (MWPM) decoder work?

The Minimum Weight Perfect Matching (MWPM) decoder seems to be the most popular choice for decoding error syndromes in Surface Code quantum error correction. Can anyone give an intuitive idea of how ...
Aubrey Sharansky's user avatar
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Some problems when trying to reproduce the threshold result of simulation of surface code

Recently I am trying to do some simulations on the surface code to get the empirical curve of logical error(P_L) corresponding with physical error rate(p) and code distance(d) as Towards practical ...
Zehong Fan's user avatar
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Do detection events mean temporal and spatial coordinates?

In pymatching, the check_matrix structure is for stabilizers rather than measurement outcome of stabilizers. I want to plot "matching" for my measurement outcomes.To do that, I need to ...
quest's user avatar
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Pymatching Toric Code vs Surface Code

I am looking the example of toric code in Pymatching. Here is the code: ...
quest's user avatar
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