Add Tanner graph from AutDec paper
This commit is contained in:
@@ -431,8 +431,13 @@
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\item Example: The 3-qubit repetition code for $\X$ errors
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\item Example: The 3-qubit repetition code for $\X$ errors
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\end{itemize}
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\end{itemize}
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\vspace*{-5mm}
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\vspace*{5mm}
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\begin{figure}[H]
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\centering
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\hspace*{-25mm}
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\begin{subfigure}{0.4\textwidth}
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\centering
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\begin{align*}
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\begin{align*}
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\bm{H} =
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\bm{H} =
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\begin{pmatrix}
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\begin{pmatrix}
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@@ -441,7 +446,6 @@
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\end{pmatrix}
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\end{pmatrix}
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\end{align*}
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\end{align*}
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\begin{figure}[H]
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% \newcommand{\anyerrgate}{\gate[style={fill=red!20}]{\mathcal{E}_\text{XYZ}}}
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% \newcommand{\anyerrgate}{\gate[style={fill=red!20}]{\mathcal{E}_\text{XYZ}}}
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\newcommand{\preperr}{\gate[style={fill=orange!20}]{\phantom{1}}}
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\newcommand{\preperr}{\gate[style={fill=orange!20}]{\phantom{1}}}
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\newcommand{\gateerr}{\gate[style={fill=red!20}]{\phantom{1}}}
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\newcommand{\gateerr}{\gate[style={fill=red!20}]{\phantom{1}}}
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@@ -457,10 +461,17 @@
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\lstick{$\ket{0}_{\text{A}_2}$} & & & \targ{} & \targ{} & \meter{} & \setwiretype{c}
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\lstick{$\ket{0}_{\text{A}_2}$} & & & \targ{} & \targ{} & \meter{} & \setwiretype{c}
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\end{quantikz}
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\end{quantikz}
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% tex-fmt: on
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% tex-fmt: on
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% \caption{Circuit-level noise model for the 3-qubit repetition code}
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\end{subfigure}%
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\begin{subfigure}{0.15\textwidth}
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\centering
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\begin{align*}
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\bm{H} \bm{y}^\text{T} = \bm{s}
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\end{align*}
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\vspace*{-5mm}
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\end{subfigure}
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\end{figure}
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\end{figure}
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\vspace*{5mm}
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\vspace*{10mm}
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\addreferences
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\addreferences
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{nielsen_quantum_2010}
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{nielsen_quantum_2010}
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@@ -1115,8 +1126,6 @@
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\vspace*{-17mm}
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\vspace*{-17mm}
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\begin{itemize}
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\begin{itemize}
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\item \schlagwort{Detector error matrix} $\bm{H}$ contains
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modified error patterns \citereference{derks_designing_2025}
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\item Repetition of errors mitigated by XORing measurements
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\item Repetition of errors mitigated by XORing measurements
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\end{itemize}
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\end{itemize}
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@@ -1171,6 +1180,7 @@
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\begin{minipage}{0.6\textwidth}
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\begin{minipage}{0.6\textwidth}
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\newcommand\cc{\cellcolor{blue!20}}
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\newcommand\cc{\cellcolor{blue!20}}
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\visible<3->{
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\begin{align*}
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\begin{align*}
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\bm{H} =
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\bm{H} =
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% tex-fmt: off
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% tex-fmt: off
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@@ -1184,6 +1194,7 @@
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\end{array}\right)
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\end{array}\right)
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% tex-fmt: on
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% tex-fmt: on
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\end{align*}
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\end{align*}
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}
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\end{minipage}
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\end{minipage}
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\vspace*{5mm}
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\vspace*{5mm}
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@@ -1192,6 +1203,8 @@
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\begin{itemize}
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\begin{itemize}
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\item A detector is a parity constraint on a set of
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\item A detector is a parity constraint on a set of
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measurement outcomes
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measurement outcomes
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\item The \schlagwort{detector error matrix} $\bm{H}$ contains
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modified error patterns \citereference{derks_designing_2025}
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\end{itemize}
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\end{itemize}
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}
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}
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@@ -1328,16 +1341,20 @@
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\fill[kit-blue!60]
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\fill[kit-blue!60]
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($(path picture bounding box.south west)+(0,0)$) --
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($(path picture bounding box.south west)+(0,0)$) --
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($(path picture bounding box.north west)+(0,0)$) --
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($(path picture bounding box.north west)+(0,0)$) --
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($(path picture bounding box.north west)+(0.34,0)$) -- cycle;
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($(path picture bounding box.north
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west)+(0.34,0)$) -- cycle;
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\fill[kit-orange!60]
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\fill[kit-orange!60]
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($(path picture bounding box.north east)+(0,0)$) --
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($(path picture bounding box.north east)+(0,0)$) --
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($(path picture bounding box.south east)+(0,0)$) --
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($(path picture bounding box.south east)+(0,0)$) --
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($(path picture bounding box.south east)+(-0.34,0)$) -- cycle;
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($(path picture bounding box.south
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east)+(-0.34,0)$) -- cycle;
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\fill[kit-red!60]
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\fill[kit-red!60]
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($(path picture bounding box.north east)+(0,0)$) --
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($(path picture bounding box.north east)+(0,0)$) --
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($(path picture bounding box.south east)+(-0.34,0)$) --
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($(path picture bounding box.south
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east)+(-0.34,0)$) --
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($(path picture bounding box.south west)+(0,0)$) --
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($(path picture bounding box.south west)+(0,0)$) --
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($(path picture bounding box.north west)+(0.34,0)$) -- cycle;
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($(path picture bounding box.north
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west)+(0.34,0)$) -- cycle;
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}
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}
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}]{\phantom{1}}}
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}]{\phantom{1}}}
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@@ -1394,22 +1411,40 @@
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% - Babar et al. use the SPA
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% - Babar et al. use the SPA
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% - A lot of publications use Roffe's ldpc package -> min-sum
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% - A lot of publications use Roffe's ldpc package -> min-sum
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\vspace*{-10mm}
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\begin{itemize}
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\begin{itemize}
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\item A \ac{dem} combines a detector error matrix and a noise model
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\item A \schlagwort{\acl{dem}} (DEM) combines a detector error
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\item When employing \ac{bp}, the syndrome-based variant must
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matrix and a noise model
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be used \citereference{babar_fifteen_2015}
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\visible<2->{
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\item The likelihoods of different error locations can be
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\item Tanner graph of detector error matrix of \ac{bb} code
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used as priors for decoding
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\citereference{koutsioumpas_automorphism_2025}
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}
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\end{itemize}
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\vspace*{5mm}
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\vspace*{5mm}
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\visible<2->{
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\begin{figure}[H]
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\centering
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\includegraphics[scale=5,angle=90]{res/stergios_tanner_graph}
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\end{figure}
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}
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\visible<3->{
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\begin{itemize}
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\item Challenges
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\item Challenges
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\begin{itemize}
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\begin{itemize}
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\item Repeated syndrome measurements come with
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\item Repeated syndrome measurements lead to
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increased decoding complexity
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increased decoding complexity
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\citereference{gong_toward_2024}
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\citereference{gong_toward_2024}
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\item Degeneracy and short cycles lead to degraded
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\item Degeneracy and short cycles lead to degraded
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performance of \ac{bp} \citereference{babar_fifteen_2015}
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performance of \ac{bp}
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\citereference{babar_fifteen_2015}
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\end{itemize}
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\end{itemize}
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\end{itemize}
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\end{itemize}
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}
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\vspace*{20mm}
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\vspace*{20mm}
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@@ -1481,6 +1516,8 @@
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\ac{bp} with guided decimation
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\ac{bp} with guided decimation
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\end{itemize}
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\end{itemize}
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\vspace*{5mm}
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\begin{figure}
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\begin{figure}
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\begin{subfigure}[b]{0.5\textwidth}
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\begin{subfigure}[b]{0.5\textwidth}
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\newcommand{\pz}{\phantom{\bm{0}}}
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\newcommand{\pz}{\phantom{\bm{0}}}
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@@ -1559,8 +1596,6 @@
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\end{subfigure}%
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\end{subfigure}%
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\end{figure}
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\end{figure}
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\vspace*{3mm}
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\visible<2->{
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\visible<2->{
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\begin{itemize}
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\begin{itemize}
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\item However, no passing of soft information between windows
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\item However, no passing of soft information between windows
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BIN
src/midterm_presentation/res/stergios_tanner_graph.png
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BIN
src/midterm_presentation/res/stergios_tanner_graph.png
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Binary file not shown.
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