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Replace all references with manual strings

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Andreas Tsouchlos
2026-02-04 22:34:48 +01:00
parent a3e6d273a7
commit 979f33a825
1 changed files with 263 additions and 113 deletions
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src/midterm_presentation/main.tex
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@@ -86,6 +86,30 @@
{\typeout{Successfully patched fullwire for classical wires}}
{\typeout{Failed to patch fullwire for classical wires}}
\makeatletter
\newcommand{\addreferencesmanual}{%
\begin{scriptsize}
\begin{tabular}{lp{0.88\textwidth}}
\@addreferencesimanual
}
\newcommand\@addreferencesimanual{\@ifnextchar\stopreferencesmanual{\@addreferencesendmanual}{\@addreferencesiimanual}}
\newcommand\@addreferencesiimanual[2]{%
\textcolor{kit-green100}{[#1]} & \textcolor{kit-green100}{#2} \\
\@addreferencesimanual % restart the recursion
}
\newcommand\@addreferencesendmanual[1]{% The argument is \stopimages
\end{tabular}
\end{scriptsize}
}
\makeatother
\newcommand{\citereferencemanual}[1]{\textcolor{kit-green100}{\textbf{\scriptsize{[#1]}}}}
%
%
% Acronyms
@@ -169,12 +193,12 @@
\item Simulating quantum systems on classical hardware
is exponentially complex \\
$\rightarrow$ Use quantum hardware to simulate quantum
systems \citereference{feynman_simulating_1982}
systems \citereferencemanual{Fey82}
\item ``Hard'' to solve problems on classical computers can
be ``easy'' on quantum computers
\citereference{preskill_quantum_2018}
\citereferencemanual{Pre18}
\item Google Quantum AI's quantum computing roadmap
\citereference{google_quantum_ai_quantum_nodate}
\citereferencemanual{Goo23}
\end{itemize}
\vspace*{3mm}
@@ -186,11 +210,20 @@
\vspace*{3mm}
\addreferences
{feynman_simulating_1982}
{preskill_quantum_2018}
{google_quantum_ai_quantum_nodate}
\stopreferences
\addreferencesmanual
{Fey82}{
R. P. Feynman, ``Simulating physics with computers,'',
\emph{International Journal of Theoretical Physics}, 1982.
}
{Pre18}{
J. Preskill, ``Quantum Computing in the NISQ era and
beyond,'' \emph{Quantum}, 2018.
}
{Goo23}{
Google Quantum AI, \emph{Quantum Computing Roadmap}, URL:
\url{https://quantumai.google/qecmilestone2023}, 2023.
}
\stopreferencesmanual
\end{frame}
% TODO: Where should I quote Preskill? There are multiple bullet
@@ -225,7 +258,7 @@
\item Quantum systems are inherently fragile
\item Interacting with the quantum state disturbs it
\item Idea: Represent \schlagwort{logical qubits} using more
\schlagwort{physical qubits} \citereference{roffe_quantum_2019}
\schlagwort{physical qubits} \citereferencemanual{Rof19}
\vspace*{2mm}
@@ -258,26 +291,36 @@
\begin{itemize}
\item Recent scheme by IBM encodes $12$ logical
qubits in $288$ physical ones
\citereference{bravyi_high-threshold_2024}
\citereferencemanual{BCG$^+$24}
\item Physical error rate typically set to $10^{-3}$
for simulations (e.g.,
\citereference{bravyi_high-threshold_2024})
\citereferencemanual{BCG$^+$24})
\item Decode with ultra-low latency to avoid
\schlagwort{backlog problem} (about
$\SI{1}{\micro s}$ per data \\
extraction round)
\citereference{caune_demonstrating_2024}
\citereferencemanual{CSB$^+$24}
\end{itemize}
}
\end{itemize}
\vspace*{10mm}
\addreferences
{roffe_quantum_2019}
{bravyi_high-threshold_2024}
{caune_demonstrating_2024}
\stopreferences
\addreferencesmanual
{Rof19}{
J. Roffe, ``Quantum error correction: An introductory
guide,'' \emph{Contemporary Physics}, 2019.
}
{BCG$^+$24}{
S. Bravyi et al., ``High-threshold and low-overhead
fault-tolerant quantum memory,'' \emph{Nature}, 2024.
}
{CSB$^+$24}{
L. Caune et al., ``Demonstrating real-time and low-latency
quantum error correction with superconducting qubits'',
\emph{arXiv:2410.05202}, 2024.
}
\stopreferencesmanual
\end{frame}
%%%%%%%%%%%%%%%%
@@ -311,7 +354,7 @@
\item Classical systems built with bits and gates, quantum
systems with qubits and quantum gates
\item We have to consider phase flip errors in addition to
bit flip errors \citereference{roffe_quantum_2019}
bit flip errors \citereferencemanual{Rof19}
\end{itemize}
\vspace*{-3mm}
@@ -355,22 +398,31 @@
\item Measuring the qubits directly destroys superpositions
and entanglement \\
$\rightarrow$ Use syndrome for decoding
\citereference{nielsen_quantum_2010}
\citereferencemanual{NC10}
}
\visible<3>{
\item Superposition $\rightarrow$ multiple solutions to the
decoding problem
(\schlagwort{quantum degeneracy})
\citereference{roffe_decoding_2020}}
\citereferencemanual{RWB$^+$20}}
\end{itemize}
\vspace*{12mm}
\addreferences
{nielsen_quantum_2010}
{roffe_quantum_2019}
{roffe_decoding_2020}
\stopreferences
\addreferencesmanual
{Rof19}{
J. Roffe, ``Quantum error correction: An introductory
guide,'' \emph{Contemporary Physics}, 2019.
}
{NC10}{
M. A. Nielsen and I. L. Chuang, ``Quantum Computation and
Quantum Information'', \emph{Cambridge University Press}, 2010.
}
{RWB$^+$20}{
J. Roffe et al., ``Decoding across the quantum low-density
parity-check code landscape,'' \emph{Physical Review Research}, 2020.
}
\stopreferencesmanual
\end{frame}
\begin{frame}
@@ -387,7 +439,7 @@
% of one another"
\begin{itemize}
\item Stabilizer codes \citereference{nielsen_quantum_2010}
\item Stabilizer codes \citereferencemanual{NC10}
\begin{itemize}
\item Implicitly defined using \schlagwort{stabilizer
generators}
@@ -396,7 +448,7 @@
\end{itemize}
\vspace*{10mm}
\visible<2->{
\item \Acf{css} codes \citereference{nielsen_quantum_2010}
\item \Acf{css} codes \citereferencemanual{NC10}
\begin{itemize}
\item Subset of stabilizer codes
\item Able to correct $\X$ and $\Z$ errors independently
@@ -412,9 +464,12 @@
\vspace*{20mm}
\addreferences
{nielsen_quantum_2010}
\stopreferences
\addreferencesmanual
{NC10}{
M. A. Nielsen and I. L. Chuang, ``Quantum Computation and
Quantum Information'', \emph{Cambridge University Press}, 2010.
}
\stopreferencesmanual
\end{frame}
% TODO: Do I need to show what the syndrome extraction circuitry for
@@ -427,7 +482,7 @@
\begin{itemize}
\item Entangle the state $\ket{\psi}$ with
\schlagwort{ancilla qubits} to perform syndrome
measurements \citereference{nielsen_quantum_2010}
measurements \citereferencemanual{NC10}
\item Example: The 3-qubit repetition code for $\X$ errors
\end{itemize}
@@ -473,9 +528,12 @@
\vspace*{10mm}
\addreferences
{nielsen_quantum_2010}
\stopreferences
\addreferencesmanual
{NC10}{
M. A. Nielsen and I. L. Chuang, ``Quantum Computation and
Quantum Information'', \emph{Cambridge University Press}, 2010.
}
\stopreferencesmanual
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -498,7 +556,7 @@
$\rightarrow$ Need for \schlagwort{fault-tolerant} \acf{qec}
\item In addition to correcting \schlagwort{input errors},
limit spread of \schlagwort{internal errors}
\citereference{derks_designing_2025}
\citereferencemanual{DTB$^+$25}
\end{itemize}
\vspace*{3mm}
@@ -533,17 +591,23 @@
\visible<2->{
\item Modify syndrome extraction circuitry (e.g., multi-qubit
states for each ancilla
\citereference{shor_fault-tolerant_1997})
\citereferencemanual{Sho97})
\item Multiple rounds of syndrome extraction
}
\end{itemize}
\vspace*{15mm}
\addreferences
{shor_fault-tolerant_1997}
{derks_designing_2025}
\stopreferences
\addreferencesmanual
{DTB$^+$25}{
P.- J. H. S. Derks et al., ``Designing fault-tolerant
circuits using detector error models,'' \emph{Quantum}, 2025.
}
{Sho97}{
P. W. Shor, ``Fault-tolerant quantum computation,''
\emph{arXiv:quant-ph/9605011}, 1997.
}
\stopreferencesmanual
\end{frame}
%%%%%%%%%%%%%%%%
@@ -557,7 +621,7 @@
\begin{itemize}
\item \schlagwort{Measurement syndrome matrix} $\bm{\Omega}$ \\
contains error patterns \citereference{derks_designing_2025}
contains error patterns \citereferencemanual{DTB$^+$25}
\item Example: 3-qubit repetition code
\end{itemize}
@@ -810,9 +874,12 @@
\vspace*{8mm}
\addreferences
{derks_designing_2025}
\stopreferences
\addreferencesmanual
{DTB$^+$25}{
P.- J. H. S. Derks et al., ``Designing fault-tolerant
circuits using detector error models,'' \emph{Quantum}, 2025.
}
\stopreferencesmanual
\end{frame}
\begin{frame}[fragile]
@@ -822,7 +889,7 @@
\begin{itemize}
\item \schlagwort{Measurement syndrome matrix} $\bm{\Omega}$ \\
contains error patterns \citereference{derks_designing_2025}
contains error patterns \citereferencemanual{DTB$^+$25}\
\item Example: 3-qubit repetition code
\end{itemize}
@@ -1112,9 +1179,12 @@
\vspace*{4mm}
\addreferences
{derks_designing_2025}
\stopreferences
\addreferencesmanual
{DTB$^+$25}{
P.- J. H. S. Derks et al., ``Designing fault-tolerant
circuits using detector error models,'' \emph{Quantum}, 2025.
}
\stopreferencesmanual
\end{frame}
% TODO: Journal not showing for derks_designing_2025
@@ -1202,15 +1272,18 @@
\item A detector is a parity constraint on a set of
measurement outcomes
\item The \schlagwort{detector error matrix} $\bm{H}$ contains
modified error patterns \citereference{derks_designing_2025}
modified error patterns \citereferencemanual{DTB$^+$25}\
\end{itemize}
}
\vspace*{10mm}
\addreferences
{derks_designing_2025}
\stopreferences
\addreferencesmanual
{DTB$^+$25}{
P.- J. H. S. Derks et al., ``Designing fault-tolerant
circuits using detector error models,'' \emph{Quantum}, 2025.
}
\stopreferencesmanual
\end{frame}
\begin{frame}
@@ -1250,7 +1323,7 @@
\begin{itemize}
\item E.g., for \ac{bb} codes under circuit-level noise
\citereference{gong_toward_2024}
\citereferencemanual{GCR24}
\end{itemize}
\vspace*{-4mm}
@@ -1268,9 +1341,12 @@
\vspace*{5mm}
\addreferences
{gong_toward_2024}
\stopreferences
\addreferencesmanual
{GCR24}{A. Gong, S. Cammerer, and J. M. Renes, ``Toward
Low-latency Iterative Decoding of QLDPC Codes Under
Circuit-Level Noise,'', 2024.
}
\stopreferencesmanual
\end{frame}
\begin{frame}[fragile]
@@ -1299,7 +1375,7 @@
\begin{itemize}
\visible<1->{
\item The \schlagwort{depolarizing channel} considers
\citereference{nielsen_quantum_2010}
\citereferencemanual{NC10}
\begin{itemize}
\item $\X$, $\Y$ or $\Z$ errors on
the data qubits
@@ -1307,7 +1383,7 @@
}
\visible<2->{
\item \schlagwort{Phenomenological noise} considers
\citereference{derks_designing_2025}
\citereferencemanual{DTB$^+$25}
\begin{itemize}
\item $\X$ errors on data qubits before each \\
measurement round
@@ -1316,7 +1392,7 @@
}
\visible<3->{
\item \schlagwort{Circuit-level noise} considers
\citereference{derks_designing_2025}
\citereferencemanual{DTB$^+$25}
\begin{itemize}
\item $\X$, $\Y$ or $\Z$ errors after
state preparation
@@ -1395,10 +1471,16 @@
\vspace*{8mm}
\addreferences
{nielsen_quantum_2010}
{derks_designing_2025}
\stopreferences
\addreferencesmanual
{NC10}{
M. A. Nielsen and I. L. Chuang, ``Quantum Computation and
Quantum Information'', \emph{Cambridge University Press}, 2010.
}
{DTB$^+$25}{
P.- J. H. S. Derks et al., ``Designing fault-tolerant
circuits using detector error models,'' \emph{Quantum}, 2025.
}
\stopreferencesmanual
\end{frame}
\begin{frame}
@@ -1416,7 +1498,7 @@
matrix and a noise model
\visible<2->{
\item Tanner graph of detector error matrix of \ac{bb} code
\citereference{koutsioumpas_automorphism_2025}
\citereferencemanual{KSW$^+$25}
}
\end{itemize}
@@ -1436,20 +1518,32 @@
\begin{itemize}
\item Repeated syndrome measurements lead to
increased decoding complexity
\citereference{gong_toward_2024}
\citereferencemanual{GCR24}
\item Degeneracy and short cycles lead to degraded
performance of \ac{bp}
\citereference{babar_fifteen_2015}
\citereferencemanual{BBA$^+$15}
\end{itemize}
\end{itemize}
}
\vspace*{20mm}
\addreferences
{babar_fifteen_2015}
{gong_toward_2024}
\stopreferences{}
\addreferencesmanual
{KSW$^+$25}{
S. Koutsioumpas et al., ``Automorphism Ensemble Decoding of
Quantum LDPC Codes,'' \emph{arXiv:2503.01738}, 2025.
}
{GCR24}{
A. Gong, S. Cammerer, and J. M. Renes, ``Toward
Low-latency Iterative Decoding of QLDPC Codes Under
Circuit-Level Noise,'' 2024.
}
{BBA$^+$15}{
Z. Babar et al., ``Fifteen Years of
Quantum LDPC Coding and Improved Decoding Strategies,''
\emph{IEEE Access}, 2015.
}
\stopreferencesmanual
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -1469,36 +1563,61 @@
\begin{itemize}
\item Decoding complexity addressed with window-based approaches
\begin{itemize}
\item Parallel decoding \citereference{skoric_parallel_2023}
\item Parallel decoding \citereferencemanual{SBB$^+$23}
\item Sliding windows
\citereference{huang_improved_2023}
\citereference{gong_toward_2024}
\citereferencemanual{HP23}
\citereferencemanual{GCR24}
\end{itemize}
\item Degraded \ac{bp} performance addressed with
modification or extension
\begin{itemize}
\item \Ac{osd} post-processing
\citereference{roffe_decoding_2020}
\item Guided decimation \citereference{gong_toward_2024}
\citereferencemanual{RWB$^+$20}
\item Guided decimation \citereferencemanual{GCR24}
\item Neural approaches
\citereference{kuo_exploiting_2022}
\citereference{miao_quaternary_2025}
\citereferencemanual{KL22}
\citereferencemanual{MSL$^+$25}
\item Ensemble decoding
\citereference{koutsioumpas_automorphism_2025}
\citereferencemanual{KSW$^+$25}
\end{itemize}
\end{itemize}
\vspace*{5mm}
\addreferences
{roffe_decoding_2020}
{kuo_exploiting_2022}
{huang_improved_2023}
{skoric_parallel_2023}
{gong_toward_2024}
{miao_quaternary_2025}
{koutsioumpas_automorphism_2025}
\stopreferences
\addreferencesmanual
{SBB$^+$23}{
L. Skoric et al., ``Parallel window decoding enables scalable
fault tolerant quantum computation,'' \emph{Nature
Communications}, 2023.
}
{HP23}{
S. Huang and S. Puri, ``Improved Noisy Syndrome Decoding of
Quantum LDPC Codes with Sliding Window,'' \emph{arXiv:2311.03307}, 2023.
}
{GCR24}{
A. Gong, S. Cammerer, and J. M. Renes, ``Toward
Low-latency Iterative Decoding of QLDPC Codes Under
Circuit-Level Noise,'' 2024.
}
{RWB$^+$20}{
J. Roffe, et al., ``Decoding across the quantum low-density
parity-check code landscape,'' \emph{Physical Review}, 2020.
}
{KL22}{
K.- Y. Kuo and C.- Y. Lai, ``Exploiting degeneracy in belief
propagation decoding of quantum codes,'' \emph{npj Quantum
Information}, 2022.
}
{MSL$^+$25}{
S. Miao et al., ``Quaternary Neural Belief Propagation
Decoding of Quantum LDPC Codes with Overcomplete
Check Matrices'', \emph{IEEE Access}, 2025.
}
{KSW$^+$25}{
S. Koutsioumpas et al., ``Automorphism Ensemble Decoding of
Quantum LDPC Codes,'' \emph{arXiv:2503.01738}, 2025.
}
\stopreferencesmanual
\end{frame}
% TODO: Understand update equation for s_2'
@@ -1508,7 +1627,7 @@
\vspace*{-15mm}
\begin{itemize}
\item Approach taken in \citereference{gong_toward_2024}
\item Approach taken in \citereferencemanual{GCR24}
resembles \acf{scldpc} code
\item They try \ac{bp} + \ac{osd} and a modification of
\ac{bp} with guided decimation
@@ -1602,9 +1721,13 @@
\vspace*{8mm}
\addreferences
{gong_toward_2024}
\stopreferences
\addreferencesmanual
{GCR24}{
A. Gong, S. Cammerer, and J. M. Renes, ``Toward
Low-latency Iterative Decoding of QLDPC Codes Under
Circuit-Level Noise,'' 2024.
}
\stopreferencesmanual
\end{frame}
%%%%%%%%%%%%%%%%
@@ -1635,12 +1758,12 @@
\item Future directions
\begin{itemize}
\item Adapt modified guided decimation decoder from
\citereference{gong_toward_2024} to pass soft
\citereferencemanual{GCR24} to pass soft
information
\item Investigate performance of different
modifications of \ac{bp} for "inner decoder"
(e.g., quaternary neural \ac{bp}
\citereference{miao_quaternary_2025})
\citereferencemanual{MSL$^+$25})
\item \ldots
\end{itemize}
}
@@ -1648,10 +1771,18 @@
\vspace*{10mm}
\addreferences
{gong_toward_2024}
{miao_quaternary_2025}
\stopreferences
\addreferencesmanual
{GCR24}{
A. Gong, S. Cammerer, and J. M. Renes, ``Toward
Low-latency Iterative Decoding of QLDPC Codes Under
Circuit-Level Noise,'' 2024.
}
{MSL$^+$25}{
S. Miao et al., ``Quaternary Neural Belief Propagation
Decoding of Quantum LDPC Codes with Overcomplete
Check Matrices'', \emph{IEEE Access}, 2025.
}
\stopreferencesmanual
\end{frame}
% TODO: Organize sections properly
@@ -1669,9 +1800,9 @@
\begin{itemize}
\item \red{For circuit-level noise, often, all error probabilities
are set to the same value for simulations
\citereference{fowler_high-threshold_2009}}
\citereferencemanual{FSG09}}
\item \red{There are other approaches (e.g., SDMB noise, SI noise)
\citereference{derks_designing_2025}}
\citereferencemanual{DTB$^+$25}}
\end{itemize}
\vspace*{10mm}
@@ -1683,10 +1814,17 @@
\vspace*{15mm}
\addreferences
{derks_designing_2025}
{fowler_high-threshold_2009}
\stopreferences
\addreferencesmanual
{FSG09}{
A. G. Fowler, A. M. Stephens, and P. Groszkowski,
``High-threshold universal quantum computation on the surface
code,'' \emph{Physical Review}, 2009.
}
{DTB$^+$25}{
P.- J. H. S. Derks et al., ``Designing fault-tolerant
circuits using detector error models,'' \emph{Quantum}, 2025.
}
\stopreferencesmanual
\end{frame}
%%%%%%%%%%%%%%%%
@@ -1704,7 +1842,7 @@
\item \red{Memory or stability experiment}
\item \red{Figure of merit: Footprint plot}
\item \red{Comparison with BB code also simulated by
\citereference{gong_toward_2024}}
\citereferencemanual{GCR24}}
\item \red{Comparison with surface code}
\end{itemize}
\end{minipage}%
@@ -1742,7 +1880,7 @@
\vspace*{5mm}
\caption{Schematic workflow of surface code quantum
computation \citereference{zhang_classical_2023}.}
computation \citereferencemanual{ZZC$^+$23}.}
\end{subfigure}%
\begin{subfigure}[t]{0.5\textwidth}
\centering
@@ -1791,16 +1929,24 @@
\vspace*{5mm}
\caption{Block diagram of QEC using stabilizer codes
\citereference{miao_quaternary_2025}.}
\citereferencemanual{MSL$^+$25}.}
\end{subfigure}
\end{figure}
% \vspace*{-2mm}
\addreferences
{zhang_classical_2023}
{miao_quaternary_2025}
\stopreferences
\addreferencesmanual
{ZZC$^+$23}{
F. Zhang et al., ``A Classical Architecture for Digital
Quantum Computers,'' \emph{ACM Transactions on Quantum
Computing}, 2023.
}
{MSL$^+$25}{
S. Miao et al., ``Quaternary Neural Belief Propagation
Decoding of Quantum LDPC Codes with Overcomplete
Check Matrices'', \emph{IEEE Access}, 2025.
}
\stopreferencesmanual
\end{frame}
\begin{frame}
@@ -1812,9 +1958,13 @@
\vspace*{25mm}
\addreferences
{gong_toward_2024}
\stopreferences
\addreferencesmanual
{GCR24}{
A. Gong, S. Cammerer, and J. M. Renes, ``Toward
Low-latency Iterative Decoding of QLDPC Codes Under
Circuit-Level Noise,'' 2024.
}
\stopreferencesmanual
\end{frame}
% TODO: Is this really necessary?