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authorJaron Kent-Dobias <jaron@kent-dobias.com>2022-07-11 17:47:26 +0200
committerJaron Kent-Dobias <jaron@kent-dobias.com>2022-07-11 17:47:26 +0200
commit1cf4f8a367c55b5fef42f49af5538c7812a92920 (patch)
tree34ec55ab60ceefc67eba5b1f225c9bf7a22988d1
parent3862267129d8b61224161eb3d163b83e1833cf87 (diff)
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Lots of figure work.
-rw-r--r--figs/24_complexity.pdfbin25809 -> 63572 bytes
-rw-r--r--figs/24_opt_d(x).pdfbin0 -> 36864 bytes
-rw-r--r--figs/24_opt_q(x).pdfbin0 -> 37694 bytes
-rw-r--r--figs/24_opt_r(x).pdfbin0 -> 37311 bytes
-rw-r--r--figs/24_opt_xMax.pdfbin0 -> 41041 bytes
-rw-r--r--figs/24_phases.pdfbin0 -> 57314 bytes
-rw-r--r--figs/316_complexity.pdfbin35950 -> 34918 bytes
-rw-r--r--frsb_kac-rice.bib18
-rw-r--r--frsb_kac-rice.tex44
9 files changed, 50 insertions, 12 deletions
diff --git a/figs/24_complexity.pdf b/figs/24_complexity.pdf
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diff --git a/figs/316_complexity.pdf b/figs/316_complexity.pdf
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diff --git a/frsb_kac-rice.bib b/frsb_kac-rice.bib
index 2c12f3b..e09dc8a 100644
--- a/frsb_kac-rice.bib
+++ b/frsb_kac-rice.bib
@@ -147,6 +147,7 @@
month = {4},
number = {1},
volume = {5},
+ pages = {3725},
url = {https://doi.org/10.1038%2Fncomms4725},
doi = {10.1038/ncomms4725}
}
@@ -286,8 +287,7 @@
date = {2020-09-24T04:22:42Z},
eprint = {2009.11481v1},
eprintclass = {cond-mat.stat-mech},
- eprinttype = {arxiv},
- urldate = {2022-07-08T16:19:15.304072Z}
+ eprinttype = {arxiv}
}
@article{ElAlaoui_2021_Optimization,
@@ -580,6 +580,20 @@ stochastic localization},
doi = {10.1103/physrevx.9.011003}
}
+@article{Ros_2019_Complexity,
+ author = {Ros, V. and Biroli, G. and Cammarota, C.},
+ title = {Complexity of energy barriers in mean-field glassy systems},
+ journal = {EPL (Europhysics Letters)},
+ publisher = {IOP Publishing},
+ year = {2019},
+ month = {5},
+ number = {2},
+ volume = {126},
+ pages = {20003},
+ url = {https://doi.org/10.1209%2F0295-5075%2F126%2F20003},
+ doi = {10.1209/0295-5075/126/20003}
+}
+
@article{Seguin_2016_Experimental,
author = {Seguin, A. and Dauchot, O.},
title = {Experimental Evidence of the {Gardner} Phase in a Granular Glass},
diff --git a/frsb_kac-rice.tex b/frsb_kac-rice.tex
index 130b7e9..2e0b971 100644
--- a/frsb_kac-rice.tex
+++ b/frsb_kac-rice.tex
@@ -664,7 +664,7 @@ is given by a Parisi matrix with parameters $x_1,\ldots,x_k$ and
$q_1,\ldots,q_k$, then the parameters $\hat\beta$, $r_d$, $d_d$, $\tilde
x_1,\ldots,\tilde x_{k-1}$, and $\tilde c_1,\ldots,\tilde c_{k-1}$ for the
complexity in the ground state are
-\begin{align}
+\begin{align}\label{eq:equilibrium.complexity.map}
\hat\beta=\lim_{\beta\to\infty}\beta x_k
&&
\tilde x_i=\lim_{\beta\to\infty}\frac{x_i}{x_k}
@@ -846,6 +846,22 @@ that this is the line of stability for the replica symmetric saddle.
\section{General solution: examples}
\label{sec:examples}
+Though we have only written down an easily computable complexity along a
+specific (and often uninteresting) line in energy and stability, this
+computable (supersymmetric) solution gives a numeric foothold for computing the
+complexity in the rest of that space. First,
+\eqref{eq:ground.state.free.energy.cont} is \emph{maximized} with respect
+to its parameters, since the equilibrium solution is equivalent to a
+variational problem. Second, the mapping \eqref{eq:equilibrium.complexity.map}
+is used to find the corresponding Kac--Rice saddle parameters in the ground
+state. With these parameters in hand, small steps are then made in energy $E$
+or stability $\mu$, after which known values are used as the initial condition
+for a saddle-finding problem. In this section, we use this basic numeric idea
+to map out the complexity for two representative examples: a model with a
+$2RSB$ equilibrium ground state and therefore $1RSB$ complexity in its
+vicinity, and a model with a $FRSB$ equilibrium ground state, and therefore
+$FRSB$ complexity as well.
+
\subsection{1RSB complexity}
It is known that by choosing a covariance $f$ as the sum of polynomials with
@@ -1002,17 +1018,22 @@ the phase boundary where $q_1$ goes to one.
\begin{figure}
\centering
- \includegraphics{figs/24_func.pdf}
+ \includegraphics{figs/24_phases.pdf}
+ \caption{
+ } \label{fig:frsb.phases}
+\end{figure}
+
+\begin{figure}
+ \raggedright
+ \hspace{2em}\includegraphics{figs/24_opt_q(x).pdf}
+ \hspace{1em}
+ \includegraphics{figs/24_opt_xMax.pdf}
+ \\\vspace{1em}
+ \includegraphics{figs/24_opt_r(x).pdf}
\hspace{1em}
- \includegraphics{figs/24_qmax.pdf}
+ \includegraphics{figs/24_opt_d(x).pdf}
\caption{
- \textbf{Left:} The spectrum $\chi$ of the replica matrix in the complexity
- of dominant saddles for the $2+4$ model at several energies.
- \textbf{Right:} The cutoff $q_{\mathrm{max}}$ for the nonlinear part of the
- spectrum as a function of energy $E$ for both dominant saddles and marginal
- minima. The colored vertical lines show the energies that correspond to the
- curves on the left.
} \label{fig:24.func}
\end{figure}
@@ -1031,7 +1052,7 @@ the phase boundary where $q_1$ goes to one.
fixed energy $E$. Solid lines show the result of a FRSB ansatz and dashed
lines that of a RS ansatz. All paired parameters coincide at the ground
state energy, as expected.
- } \label{fig:2rsb.comparison}
+ } \label{fig:frsb.comparison}
\end{figure}
@@ -1246,6 +1267,9 @@ extracted in all detail.
A first and very important application of the method here is to perform the calculation for high dimensional spheres, where it would give us
a clear understanding of what happens in a low-temperature realistic jamming dynamics \cite{Maimbourg_2016_Solution}.
+\paragraph{Acknowledgements}
+J K-D and J K would like to thank Valentina Ros for helpful discussions.
+
\paragraph{Funding information}
J K-D and J K are supported by the Simons Foundation Grant No. 454943.