<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Zizhu Wang | LIP6 - QI Team</title><link>https://qi.lip6.fr/people/zizhu-wang/</link><atom:link href="https://qi.lip6.fr/people/zizhu-wang/index.xml" rel="self" type="application/rss+xml"/><description>Zizhu Wang</description><generator>Hugo Blox Builder (https://hugoblox.com)</generator><language>en-us</language><copyright>© 2022 LIP6 Quantum Information Team</copyright><lastBuildDate>Fri, 20 Feb 2026 00:00:00 +0000</lastBuildDate><image><url>https://qi.lip6.fr/media/icon_hu_bdeccd9e706ea09d.png</url><title>Zizhu Wang</title><link>https://qi.lip6.fr/people/zizhu-wang/</link></image><item><title>Zizhu Wang - Solving quantum problems with variational optimization with deep generative networks</title><link>https://qi.lip6.fr/seminars/2026-02-20-zizhu-wang/</link><pubDate>Fri, 20 Feb 2026 00:00:00 +0000</pubDate><guid>https://qi.lip6.fr/seminars/2026-02-20-zizhu-wang/</guid><description>&lt;h2 id="solving-quantum-problems-with-variational-optimization-with-deep-generative-networks"&gt;Solving quantum problems with variational optimization with deep generative networks&lt;/h2&gt;
&lt;p&gt;This seminar, given by Zizhu Wang, will happend on 20 February 2026, at 13:0.
It will take place in Room 24-25/405.&lt;/p&gt;
&lt;p&gt;Find a map of the campus &lt;a href="https://sciences.sorbonne-universite.fr/vie-de-campus-sciences/accueil-vie-pratique/plan-du-campus" target="_blank" rel="noopener"&gt;here&lt;/a&gt;.&lt;/p&gt;
&lt;h2 id="abstract"&gt;Abstract&lt;/h2&gt;
&lt;p&gt;The Variational Generative Optimization Network (VGON) provides a model-agnostic variational optimization framework that utilizes deep generative models to solve difficult quantum optimization problems. Unlike methods that directly tune parameters, VGON learns a mapping of probability transport from a latent space to the solution space. This enables the parallel and efficient generation of a large number of high-quality, highly diverse approximate optimal solutions on classical hardware, such as GPUs.  We apply VGON to four quantum tasks: (1) Identifying optimal high-dimensional quantum states for entanglement detection; (2) Finding the ground states of one-dimensional many-body spin models via variational quantum circuits, while avoiding the barren plateau problem; (3) Generating an orthogonal basis for the degenerate ground-state space of many-body Hamiltonians—specifically, diverse degenerate ground states—in a single training run; and (4) Generating robust pulse sequences for superconducting quantum gates.&lt;/p&gt;</description></item></channel></rss>