<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[Azimuth]]></provider_name><provider_url><![CDATA[https://johncarlosbaez.wordpress.com]]></provider_url><author_name><![CDATA[John Baez]]></author_name><author_url><![CDATA[https://johncarlosbaez.wordpress.com/author/johncarlosbaez/]]></author_url><title><![CDATA[Network Theory (Part&nbsp;4)]]></title><type><![CDATA[link]]></type><html><![CDATA[The master equation of a stochastic Petri net.  How stochastic Petri nets are related to quantum mechanics.]]></html><thumbnail_url><![CDATA[https://i1.wp.com/math.ucr.edu/home/baez/networks/chemistryNetBasicA.png?fit=440%2C330]]></thumbnail_url><thumbnail_height><![CDATA[150]]></thumbnail_height><thumbnail_width><![CDATA[440]]></thumbnail_width></oembed>