{"id":2304,"date":"2026-03-09T22:58:44","date_gmt":"2026-03-09T22:58:44","guid":{"rendered":"https:\/\/blogschapman.wpenginepowered.com\/gci\/?p=2304"},"modified":"2026-08-07T22:59:03","modified_gmt":"2026-08-07T22:59:03","slug":"sayani-ghosh-ph-d-the-quantum-hammersley-clifford-theorem","status":"publish","type":"post","link":"https:\/\/blogs.chapman.edu\/gci\/2026\/03\/09\/sayani-ghosh-ph-d-the-quantum-hammersley-clifford-theorem\/","title":{"rendered":"Sayani Ghosh, Ph.D. &#8211; The Quantum Hammersley Clifford Theorem"},"content":{"rendered":"<figure id=\"attachment_2335\" aria-describedby=\"caption-attachment-2335\" style=\"width: 2560px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2335 size-full\" src=\"https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/03\/IMG_0668-scaled.jpeg\" alt=\"\" width=\"2560\" height=\"1920\" srcset=\"https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/03\/IMG_0668-scaled.jpeg 2560w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/03\/IMG_0668-300x225.jpeg 300w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/03\/IMG_0668-1024x768.jpeg 1024w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/03\/IMG_0668-768x576.jpeg 768w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/03\/IMG_0668-1536x1152.jpeg 1536w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/03\/IMG_0668-2048x1536.jpeg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption id=\"caption-attachment-2335\" class=\"wp-caption-text\">Sayani Ghosh, Ph.D. presents her research at the GCI Postdoc Showcase in March 2026.<\/figcaption><\/figure>\n<p><span data-olk-copy-source=\"MessageBody\">At our 2026 GCI Postdoc Showcase, Postdoctoral Fellow Sayani Ghosh presented a poster about her research on <em><strong>exploring quantum Markov networks<\/strong><\/em>. To learn more about her research, reach out to Dr. Ghosh at <a href=\"mailto:saghosh@chapman.edu\">saghosh@chapman.edu<\/a>.<\/span><\/p>\n<p><strong>Abstract:<\/strong><\/p>\n<p>My research bridges the fields of mathematics and theoretical physics. To be specific, I apply graph-theory-based tools to physical scenarios to get meaningful insight about them. This work focuses on the part of my PhD dissertation where I computed effective rates of transition in astrophysical Isomers that are found in supernova explosions and binary star mergers. I did this using graph theory-based theorems that were developed as part of my Ph.D. research.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2844 aligncenter\" src=\"https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/08\/Ghosh_Poster-scaled.png\" alt=\"\" width=\"2560\" height=\"1950\" srcset=\"https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/08\/Ghosh_Poster-scaled.png 2560w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/08\/Ghosh_Poster-300x229.png 300w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/08\/Ghosh_Poster-1024x780.png 1024w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/08\/Ghosh_Poster-768x585.png 768w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/08\/Ghosh_Poster-1536x1170.png 1536w, https:\/\/blogs.chapman.edu\/gci\/wp-content\/uploads\/sites\/70\/2026\/08\/Ghosh_Poster-2048x1560.png 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Quantum Hammersley Clifford Theorem &#8211; GCI Postdoc Showcase &#8211; Spring 2026<\/p>\n","protected":false},"author":5294,"featured_media":2842,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"custom_author_name":"","chapman_pin_hero_slider":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-2304","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gci-fellows"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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