1.0IYQ 2025https://quantum2025.org/es/Alexandra DeCastrohttps://quantum2025.org/es/author/alexandra_decastro/rich600338<blockquote class="wp-embedded-content" data-secret="CglnI6eCOG"><a href="https://quantum2025.org/es/iyq-event/qsun-saquti-nithecs-seminar/">QSUN, SAQuTI & NITheCS Seminar</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://quantum2025.org/es/iyq-event/qsun-saquti-nithecs-seminar/embed/#?secret=CglnI6eCOG" width="600" height="338" title="«QSUN, SAQuTI & NITheCS Seminar» — IYQ 2025" data-secret="CglnI6eCOG" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://quantum2025.org/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://quantum2025.org/wp-content/uploads/2024/12/tile-element-placeholder.jpg19201080With resonances treated as eigenstates of a non-Hermitian quantum Hamiltonian, the typically challenging task of localising its complex energy eigenvalues is proposed to be replaced by (a simpler task of) localising the real quantities called singular values. Under suitable constraints (including the tridiagonality of Hamiltonian) the singular values are specified as poles of a Hermitized […]