<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-17T14:57:24Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:10256/15492" metadataPrefix="marc">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:10256/15492</identifier><datestamp>2024-06-18T13:53:34Z</datestamp><setSpec>com_2072_452955</setSpec><setSpec>com_2072_2054</setSpec><setSpec>col_2072_453073</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Carbó-Dorca, Ramon</subfield>
      <subfield code="e">author</subfield>
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      <subfield code="a">Besalú i Llorà, Emili</subfield>
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      <subfield code="c">info:eu-repo/date/embargoEnd/2026-01-01</subfield>
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      <subfield code="c">2010-10-01</subfield>
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      <subfield code="a">The so-called holographic electron density theorem (HEDT) is analyzed from an algebraic perspective, and a brief analytical point of view is also given. The connection of the HEDT with quantum similarity measures (QSM) over electronic density functions (DF) is studied using GTO functions, atomic ASA DF, and promolecular ASA DF. Restricted integration of QSM over a box of finite side length is discussed for all this DF. This work emphasizes the geometric aspects of HEDT, but for the sake of completeness, some analytical insight based on a general Taylor series expansion is also given at the end</subfield>
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      <subfield code="a">Contract/grant sponsor: Spanish Ministerio de Educación y Ciencia;&#xd;
contract/grant number: CTQ2009-09370/BQU</subfield>
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      <subfield code="a">http://hdl.handle.net/10256/15492</subfield>
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      <subfield code="a">Química quàntica</subfield>
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      <subfield code="a">Quantum chemistry</subfield>
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      <subfield code="a">Quàntums, Teoria dels</subfield>
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      <subfield code="a">Quantum theory</subfield>
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      <subfield code="a">Electrons -- Distribució</subfield>
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      <subfield code="a">Electron distribution</subfield>
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      <subfield code="a">Communications on quantum similarity (2): A geometric discussion on holographic electron density theorem and confined quantum similarity measures</subfield>
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