<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2016000300251</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Remarks on the (1+1)-Matrix-Branes, qubit theory and non-compact Hopf maps]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Sinaloa Facultad de Ciencias Físico-Matemáticas ]]></institution>
<addr-line><![CDATA[Culiacán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>62</volume>
<numero>3</numero>
<fpage>251</fpage>
<lpage>256</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2016000300251&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2016000300251&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2016000300251&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract We discuss different aspects of a possible link between the (1+1)-matrix-brane system with qubit theory and non-compact Hopf maps. In these scenarios, the (2+2)-signature plays an important role. We argue that such links may shed some light on the (2+2)-dimensional sector of a (2+10)-dimensional target background.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[P-branes]]></kwd>
<kwd lng="en"><![CDATA[qubit theory]]></kwd>
<kwd lng="en"><![CDATA[non-compact Hopf maps]]></kwd>
<kwd lng="en"><![CDATA[(2+2)-dimensions]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mod. Phys. Lett. A]]></source>
<year>2007</year>
<volume>22</volume>
<page-range>2453</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[From the quatl to the ketzal of a generalized string theory]]></source>
<year></year>
<edition>5</edition>
<conf-name><![CDATA[ Mexican Workshop of Conference]]></conf-name>
<conf-loc> </conf-loc>
<page-range>525-8</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Borsten]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Dahanayake]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Duff]]></surname>
<given-names><![CDATA[M.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ebrahim]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Rubens]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Rept.]]></source>
<year>2009</year>
<volume>471</volume>
<page-range>113</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hasebe]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Math. Phys.]]></source>
<year>2010</year>
<volume>51</volume>
<page-range>053524</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Atiyah]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ward]]></surname>
<given-names><![CDATA[R.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Comm. Math. Phys.]]></source>
<year>1977</year>
<volume>55</volume>
<page-range>117</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ward]]></surname>
<given-names><![CDATA[R.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phil. Trans. R. Soc. London A]]></source>
<year>1985</year>
<volume>315</volume>
<page-range>451</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[M.A. De]]></given-names>
</name>
<name>
<surname><![CDATA[Cima]]></surname>
<given-names><![CDATA[O.M. Del]]></given-names>
</name>
<name>
<surname><![CDATA[Colatto]]></surname>
<given-names><![CDATA[L.P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Lett. B]]></source>
<year>1996</year>
<volume>370</volume>
<page-range>59</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[M.A. De]]></given-names>
</name>
<name>
<surname><![CDATA[Cima]]></surname>
<given-names><![CDATA[O.M. Del]]></given-names>
</name>
</person-group>
<source><![CDATA[Int. J. Mod. Phys. A]]></source>
<year>1996</year>
<volume>11</volume>
<page-range>1367</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García-Compean]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[N = 2 String geometry and the heavenly equations]]></source>
<year>2002</year>
<conf-name><![CDATA[ Proceedings of Conference on Topics in Mathematical Physics, General Relativity, and Cosmology on the Occasion of the 75th Birthday of Jerzy F. Plebanski]]></conf-name>
<conf-date>2002</conf-date>
<conf-loc>Mexico, Mexico </conf-loc>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ooguri]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Vafa]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Phys. B]]></source>
<year>1991</year>
<volume>367</volume>
<page-range>83</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ooguri]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Vafa]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Phys. B]]></source>
<year>1991</year>
<volume>361</volume>
<page-range>469</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kutasov]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinec]]></surname>
<given-names><![CDATA[E.J.]]></given-names>
</name>
<name>
<surname><![CDATA[O&#8217;Loughlin]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Phys. B]]></source>
<year>1996</year>
<volume>477</volume>
<page-range>675</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martinec]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Matrix Theory and N=(2,1) Strings]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kutasov]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinec]]></surname>
<given-names><![CDATA[E.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Phys. B]]></source>
<year>1996</year>
<volume>477</volume>
<page-range>652</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kutasov]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinec]]></surname>
<given-names><![CDATA[E.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Class. Quant. Grav]]></source>
<year>1997</year>
<volume>14</volume>
<page-range>2483</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Freund]]></surname>
<given-names><![CDATA[P.G.O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Introduction to Supersymmetry]]></source>
<year>1986</year>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ketov]]></surname>
<given-names><![CDATA[S.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Nishino]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Gates]]></surname>
<given-names><![CDATA[S.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Lett. B]]></source>
<year>1993</year>
<volume>307</volume>
<page-range>323</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nuovo Cim. B]]></source>
<year>2005</year>
<volume>120</volume>
<page-range>135</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[M.B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Phys. B]]></source>
<year>1987</year>
<volume>293</volume>
<page-range>593</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Townsend]]></surname>
<given-names><![CDATA[P.K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Lett. B]]></source>
<year>1996</year>
<volume>373</volume>
<page-range>68</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duff]]></surname>
<given-names><![CDATA[M.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Lett. B]]></source>
<year>2006</year>
<volume>641</volume>
<page-range>533</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Artzy]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Linear Geometry]]></source>
<year>1965</year>
<publisher-name><![CDATA[Addison-Wesley]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Harvey]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spinors and Calibrations]]></source>
<year>1990</year>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Björner]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vergnas]]></surname>
<given-names><![CDATA[M. Las]]></given-names>
</name>
<name>
<surname><![CDATA[Sturmfels]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[White]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ziegler]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Oriented Matroids]]></source>
<year>1993</year>
<publisher-loc><![CDATA[Cambridge ]]></publisher-loc>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oxley]]></surname>
<given-names><![CDATA[J. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Matroid Theory]]></source>
<year>1992</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Adv. Theor. Math. Phys]]></source>
<year>2004</year>
<volume>8</volume>
<page-range>177</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Adv. Theor. Math. Phys]]></source>
<year>2006</year>
<volume>10</volume>
<page-range>747</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Math. Phys]]></source>
<year>2000</year>
<volume>41</volume>
<page-range>7997</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Math. Phys]]></source>
<year>2004</year>
<volume>45</volume>
<page-range>285</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Int. J. Mod. Phys. A]]></source>
<year>2003</year>
<volume>18</volume>
<page-range>5261</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Phys. B]]></source>
<year>2014</year>
<volume>883</volume>
<page-range>350</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guha]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Int. J. Geom. Meth. Mod. Phys]]></source>
<year>2004</year>
<volume>1</volume>
<page-range>795</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Witten]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Rev. D]]></source>
<year>1991</year>
<volume>44</volume>
<page-range>314</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Lett. A]]></source>
<year>2001</year>
<volume>288</volume>
<page-range>154</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bars]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Rev. D]]></source>
<year>2001</year>
<volume>64</volume>
<page-range>126001</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duff]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Int. Jour. Mod. Phys. A]]></source>
<year>1996</year>
<volume>11</volume>
<page-range>5623</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Conway]]></surname>
<given-names><![CDATA[J. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Functions of One Complex Variable I]]></source>
<year></year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Levinson]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Redheffer]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Functions Complex Variables]]></source>
<year>1970</year>
<publisher-name><![CDATA[Holden Day]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Antonuccio]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Semi-Complex Analysis &amp; Mathematical Physics]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mod. Phys. Lett. A]]></source>
<year>2011</year>
<volume>26</volume>
<page-range>1631</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[León]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Braz. J. Phys]]></source>
<year>2010</year>
<volume>40</volume>
<page-range>383</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Adams]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ann. of Math]]></source>
<year>1962</year>
<volume>75</volume>
<page-range>603</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hull]]></surname>
<given-names><![CDATA[C.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[JHEP]]></source>
<year>1998</year>
<volume>9811</volume>
<page-range>017</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Antonuccio]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Adv. Appl. Cliff. Alg]]></source>
<year>2015</year>
<volume>25</volume>
<page-range>13</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hasebe]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nucl. Phys. B]]></source>
<year>2012</year>
<volume>865</volume>
<page-range>148</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
