<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=gb2312"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:宋体;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:等线;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"等线 Light";
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"\@宋体";
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"\@等线";
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"\@等线 Light";}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
text-indent:10.0pt;
line-height:16.0pt;
mso-line-height-rule:exactly;
font-size:10.5pt;
font-family:等线;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p
{mso-style-priority:99;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:宋体;}
p.msonormal0, li.msonormal0, div.msonormal0
{mso-style-name:msonormal;
mso-style-priority:99;
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:宋体;}
span.EmailStyle19
{mso-style-type:personal;
font-family:等线;
color:windowtext;}
span.EmailStyle20
{mso-style-type:personal-reply;
font-family:等线;
color:black;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link="#0563C1" vlink="#954F72" style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";color:black'>Dear Krassimir,<o:p></o:p></span></p><p class=MsoNormal style='margin-top:6.0pt;mso-para-margin-top:.5gd;text-indent:27.0pt;line-height:17.0pt;mso-line-height-rule:exactly'><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";color:black'>Very sorry for my late reply.<o:p></o:p></span></p><p class=MsoNormal style='margin-top:12.0pt;mso-para-margin-top:1.0gd;text-indent:27.0pt;line-height:17.0pt;mso-line-height-rule:exactly'><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";color:black'>1. Yes, your statement "<i>The Nobel Prize is given to <b>researchers</b> but not to the Black hole.</i>" is more precise than my "<i>This year's Nobel Prize in physics goes to black hole <b>research</b></i>".<o:p></o:p></span></p><p class=MsoNormal style='margin-top:12.0pt;mso-para-margin-top:1.0gd;text-indent:27.0pt;line-height:17.0pt;mso-line-height-rule:exactly'><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";color:black'>2. "<i>Without observer there is no black hole entropy, there is no information</i>." Inadvertently, you have raised a quantum mechanical question of information. If we can remember, Einstein and Bohr have a long debate that has an essential impact on quantum mechanics. That is "<i>Does the moon exist when no one sees it?</i>" If there isn’t any human observer, does "black hole entropy or information" exist? I don't know.<o:p></o:p></span></p><p class=MsoNormal style='margin-top:12.0pt;mso-para-margin-top:1.0gd;text-indent:27.0pt;line-height:17.0pt;mso-line-height-rule:exactly'><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";color:black'>3. "Comet A can transmits <b>information</b> to comet B", this <b>information</b> about the behavior of the two comets greatly enriches our understanding of astrophysics. Here, the first information is physical and the second is human. Therefore, in my immature view, your "<i>Consciousness is needed to reflect reality and to assume some reflections as information</i>." is a human informatics problem, while the black hole information is physical.<o:p></o:p></span></p><p class=MsoNormal style='margin-top:12.0pt;mso-para-margin-top:1.0gd;text-indent:27.0pt;line-height:17.0pt;mso-line-height-rule:exactly'><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";color:black'>Karl's prediction is a great encouragement to us and will come true soon, let's be ready to accept the prize next year or later.<o:p></o:p></span></p><p class=MsoNormal style='margin-top:12.0pt;mso-para-margin-top:1.0gd;text-indent:0cm;line-height:17.0pt;mso-line-height-rule:exactly'><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";color:black'>Best wishes,<o:p></o:p></span></p><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:12.0pt;font-family:"Courier New";color:black'>Xueshan<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:black'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='text-indent:0cm;line-height:normal'><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> fis-bounces@listas.unizar.es <fis-bounces@listas.unizar.es> <b>On Behalf Of </b>Krassimir Markov<br><b>Sent:</b> Tuesday, October 6, 2020 10:18 PM<br><b>To:</b> yxs@pku.edu.cn; FIS Group <fis@listas.unizar.es><br><b>Subject:</b> Re: [Fis] black hole and information<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:13.5pt;font-family:"Calibri",sans-serif;color:black'>Dear Xueshan,</span><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:13.5pt;font-family:"Calibri",sans-serif;color:black'>I have only one remark.<br>The Nobel Prize is given to researchers but not to the Black hole and not to any other object in the Cosmos!</span><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm'><span lang=EN-US style='font-size:13.5pt;font-family:"Calibri",sans-serif;color:black'><br>Without observer there is no Black hole entropy, there is no information.<o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:13.5pt;font-family:"Calibri",sans-serif;color:black'>So, the consciousness is needed to reflect reality and to assume some reflections as information.</span><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:13.5pt;font-family:"Calibri",sans-serif;color:black'>Friendly greetings</span><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:13.5pt;font-family:"Calibri",sans-serif;color:black'>Krassimir</span><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:14.0pt;font-family:"Calibri",sans-serif;color:black'> <o:p></o:p></span></p></div><div><div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> <o:p></o:p></span></p></div><div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal;background:whitesmoke'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> </span><span lang=EN-US><a href="mailto:yxs@pku.edu.cn" title="yxs@pku.edu.cn"><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif'>Xueshan Yan</span></a></span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal;background:whitesmoke'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Sent:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> Tuesday, October 06, 2020 3:37 PM<o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal;background:whitesmoke'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>To:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> </span><span lang=EN-US><a href="mailto:fis@listas.unizar.es" title="fis@listas.unizar.es"><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif'>FIS Group</span></a></span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal;background:whitesmoke'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Subject:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'> [Fis] black hole and information<o:p></o:p></span></p></div></div></div><div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:12.0pt;font-family:"Calibri",sans-serif;color:black'> <o:p></o:p></span></p></div></div><div><p class=MsoNormal style='text-indent:0cm'><span lang=EN-US style='font-size:12.0pt;color:black'>Dear colleagues</span><span style='font-size:12.0pt;color:black'>，<span lang=EN-US><o:p></o:p></span></span></p><p class=MsoNormal style='text-indent:0cm'><span lang=EN-US style='color:black'> </span><span lang=EN-US style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='text-indent:0cm'><span lang=EN-US style='font-size:12.0pt;color:black'>This year's Nobel Prize in physics goes to black hole research today. When the curvature of space-time of a celestial body is so large that even light cannot escape from its event horizon, we call it a black hole. I. Once a black hole is formed, except for mass, angular momentum, and electric charge, all the previous material properties as objects disappear; II. The horizon area of the black hole is equal to its entropy (entropy equals negative information). These two issues form a close relationship between the research of black hole and information. The follow-up effect of this year's Nobel Prize in physics may lead to further thinking on the information in the future by astrophysicists, and lay a reverie foundation for the informational interpretation of matter several years later.<o:p></o:p></span></p><p class=MsoNormal style='text-indent:0cm'><span lang=EN-US style='color:black'> </span><span lang=EN-US style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal style='text-indent:0cm'><span lang=EN-US style='font-size:12.0pt;color:black'>Best wishes and health,<o:p></o:p></span></p><p class=MsoNormal style='text-indent:0cm'><span lang=EN-US style='font-size:12.0pt;color:black'>Xueshan<o:p></o:p></span></p><div class=MsoNormal align=center style='text-align:center;text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:12.0pt;font-family:"Calibri",sans-serif;color:black'><hr size=4 width="100%" align=center></span></div><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:12.0pt;font-family:"Calibri",sans-serif;color:black'>_______________________________________________<br>Fis mailing list<br></span><span lang=EN-US><a href="mailto:Fis@listas.unizar.es"><span style='font-size:12.0pt;font-family:"Calibri",sans-serif'>Fis@listas.unizar.es</span></a></span><span lang=EN-US style='font-size:12.0pt;font-family:"Calibri",sans-serif;color:black'><br></span><span lang=EN-US><a href="http://listas.unizar.es/cgi-bin/mailman/listinfo/fis"><span style='font-size:12.0pt;font-family:"Calibri",sans-serif'>http://listas.unizar.es/cgi-bin/mailman/listinfo/fis</span></a></span><span lang=EN-US style='font-size:12.0pt;font-family:"Calibri",sans-serif;color:black'><br>----------<br>INFORMACISN SOBRE PROTECCISN DE DATOS DE CARACTER PERSONAL<br><br>Ud. recibe este correo por pertenecer a una lista de correo gestionada por la Universidad de Zaragoza.<br>Puede encontrar toda la informacisn sobre como tratamos sus datos en el siguiente enlace: </span><span lang=EN-US><a href="https://sicuz.unizar.es/informacion-sobre-proteccion-de-datos-de-caracter-personal-en-listas"><span style='font-size:12.0pt;font-family:"Calibri",sans-serif'>https://sicuz.unizar.es/informacion-sobre-proteccion-de-datos-de-caracter-personal-en-listas</span></a></span><span lang=EN-US style='font-size:12.0pt;font-family:"Calibri",sans-serif;color:black'><br>Recuerde que si esta suscrito a una lista voluntaria Ud. puede darse de baja desde la propia aplicacisn en el momento en que lo desee.<br></span><span lang=EN-US><a href="http://listas.unizar.es"><span style='font-size:12.0pt;font-family:"Calibri",sans-serif'>http://listas.unizar.es</span></a></span><span lang=EN-US style='font-size:12.0pt;font-family:"Calibri",sans-serif;color:black'><br>----------<o:p></o:p></span></p></div></div></div><div id=DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2><p class=MsoNormal style='margin-bottom:12.0pt;text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p> </o:p></span></p><div class=MsoNormal align=center style='text-align:center;text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:12.0pt;font-family:宋体'><hr size=2 width="99%" noshade style='color:#909090' align=center></span></div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'><tr><td style='padding:0cm 11.25pt 0cm 6.0pt'><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US><a href="https://www.avast.com/antivirus"><span style='font-size:12.0pt;font-family:宋体;text-decoration:none'><img border=0 width=90 height=33 style='width:.9404in;height:.3452in' id="_x0000_i1027" src="http://static.avast.com/emails/avast-mail-stamp.png" alt="Avast logo"></span></a></span><span lang=EN-US style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></p></td><td style='padding:.75pt .75pt .75pt .75pt'><p><span lang=EN-US style='font-family:"Calibri",sans-serif;color:#3D4D5A'>Този имейл е проверен за вируси от Avast. <br></span><span lang=EN-US><a href="https://www.avast.com/antivirus"><span style='font-family:"Calibri",sans-serif'>www.avast.com</span></a></span><span lang=EN-US style='font-family:"Calibri",sans-serif;color:#3D4D5A'> <o:p></o:p></span></p></td></tr></table><p class=MsoNormal style='text-indent:0cm;line-height:normal'><span lang=EN-US style='font-size:12.0pt;font-family:宋体'><br><br><o:p></o:p></span></p></div></div></body></html>