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<div class="">Hi All,</div>
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<div class="">I have been following this thread with interest as much as time permits. I think multilevel approaches to understanding information flow is an important one. I also think the structure of natural systems exhibits both hierarchical and heterarchical
features. The hierarchies we formally recognize can be extremely useful, but they are rarely exclusive of alternatives. Here is a link to a paper Mark Tessera and I published a couple of years ago arguing for one particular hierarchy of multilevel emergence
in physical systems connecting lower level physical systems to biological systems:</div>
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</span></div>
<div class=""><span style="text-indent: -0.25in;" class="">Tessara, M., and G. A. Hoelzer. 2013.
</span><span style="text-indent: -0.25in;" class="">On the thermodynamics of multilevel evolution. Biosystems 113: 140–143.</span></div>
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</span></div>
<div class=""><span style="text-indent: -0.25in;" class="">Regards,</span></div>
<div class=""><span style="text-indent: -0.25in;" class=""><br class="">
</span></div>
<div class=""><span style="text-indent: -0.25in;" class="">Guy</span></div>
<br class="">
<div apple-content-edited="true" class="">Guy Hoelzer, Associate Professor<br class="">
Department of Biology<br class="">
University of Nevada Reno<br class="">
<br class="">
Phone: 775-784-4860<br class="">
Fax: 775-784-1302<br class="">
<a href="mailto:hoelzer@unr.edu" class="">hoelzer@unr.edu</a> </div>
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<div class="">On Dec 1, 2015, at 6:40 AM, Xueshan Yan <<a href="mailto:yxs@pku.edu.cn" class="">yxs@pku.edu.cn</a>> wrote:</div>
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<span class="031040213-01122015"><font size="4" face="微软雅黑" class="">Dear Joshi,</font></span></div>
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<span class="031040213-01122015"><font size="4" face="微软雅黑" class="">No matter what topic/title you used, no matter what goal you want to reach, your post has raised a very important theory which can decide the future of information science: Three Level Theory:
Molecular (level1), Cellular (level2), Social (level3). (Please excuse my minor modification).</font></span></div>
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<span class="031040213-01122015"><font size="4" face="微软雅黑" class="">The FIS colleagues can easily recollect the theory of Cell, Brain, Firm which was advocated by Pedro about 10 years ago, but I think this hierarchy is could be much better spent taking some
positive action.</font></span></div>
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<span class="031040213-01122015"><font size="4" face="微软雅黑" class="">Social (level3): It can indicate the all human/social information studies.<br class="">
Cellular (level2): It can indicate the all cellular/biological information studies.<br class="">
Molecular (level1): It can indicate the all molecular/chemical information studies.<br class="">
XXXXXXX (level0): Particlate/physical information studies??</font></span></div>
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<span class="031040213-01122015"><font size="4" face="微软雅黑" class="">As we know, due to the Technological Information Science (It includes computer science and telecommunications) is not self-organizational, or antipoetic, so we generally don't consider it
as a real information science.</font></span></div>
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<span class="031040213-01122015"><font size="4" face="微软雅黑" class="">With my best regards!</font></span></div>
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<span class="031040213-01122015"><font size="4" face="微软雅黑" class="">Xueshan<br class="">
Peking University</font></span></div>
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