## Weakly coupled dual of the strongly coupled IIB closed string?

<jabberwocky><div class="vbmenu_control"><a href="jabberwocky:;" onClick="newWindow=window.open('','usenetCode','toolbar=no,location=no, scrollbars=yes,resizable=yes,status=no,width=650,height=400'); newWindow.document.write('<HTML><HEAD><TITLE>Usenet ASCII</TITLE></HEAD><BODY topmargin=0 leftmargin=0 BGCOLOR=#F1F1F1><table border=0 width=625><td bgcolor=midnightblue><font color=#F1F1F1>This Usenet message\'s original ASCII form: </font></td></tr><tr><td width=449><br><br><font face=courier><UL><PRE>Hi guys,\n\nI\'d like to know what the weakly coupled dual of the strongly coupled\nIIB closed string is.\n\nThanks,\nYaakov\n\n[Moderator\'s note: type IIB is S-dual to itself; in fact, the g -&gt; 1/g\nsymmetry of S-duality is extended into a bigger group SL(2,Z). LM]\n\n</UL></PRE></font></td></tr></table></BODY><HTML>');"> <IMG SRC=/images/buttons/ip.gif BORDER=0 ALIGN=CENTER ALT="View this Usenet post in original ASCII form">&nbsp;&nbsp;View this Usenet post in original ASCII form </a></div><P></jabberwocky>Hi guys,

I'd like to know what the weakly coupled dual of the strongly coupled
IIB closed string is.

Thanks,
Yaakov

[Moderator's note: type IIB is S-dual to itself; in fact, the $g -> 1/g$
symmetry of S-duality is extended into a bigger group SL(2,Z). LM]

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