http://openproblemgarden.org/op/s_f_os_f_s_f Comments for "S*(f)oS*(f)=S*(f)" en http://openproblemgarden.org/op/s_f_os_f_s_f <table cellspacing="10"> <tr> <td> Author(s): <a href="/category/porton_victor">Porton</a>&nbsp;&nbsp; </td> <td align=right> Subject: <a href="/topology">Topology</a>&nbsp;&nbsp; </td> </tr> <tr> <td colspan=2> <table border=1 cellspacing="5"> <tr><td> <div class="envtheorem"><b>Question</b>&nbsp;&nbsp; <img class="teximage" src="/files/tex/bd57745491dd6302c7393293c8450fce24c94546.png" alt="$ S^*(f)\circ S^*(f)=S^*(f) $" /> for any <a href="http://www.wikinfo.org/index.php/Reloid">reloid</a> <img class="teximage" src="/files/tex/43374150a8a220f67049937b9790b7d28eb17fb9.png" alt="$ f $" />? </div> </tr></td> </table> </td> </tr> </table> Porton, Victor reloid Topology http://openproblemgarden.org/op/s_f_os_f_s_f#comment Thu, 10 Apr 2008 13:25:33 +0200 porton 755 at http://openproblemgarden.org