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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap: break-word;-webkit-nbsp-mode: space;line-break:after-white-space'><div class=WordSection1><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I attached source code that gives error<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>\pdfendlink ended up in different nesting level than \pdfstartlink<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>and after this error pdfLaTeX crashes. Long time I was thinking that this crash relates to packages. But once similar code which has only English text I compiled using dvips and dvips compiled without problem. Therefore this is a bug in pdflatex.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>And I cannot use dvips with this code because there is problem with package babel.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Starting file is 2207.06506 Russian. File should be translated twice because error happens on second translation. I also added log file into zip file which helps to see how pdflatex reacts on this error. In log file I see that somebody tries to fix this problem. However the problem still exists. I will appreciate if somebody can help to fix this bug.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank you,<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:Consolas;color:#1F497D'>Aleks Kleyn</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'><tr><td width=734 valign=top style='width:275.4pt;padding:0in 5.4pt 0in 5.4pt'><p class=MsoNormal style='line-height:115%'><a href="http://alekskleyn.dyndns-home.com:4080/"><span style='font-size:10.5pt;line-height:115%;font-family:Consolas'>http://alekskleyn.dyndns-home.com:4080/</span></a><span style='font-size:10.5pt;line-height:115%;font-family:Consolas;color:#1F497D'> </span><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><a href="http://arxiv.org/a/kleyn_a_1"><span style='font-size:10.5pt;line-height:115%;font-family:Consolas'>http://arxiv.org/a/kleyn_a_1</span></a><span style='font-size:10.5pt;line-height:115%;font-family:Consolas;color:#1F497D'> </span><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><a href="http://AleksKleyn.blogspot.com/"><span style='font-size:10.5pt;line-height:115%;font-family:Consolas'>http://AleksKleyn.blogspot.com/</span></a><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><a href="http://kleynaleks.blogspot.com/"><span style='font-size:10.5pt;line-height:115%;font-family:Consolas'>http://KleynAleks.blogspot.com/</span></a><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p></td><td width=466 valign=top style='width:174.85pt;padding:0in 5.4pt 0in 5.4pt'><p class=MsoNormal style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'>Derivative in Banach algebra</span><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'><tr><td valign=top style='padding:0in 5.4pt 0in 5.4pt'><p class=MsoNormal style='line-height:115%'><i><u><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'>dx<sup>2</sup></span></u></i><i><u><sup><span style='font-family:"Cambria","serif";color:#1F497D'><o:p></o:p></span></sup></u></i></p></td><td rowspan=2 style='padding:0in 5.4pt 0in 5.4pt'><p class=MsoNormal style='line-height:115%'><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'>=1</span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria Math","serif";color:#1F497D'>⊗ </span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'>x+x</span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria Math","serif";color:#1F497D'>⊗</span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'>1</span></i><span style='font-family:"Cambria","serif";color:#1F497D'><o:p></o:p></span></p></td></tr><tr><td valign=top style='padding:0in 5.4pt 0in 5.4pt'><p class=MsoNormal style='line-height:115%'><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'>dx</span></i><i><span style='font-family:"Cambria","serif";color:#1F497D'><o:p></o:p></span></i></p></td></tr></table><p class=MsoNormal style='line-height:115%'><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'> d<sub> </sub>x<sup>2</sup> =(1</span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria Math","serif";color:#1F497D'>⊗ </span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'>x+x</span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria Math","serif";color:#1F497D'>⊗</span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'>1)</span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'> ◦dx</span></i><i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'>=dx x+x dx</span></i><span style='font-size:11.0pt;line-height:115%;font-family:"Cambria","serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='line-height:115%'><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p></td></tr></table><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p></div></div></body></html>