<div dir="ltr">ekmeyi unutmuşum<br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:12.8px"><b style="font-size:12.8px">Prof. Dr. Allaberen Ashyralyev </b></div><div style="font-size:12.8px"><span style="font-size:small"><b>Department of Mathematics, Bahcesehir University, 34353, Istanbul, Turkey</b></span><b style="font-size:12.8px"> and </b><b style="font-size:12.8px">Near East University, Lefkoşa(Nicosia), Mersin 10 Turkey</b></div><div><div style="font-size:12.8px"><span style="font-size:12.8px"><b>Peoples' Friendship University of Russia (RUDN University),</b></span><b style="color:rgb(51,51,51);font-family:arial,helvetica,sans-serif;font-size:13px"> Ul Miklukho Maklaya 6, Moscow 117198, Russian Federation </b></div><div style="font-size:12.8px"><b style="font-size:12.8px">Institute of Mathematics and Mathematical Modelling, 050010, Almaty, Kazakhstan</b></div><div style="font-size:12.8px"><b style="font-size:12.8px">e-mail: <a href="mailto:allaberen.ashyralyev@neu.edu.tr" style="color:rgb(17,85,204)" target="_blank">allaberen.ashyralyev@eng.bau.edu.tr</a> and </b><b style="font-size:12.8px"><a href="mailto:aallaberen@gmail.com" style="color:rgb(17,85,204)" target="_blank">aallaberen@gmail.com</a> </b></div><div style="font-size:12.8px"><b style="font-size:12.8px"> </b><a href="http://akademik.bahcesehir.edu.tr/web/allaberenashyralyev" style="color:rgb(0,86,179);margin:0px;padding:0px;border:0px;font-stretch:inherit;font-size:14px;line-height:inherit;font-family:Roboto,sans-serif;vertical-align:baseline" target="_blank">http://akademik.bahcesehir.edu.tr/web/allaberenashyralyev</a></div><div><p class="MsoNormal"><a href="https://sites.google.com/view/aam-seminars" target="_blank">https://sites.google.com/view/aam-seminars</a></p></div><div><a href="https://content.sciendo.com/view/journals/ejaam/ejaam-overview.xml" target="_blank">https://content.sciendo.com/view/journals/ejaam/ejaam-overview.xml</a><br></div><div><font color="#1155cc"><span style="font-size:12.8px"><b><u><a href="http://icaam-online.org" target="_blank">icaam-online.org</a></u></b></span></font></div></div><div><font color="#1155cc"><span style="font-size:12.8px"><b><a href="https://www.genealogy.math.ndsu.nodak.edu/id.php?id=95872&fChrono=1" target="_blank">https://www.genealogy.math.ndsu.nodak.edu/id.php?id=95872&fChrono=1<br></a></b></span><br></font></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 30 Mar 2022 at 17:21, Allaberen Ashyralyev <<a href="mailto:aallaberen@gmail.com">aallaberen@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif""><span style="font-size:11pt;color:rgb(80,0,80)">Dear Colleagues!</span><br></p><p class="MsoNormal" style="margin:0cm 0cm 10pt;color:rgb(80,0,80);line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif"">You are cordially invited to the Weekly Online Seminar “Analysis and Applied Mathematics” on </p><p class="MsoNormal" style="margin:0cm 0cm 10pt;color:rgb(80,0,80);line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif""><span style="font-size:11pt;color:rgb(34,34,34)">Date: Tuesday, April 5, 2022</span><br></p><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif"">Time: 14.00-15.00 (Istanbul) = 13.00-14.00 (Ghent) = 17.00-18.00 (Almaty)</p><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif"">Zoom link: <a href="https://us02web.zoom.us/j/6678270445?pwd=SFNmQUIvT0tRaH-lDaVYrN3l5bzJVQT09" target="_blank">https://us02web.zoom.us/j/6678270445?pwd=SFNmQUIvT0tRaH-lDaVYrN3l5bzJVQT09</a>, Conference ID: 667 827 0445, Access code: 1</p><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif""><span style="font-size:11pt">Speaker: </span><span style="font-size:11pt">Prof. Dr. Eberhard Malkowsky</span></p><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif""><span style="font-size:11pt">Department of Mathematics, State University of Novi Pazar, Serbia</span></p><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif""><span style="font-size:11pt">Title: Some measures of noncompactness and their applica-tions</span></p><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif"">Abstract: Measures of noncompactness are very useful tools in functional analysis, for in-stance in metric fixed point theory and the theory of operator equations in Banach spaces. They are also used in the studies of functional equations, ordinary and partial differential equations, fractional partial differential equations, integral and integro-differential equa-tions, optimal control theory, and in the characterizations of compact operators between Ba-nach spaces. We present an axiomatic introduction to measures of noncompactness on bounded subsets of complete metric spaces [6, 4, 5, 3], and also the alternative axiomatic approaches by Banaś and Goebel [2] and by Akhmerov et al. [1] for measures of noncompact-ness in Banach spaces. As examples, we consider the Kuratowski, Hausdorff and separation measures of noncompactness and their most important properties. The Kuratowski measure of noncompactness is used in Darbo’s fixed point theorem. Furthermore we study the notion of measures of noncompactness of operators between Banach spaces and some of their prop-erties. Finally we give a few applications to the characterization of compact linear operators between certain BK spaces and to some results concerning the solvability of integral equa-tions.<br>References:<br>[1] R.R. Akhmerov, M.I. Kamenskii, A.S. Potapov, A.E. Rodkina, and B.N. Sadovskii. Measures of Noncompactness and Condensing Operators. Birkhäuser Verlag, Basel, 1992.<br>[2] J. Banaś and K. Goebel. Measures of Noncompactness in Banach Spaces, volume 60 of Lecture Notes in Pure and Applied Mathematics. Marcel Dekker Inc., New York and Basel, 1980.<br>[3] B. de Malafosse, E. Malkowsky, and V. Rakočević. Operators Between Sequence Spaces and Applications. Springer, 2021.<br>[4] E. Malkowsky and V. Rakočević. An introduction into the theory of sequence spaces and measures of noncompactness, volume 9(17) of Zbornik radova, Matematčki in-stitut SANU, pages 143–234. Mathematical Institute of SANU, Belgrade, 2000.<br>[5] E. Malkowsky and V. Rakočević. Advanced Functional Analysis. Taylor and Francis, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487, USA, 2019.<br>[6] J.M. Ayerbe Toledano, T. Dominguez Benavides, and G. Lopez Acedo. Measures of Noncompactness in Metric Fixed Point Theory, volume 99 of Operator Theory Ad-vances and Applications. Birkhäuser Verlag, Basel, Boston, Berlin, 1997.<br></p><div><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif""><span style="font-size:14.6667px">Abstracts and forthcoming talks can be found on our webpage</span><br></p><p class="MsoNormal" style="margin:0cm 0cm 10pt;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif""><span style="font-family:Arial,Helvetica,sans-serif;font-size:small;color:rgb(80,0,80)"></span></p><div><div style="margin:5px 0px"></div><div style="color:rgb(80,0,80)"><pre style="white-space:pre-wrap;text-align:justify;line-height:15.3333px;margin:0cm 0cm 0.0001pt;font-size:10pt;font-family:Courier"><p class="MsoNormal" style="margin:0cm 0cm 10pt;text-align:start;white-space:normal;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif""><a href="https://sites.google.com/view/aam-seminars" target="_blank">https://sites.google.com/view/aam-seminars</a></p><p class="MsoNormal" style="margin:0cm 0cm 10pt;text-align:start;white-space:normal;line-height:16.8667px;font-size:11pt;font-family:Calibri,"sans-serif"">Kind regards,</p></pre></div></div></div><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:12.8px"><b style="font-size:12.8px">Prof. Dr. Allaberen Ashyralyev </b></div><div style="font-size:12.8px"><span style="font-size:small"><b>Department of Mathematics, Bahcesehir University, 34353, Istanbul, Turkey</b></span><b style="font-size:12.8px"> and </b><b style="font-size:12.8px">Near East University, Lefkoşa(Nicosia), Mersin 10 Turkey</b></div><div><div style="font-size:12.8px"><span style="font-size:12.8px"><b>Peoples' Friendship University of Russia (RUDN University),</b></span><b style="color:rgb(51,51,51);font-family:arial,helvetica,sans-serif;font-size:13px"> Ul Miklukho Maklaya 6, Moscow 117198, Russian Federation </b></div><div style="font-size:12.8px"><b style="font-size:12.8px">Institute of Mathematics and Mathematical Modelling, 050010, Almaty, Kazakhstan</b></div><div style="font-size:12.8px"><b style="font-size:12.8px">e-mail: <a href="mailto:allaberen.ashyralyev@neu.edu.tr" style="color:rgb(17,85,204)" target="_blank">allaberen.ashyralyev@eng.bau.edu.tr</a> and </b><b style="font-size:12.8px"><a href="mailto:aallaberen@gmail.com" style="color:rgb(17,85,204)" target="_blank">aallaberen@gmail.com</a> </b></div><div style="font-size:12.8px"><b style="font-size:12.8px"> </b><a href="http://akademik.bahcesehir.edu.tr/web/allaberenashyralyev" style="color:rgb(0,86,179);margin:0px;padding:0px;border:0px;font-stretch:inherit;font-size:14px;line-height:inherit;font-family:Roboto,sans-serif;vertical-align:baseline" target="_blank">http://akademik.bahcesehir.edu.tr/web/allaberenashyralyev</a></div><div><p class="MsoNormal"><a href="https://sites.google.com/view/aam-seminars" target="_blank">https://sites.google.com/view/aam-seminars</a></p></div><div><a href="https://content.sciendo.com/view/journals/ejaam/ejaam-overview.xml" target="_blank">https://content.sciendo.com/view/journals/ejaam/ejaam-overview.xml</a><br></div><div><font color="#1155cc"><span style="font-size:12.8px"><b><u><a href="http://icaam-online.org" target="_blank">icaam-online.org</a></u></b></span></font></div></div><div><font color="#1155cc"><span style="font-size:12.8px"><b><a href="https://www.genealogy.math.ndsu.nodak.edu/id.php?id=95872&fChrono=1" target="_blank">https://www.genealogy.math.ndsu.nodak.edu/id.php?id=95872&fChrono=1<br></a></b></span><br></font></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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