<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div> <!--StartFragment--><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Dear All,</div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Our guest Dr. Maciej Borodzik from Mathematical Institute of Polish Academy of Sciences will give a mini lecture series on geometric topology next week.</div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong>First Lecture:</strong><span> </span>November 15th, 13:30 Math department seminar room (122)</div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="color: #333333; font-size: 12pt;" data-mce-style="color: #333333; font-size: 12pt;"><strong>Title:</strong><span> </span>Knot concordance and Z-homology cobordisms.</span><br></div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong>Abstract:</strong><span> </span><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-size: 12pt; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-size: 12pt; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">It is known that high dimensional simply-connected manifolds that are</span><br style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;" data-mce-style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;"><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-size: 12pt; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-size: 12pt; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">Z-homology cobordant are diffeomorphic. In dimension 3 this does not</span><br style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;" data-mce-style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;"><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-size: 12pt; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-size: 12pt; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">hold. We discuss the notion of knot concordance and show relation of</span><br style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;" data-mce-style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;"><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-size: 12pt; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-size: 12pt; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">this notion to Z-homology cobordism of 3-manifolds.</span><div><br></div></div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;"><strong>Second Lecture:</strong><span> </span>November 17th, 14:30 Math department seminar room (122)</span><div><div><span style="color: #333333; font-size: 12pt;" data-mce-style="color: #333333; font-size: 12pt;"><strong>Title:</strong><span> </span>Introduction to knot Floer homology.</span><br></div><div><span style="color: #333333; font-size: 12pt;" data-mce-style="color: #333333; font-size: 12pt;"><span style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 16px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;"><strong>Abstract:</strong><span> </span>We begin with giving examples of knot Floer homology and of invariants<br></span></span><span style="color: #333333; font-size: 12pt;" data-mce-style="color: #333333; font-size: 12pt;"><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">that can be deduced from it. We introduce the notion of a d-invariant</span><br style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;" data-mce-style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;"><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">of a 3-manifold which is the result of a surgery of a knot.</span><br style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;" data-mce-style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;"><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">We define Heegaard Floer homology for 3-manifolds. We give a</span><br style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;" data-mce-style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;"><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">construction for manifolds with b_1=0. We give some applications and</span><br style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;" data-mce-style="color: #333333; font-family: monospace; font-size: 18.88px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff;"><span style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;" data-mce-style="color: #333333; font-family: arial, helvetica, sans-serif; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; white-space: normal; background-color: #ffffff; float: none; display: inline !important;">relate to knot Floer theory.</span></span><div><br></div><div><br></div><div>Best regards,</div><div><br></div><div>Dr. Faruk Temur</div><div>Department of Mathematics</div><div>Izmir Institute of Technology</div></div></div></div><!--EndFragment--><div style="clear: both;" data-mce-style="clear: both;"><br data-mce-bogus="1"></div></div></div></body></html>