<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><div><br></div><div>Degerli liste uyeleri, </div></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Ayesha Asloob Qureshi (ICTP) 16 Mart Carsamba gunu Sabanci Universitesi'nde seminer verecektir. Asagida detaylarini bulacaginiz etkinlige katiliminiz bizi mutlu edecektir.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">iyi gunler dilegiyle</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">canan kasikci</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Ulasim icin: <div><a href="http://www.sabanciuniv.edu/en/transportation/shuttle-hours" target="_blank">http://www.sabanciuniv.edu/en/transportation/shuttle-hours</a> </div></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><strong><br></strong></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><strong>............................................</strong></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><strong>Title: Ideals and Algebras Associated with Isotone Maps Between Posets </strong></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><strong>Date/Time/Place: 16 March, 11:00, FENS 2008</strong></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><strong>Abstract: </strong>Our main goal is to study the ideal<em> L(P,Q)</em> and toric ring <em>K</em>[<em>P,Q</em>] whose generators are in bijection to the isotone maps from <em>P</em> to <em>Q</em>. We examine the several algebraic properties of<em> L(P,Q)</em> including Alexander duality behavior. The class of algebras <em>K</em>[<em>P,Q</em>], called isotonian, are natural generalizations of the so-called Hibi rings. We determine the Krull dimension of these algebras and for particular classes of posets <em>P</em> and <em>Q</em> we show that <em>K</em>[<em>P,Q</em>] is normal and that their defining ideal admits a quadratic Grobner basis. </div></div>