<div dir="ltr">Sayın liste üyeleri, <div><br><div>MSGSÜ Matematik Bölümü Genel Seminerinde bu haftaki konuşmacımız MSGSÜ'den Özgür Martin. Seminer ile ilgili detaylar aşağıda yer almaktadır.</div></div><div>---------</div><div><b>Time:<span class="gmail-Apple-converted-space"> </span></b>Friday, December 3, 2021 at 17:00</div><div><br></div><div><b>Title:</b><span class="gmail-Apple-converted-space"> Bolstering Stochastic Gradient Descent with Model Building </span></div><div><br></div><div><b>Abstract:</b><span class="gmail-Apple-converted-space"> </span>Stochastic gradient descent method and its variants constitute the core optimization algorithms that achieve good convergence rates for solving machine learning problems. These rates are obtained especially when these algorithms are fine-tuned for the application at hand. Although this tuning process can require large computational costs, recent work has shown that these costs can be reduced by line search methods that iteratively adjust the stepsize. In this talk, we will introduce an alternative approach to stochastic line search by using a new algorithm based on forward step model building. This model building step incorporates a second-order information that allows adjusting not only the stepsize but also the search direction.</div><div dir="auto"><br></div><div dir="auto">This is a joint work with S. I. Birbil, G. Onay, and F. Öztoprak.</div><div dir="auto"><br></div><div><b>Link:</b> <a href="https://teams.microsoft.com/l/meetup-join/19%3a1eaca84648fa440e94bc4d7382675247%40thread.tacv2/1638191169763?context=%7b%22Tid%22%3a%22ddd5afa6-82d7-4e0e-b457-3000f5a23749%22%2c%22Oid%22%3a%22b11f2b28-e233-4b68-b781-77d2029695cb%22%7d">https://teams.microsoft.com/l/meetup-join/19%3a1eaca84648fa440e94bc4d7382675247%40thread.tacv2/1638191169763?context=%7b%22Tid%22%3a%22ddd5afa6-82d7-4e0e-b457-3000f5a23749%22%2c%22Oid%22%3a%22b11f2b28-e233-4b68-b781-77d2029695cb%22%7d</a></div><div dir="auto">-----------</div><div dir="auto"><div class="gmail-gs" style="margin:0px;padding:0px 0px 20px;width:728px;font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif"><div class="gmail-"><div id="gmail-:1su" class="gmail-ii gmail-gt" style="font-size:0.875rem;direction:ltr;margin:8px 0px 0px;padding:0px"><div id="gmail-:1st" class="gmail-a3s gmail-aiL" style="overflow:hidden;font-stretch:normal;font-size:small;line-height:1.5;font-family:Arial,Helvetica,sans-serif"><div dir="ltr"><div><div><b>Gelecek konuşmalar için:</b> <a href="https://researchseminars.org/seminar/MSGSUMath" target="_blank">https://researchseminars.org/seminar/MSGSUMath</a></div><div><br></div><div>İyi günler dilerim,</div><div><br></div><div>İpek Tuvay</div></div></div><div class="gmail-yj6qo"></div><div class="gmail-adL"></div></div></div><div class="gmail-hi" style="border-bottom-left-radius:1px;border-bottom-right-radius:1px;padding:0px;width:auto;background-color:rgb(242,242,242);margin:0px"></div></div></div><br class="gmail-Apple-interchange-newline"></div></div>