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  • Past Seminars — Department of Mathematics and Computer Science
    People Research Teaching Undergrad CS Undergrad Math Undergrad Statistics Graduate Programs Awards and Scholarships Math CS Club Computing Resources Outreach SLU Navigation SLU Home Arts Sciences Home Apply Now Prospective Students Info Send this page to someone Fill in the email address of your friend and we will send an email that contains a link to this page Address info Send to Required The e mail address to send this

    Original URL path: http://mathcs.slu.edu/seminars/past-seminars/sendto_form (2016-02-12)
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  • Colloquium — Department of Mathematics and Computer Science
    KPP Models with Fractional Laplacians Event 2014 Math Computer Science Department Award Ceremony Event Ideal Approximation Theory Event Methods in Statistical Change point Analysis Event Document Actions Send this Print this Subscribe to Talklist Sign up here for a weekly email of upcoming department events Email address Your name February 2016 February Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11

    Original URL path: http://mathcs.slu.edu/seminars/colloquium/ (2016-02-12)
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  • Traveling Fronts to the Combustion and the Generalized Fisher-KPP Models with Fractional Laplacians — Department of Mathematics and Computer Science
    Outreach SLU Navigation SLU Home Arts Sciences Home Apply Now Prospective Students Info Traveling Fronts to the Combustion and the Generalized Fisher KPP Models with Fractional Laplacians filed under Colloquium Tingting Huan University of Connecticut What Colloquium When Wed Apr 16 2014 from 04 00 PM to 05 00 PM Where Ritter Hall 31 Add event to calendar vCal iCal Abstract In this talk we will discuss the nonexistence of traveling fronts in the combustion model with fractional Laplacian s when s 2 0 1 2 Our method can be used to give a direct and simple proof of the nonexistence of traveling fronts for the usual Fisher KPP nonlinearity Also we will discuss the existence and nonexistence of traveling fronts for dierent ranges of the fractional power s for the generalized Fisher KPP type model This is joint work with Changfeng Gui Document Actions iCalendar vCalendar Send this Print this Subscribe to Talklist Sign up here for a weekly email of upcoming department events Email address Your name February 2016 February Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

    Original URL path: http://mathcs.slu.edu/seminars/colloquium/traveling-fronts-to-the-combustion-and-the-generalized-fisher-kpp-models-with-fractional-laplacians (2016-02-12)
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  • 2014 Math & Computer Science Department Award Ceremony — Department of Mathematics and Computer Science
    What Colloquium Math CS Club When Fri May 02 2014 from 04 00 PM to 06 00 PM Where Baer Fuller Lecture Hall Add event to calendar vCal iCal Department of Mathematics and Computer Science 2014 Awards Ceremony Featuring the Case Lecture by Robert Pless Washington University in St Louis Watching the World Change Over Time The Geometry of Rainbows and Turtles We live in a world that is better imaged and better connected than ever before I will share projects about understanding how to use this imagery to measure the world to find out what is happening right now and then visualize how things are changing over time These projects are all driven by the goal of making it possible for everyone to build share and benefit from technology advances and I will talk about what I have learned from making websites and smart phone apps that make it easy for anyone to measure things they want to measure and to learn about things they most care about Document Actions iCalendar vCalendar Send this Print this Subscribe to Talklist Sign up here for a weekly email of upcoming department events Email address Your name February 2016 February Su Mo

    Original URL path: http://mathcs.slu.edu/seminars/colloquium/math-computer-science-department-annual-award-ceremony (2016-02-12)
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  • Ideal Approximation Theory — Department of Mathematics and Computer Science
    Abstract In this talk we examine the theory of covering enveloping ideals The notion of covers and envelopes by modules was introduced independently by Auslander Smalo and Enochs and has proven to be beneficial for module theory as well as for representation theory The definition of cover and envelope by modules carry over to the ideals very naturally Classical conditions for existence theorems for covers led to similar approaches in the ideal case Even though some theorems such as Salce s Lemma were proven to extend to ideals most of the theorems do not directly apply to the new case We will show how Eklof Trlifaj s result can partially be extended to the ideals generated by a set Moreover by relating the existence theorems for covering ideals of morphisms by identifying the morphisms with objects in A 2 where A 2 is the category of all representations of 2 quiver by R modules we obtain a sufficient condition for the existence of covering ideals in a more general setting and finish with applying this result to the class of phantom morphisms Document Actions iCalendar vCalendar Send this Print this Subscribe to Talklist Sign up here for a weekly email

    Original URL path: http://mathcs.slu.edu/seminars/colloquium/ideal-approximation-theory (2016-02-12)
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  • Methods in Statistical Change-point Analysis — Department of Mathematics and Computer Science
    change point problem is considered in a variety of settings In particular a number of statistical models are developed that may be applied to the problem of detecting the existence of a statistical change point and then estimating its location in one and several dimensions Of primary interest in the univariate case are statistical change points in mean variance and multiple change points For the multivariate case these cases are also investigated but also considered is the question in which dimensions the change point occurred New methods proposed in this dissertation answer these questions by applying a Bayesian statistical analysis on the wavelet detail coefficients after a Discrete Wavelet Transform is taken of the original time series This new approach is shown to offer several advantages from previously known classical methods Furthermore through the use of random matrix dimension reduction techniques applications to high dimensional time series are also presented Finally the method of Reversible Jump Markov Chain Monte Carlo is applied to the multivariate change point problem to detect dimensional statistical change points Along with detailed derivations of theoretical results numerical experiments involving both simulated and real world data will be presented Document Actions iCalendar vCalendar Send this Print

    Original URL path: http://mathcs.slu.edu/seminars/colloquium/methods-in-statistical-change-point-analysis (2016-02-12)
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  • Colloquium — Department of Mathematics and Computer Science
    send an email that contains a link to this page Address info Send to Required The e mail address to send this link to From Required Your email address Comment A comment about this link Subscribe to Talklist Sign up here for a weekly email of upcoming department events Email address Your name February 2016 February Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7

    Original URL path: http://mathcs.slu.edu/seminars/colloquium/sendto_form (2016-02-12)
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  • Colloquium — Department of Mathematics and Computer Science
    Models with Fractional Laplacians Event 2014 Math Computer Science Department Award Ceremony Event Ideal Approximation Theory Event Methods in Statistical Change point Analysis Event Document Actions Send this Print this Subscribe to Talklist Sign up here for a weekly email of upcoming department events Email address Your name January 2016 January Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12

    Original URL path: http://mathcs.slu.edu/seminars/colloquium/?month:int=1&year:int=2016&orig_query= (2016-02-12)
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