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- Functions of bounded variation in metric setting: an introduction. — Department of Mathematics and Computer Science

Math CS Club Computing Resources Outreach SLU Navigation SLU Home Arts Sciences Home Apply Now Prospective Students Info Functions of bounded variation in metric setting an introduction filed under Analysis Seminar by Nageswari Shanmugalingam of University of Cincinnati What Analysis Seminar When Thu Sep 24 2015 from 11 00 AM to 12 00 PM Where Ritter Hall 229 Contact Name James Gill Add event to calendar vCal iCal Functions of bounded variation BV on intervals are familiar in the area of real analysis Analogs of such functions in higher dimensional Euclidean domains made their presence felt by their use in fields such as image processing geometric measure theory and the study of blistering In this talk we will discuss an approach to BV functions in non smooth metric setting and discuss the geometry behind such functions 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 22 23 24 25 26 27 28

Original URL path: http://mathcs.slu.edu/seminars/analysis-seminar/functions-of-bounded-variation-in-metric-setting-an-introduction (2016-02-12)

Open archived version from archive - An Introduction to Arithmetic Dynamics and the Sage-Dynamics Project — Department of Mathematics and Computer Science

Club Computing Resources Outreach SLU Navigation SLU Home Arts Sciences Home Apply Now Prospective Students Info An Introduction to Arithmetic Dynamics and the Sage Dynamics Project filed under Algebra Seminar Ben Hutz St Louis University What Algebra Seminar When Tue Sep 22 2015 from 03 10 PM to 04 00 PM Where 236 Ritter Hall Add event to calendar vCal iCal Abstract I will give an introduction to the field of arithmetic dynamics focusing on the problems most closely related to my work The level will be introductory My current NSF grant supports developing dynamical systems functionality in the computer algebra system Sage Consequently I will discuss the current state of the project and the Sage development model Graduate students interested in a blend of computational problems in algebra number theory and dynamical systems are encourage to attend 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 22 23 24 25 26

Original URL path: http://mathcs.slu.edu/seminars/algebra-seminar/copy_of_approximations-of-objectcs-by-ideals-of-morphisms-and-phantom-maps (2016-02-12)

Open archived version from archive - Null Distance on a Spacetime — Department of Mathematics and Computer Science

Topology Seminar by Dr Carlos Vega of Saint Louis U What Geometry Topology Seminar Topology Seminar When Tue Sep 22 2015 from 02 10 PM to 03 00 PM Where 225 Ritter Hall Contact Name Dr Khan Add event to calendar vCal iCal Given any time function on a spacetime M we define an induced null distance function built from and closely related to the causal structure of M This null distance is a conformal pseudometric in general but is positive definite under natural conditions Further in basic model cases the causal structure is encoded completely in the resulting metric space In the cosmological setting a canonical choice of time function was introduced and studied by Andersson Galloway and Howard We show that under their basic niceness condition the induced null distance is definite and hence provides a uniform way of encoding big bang and related spacetimes as metric spaces This is joint work with Christina Sormani 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

Original URL path: http://mathcs.slu.edu/seminars/null-distance-on-a-spacetime (2016-02-12)

Open archived version from archive - Approximations of objects by ideals of morphisms and phantom maps — Department of Mathematics and Computer Science

of Murcia Spain What Colloquium Algebra Seminar When Tue Jun 23 2015 from 02 00 PM to 02 50 PM Where MDH 1076 Add event to calendar vCal iCal ABSTRACT We developed a general theory of phantom morphisms in additive exact categories associated to subfunctors of the Ext functor In particular when the exact category has enough projective and injective modules we prove that an ideal I in the category is special precovering if and only if there exists a subfunctor F of Ext with enough injective morphisms such that I is the ideal of phantom morphisms associated to the subfunctor F We will specially stress the connection of our results with the classical notion of approximations of modules due to Auslander and Enochs We will also emphasize difffererent applications of this theory as for instance the existence of phantom covers of modules the Auslander Reiten theory for Artin Algebras the homotopy theory of semisplit complexes of modules or the study of geometrical purity in the category of quasi coherent sheaves over a scheme 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

Original URL path: http://mathcs.slu.edu/seminars/algebra-seminar/approximations-of-objectcs-by-ideals-of-morphisms-and-phantom-maps (2016-02-12)

Open archived version from archive - Past Seminars — Department of Mathematics and Computer Science

of Saint Louis University Rademacher s Theorem and Cheeger Differentiation III Apr 14 2015 04 10 PM Geometry Topology Seminar Topology Seminar by Dr Steve Harris of Saint Louis U Static and Stationary Spacetimes Algebraic and Causal Structures II Apr 10 2015 03 10 PM Analysis Seminar by James Gill of Saint Louis University Rademacher s Theorem and Cheeger Differentiation II Apr 09 2015 03 30 PM Geometry Topology Seminar Topology Seminar by Dr Songhao Travis Li of Washington U St Louis Log Symplectic Geometry Apr 07 2015 04 10 PM Geometry Topology Seminar Topology Seminar by Dr Steve Harris of Saint Louis U Static and Stationary Spacetimes Algebraic and Causal Structures Mar 27 2015 03 10 PM Analysis Seminar by James Gill SLU Rademacher s Theorem and Cheeger Derivatives Mar 23 2015 04 10 PM Geometry Topology Seminar Topology Seminar by Dr Carlos Vega of Saint Louis U More on Splitting Spacetime Mar 20 2015 03 10 PM Analysis Seminar Richard Lynch University of Missouri The unconditionality constant of frames Mar 16 2015 04 10 PM Geometry Topology Seminar Topology Seminar by Dr Carlos Vega of Saint Louis U Lorentzian Horospheres and Bartnik s Splitting Conjecture Mar 11 2015 04 00 PM Computer Science Seminar Colloquium Tae Hyuk Ted Ahn Oak Ridge National Laboratory Computational Techniques for the Analysis of Large Scale Biological Systems Mar 09 2015 04 00 PM Computer Science Seminar Colloquium Md Jamiul Jahid University of Texas at San Antonio Network based Approaches toward Precise Disease Classification Prognosis and Treatment Mar 06 2015 04 00 PM Computer Science Seminar Colloquium Dongxiao Zhu Wayne State University Deep Sequencing Analytics to Enable Precision Medicine Computational Methods Algorithms and Tools Mar 03 2015 04 00 PM Computer Science Seminar Colloquium Jin Zhang Genome Institute Washington University Structural Variation and

Original URL path: http://mathcs.slu.edu/seminars/past-seminars/atct_topic_view?b_start:int=20&-C= (2016-02-12)

Open archived version from archive - Past Seminars — Department of Mathematics and Computer Science

North Park University Parity and Biquandles in Virtual Knot Theory Topological invariants via linear algebra Sep 26 2014 03 10 PM Analysis Seminar Darrin Speegle SLU Towards a characterization of matrices admitting wavelet sets Sep 26 2014 11 00 AM Colloquium Paul Cummings University at Albany On n fold Commutators in a Semigroup and Group Diagrams on k holed Tori for k less than or equal to n May 06 2014 11 00 AM Computer Science Seminar Robert Pless Washington University in St Louis Linear Decompositions of Long Term Time Lapse Imagery Are Surprisingly Informative May 02 2014 04 00 PM Colloquium Math CS Club Robert Pless Washington University in St Louis 2014 Math Computer Science Department Award Ceremony Apr 24 2014 12 00 PM PhD Oral Exam Topology Seminar Darren Garbuz Saint Louis University Heegard Diagrams and Decomposing Dehn Twists in Terms of Lickorish Generators Apr 23 2014 04 00 PM Colloquium Furuzan Ozbek University of Kentucky Ideal Approximation Theory Apr 16 2014 04 00 PM Colloquium Tingting Huan University of Connecticut Traveling Fronts to the Combustion and the Generalized Fisher KPP Models with Fractional Laplacians Mar 04 2014 03 45 PM Graduate Seminar Anneke Bart Saint Louis University Supporting and Measuring Student Success Feb 28 2014 11 00 AM Computer Science Seminar Geometry Topology Seminar Speaker Mikael Vejdemo Johansson Affiliations Jozef Stefan Institute JSI Royal Institute of Technology KTH and the IMA at University of Minnesota Necktie knots formal languages and network security Feb 21 2014 04 00 PM Colloquium Clayton Shonkwiler University of Georgia Closed Random Walks and Symplectic Geometry Feb 17 2014 11 00 AM Colloquium Biao Wang Wesleyan University Counting Minimal Surfaces in Hyperbolic 3 Manifolds Feb 14 2014 04 00 PM Colloquium Qayum Khan Indiana University Involutions on tori with isolated fixed points Feb

Original URL path: http://mathcs.slu.edu/seminars/past-seminars/atct_topic_view?b_start:int=40&-C= (2016-02-12)

Open archived version from archive - Past Seminars — Department of Mathematics and Computer Science

Poincaré Type Equality Nov 08 2013 03 10 PM Analysis Seminar Darrin Speegle Saint Louis University The Levy Steinitz Theorem an expository talk Nov 07 2013 02 10 PM Algebra Seminar Feroz Siddique Saint Louis University On Two Questions posed by Nicholson Oct 25 2013 03 10 PM Analysis Seminar Andrew Parrish Saint Louis University Pointwise convergence of ergodic averages along sequences Oct 15 2013 02 00 PM Topology Seminar Kyle Sykes Saint Louis University Zipper Foldings of a Diamond Oct 04 2013 03 10 PM Analysis Seminar Samangi Munasinghe Western Kentucky University Regularity of Weighted Szeg o Projections Oct 01 2013 02 00 PM Topology Seminar Michael Tsau Saint Louis University The Topology of the Coefficients of the Alexander Conway Polynomials Sep 24 2013 02 00 PM Topology Seminar Michael Tsau Saint Louis University The topology of the coefficients of the Alexander Conway polynomials Jun 26 2013 12 00 PM Computer Science Seminar Dr Glencora Borradaile Oregon State University Divide Conquer Algorithms for Network Flow Problems in Planar Graphs May 10 2013 03 10 PM Analysis Seminar Daniel Freeman SLU Dilation Problems for Schauder Frames May 03 2013 11 00 AM Topology Seminar Cynthia Traub Southern Illinois University Edwardville Steiner Reducing Sets of Minimum Weight Triangulations May 02 2013 02 40 PM Analysis Seminar Lova Randrianarivony SLU Application of the Laakso construction for the study of property β Apr 26 2013 11 00 AM Topology Seminar James Munden Saint Louis University Homogeneous Metrics on Spheres Apr 25 2013 04 00 PM Colloquium Math CS Club Featuring Tim Chartier Davidson College The 2013 Math Computer Science Department Award Ceremony Apr 25 2013 11 00 AM Colloquium Tim Chartier Davidson College Thinking Linearly About Data Apr 19 2013 11 00 AM Topology Seminar David Letscher Saint Louis University Random Projections the

Original URL path: http://mathcs.slu.edu/seminars/past-seminars/atct_topic_view?b_start:int=60&-C= (2016-02-12)

Open archived version from archive - Past Seminars — Department of Mathematics and Computer Science

SLU Normal homology and Writhe of Polynomial Knots Nov 10 1998 01 00 PM Algebra Seminar Russel Blyth SLU Odd Order Groups with the Rewriting Property Q3 Nov 05 1998 03 00 PM Analysis Seminar Brad Currey SLU Interesting Subquotients in Enveloping Algebras Nov 03 1998 02 10 PM Topology Seminar Kevin Scannell SLU Arithmetic manifolds Nov 03 1998 01 00 PM Algebra Seminar Russel Blyth SLU Odd Order Groups with the Rewriting Property Q3 Oct 27 1998 02 10 PM Topology Seminar Kevin Scannell SLU Arithmetic manifolds Oct 27 1998 01 00 PM Algebra Seminar Russel Blyth SLU Odd Order Groups with the Rewriting Property Q3 Oct 13 1998 02 10 PM Topology Seminar Anneke Bart SLU Surface groups in Surgered Manifolds Oct 13 1998 01 00 PM Algebra Seminar Aletta Speegle SLU The Internal Structure of the Near Ring M S G K Oct 08 1998 03 00 PM Analysis Seminar Darrin Speegle SLU Examining Wavelets via the Fourier Transform Oct 06 1998 02 10 PM Topology Seminar Anneke Bart SLU Surface groups in Surgered Manifolds Oct 06 1998 01 00 PM Algebra Seminar Julianne Rainbolt SLU Gelfand Graev Representations Sep 29 1998 02 10 PM Topology Seminar

Original URL path: http://mathcs.slu.edu/seminars/past-seminars/atct_topic_view?b_start:int=720&-C= (2016-02-12)

Open archived version from archive