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- Mapping Class Group and Lefschetz Fibrations, Part IV — Department of Mathematics and Computer Science

from 03 10 PM to 04 00 PM Where RH 320 Add event to calendar vCal iCal Document Actions iCalendar vCalendar Send this Print this 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 29 Upcoming Events Geometry Topology Seminar Tue

Original URL path: http://mathcs.slu.edu/events/imported/F07-10-9-07-Top (2016-02-12)

Open archived version from archive - Mapping Class Group and Lefschetz Fibrations, Part III — Department of Mathematics and Computer Science

00 PM Where RH 320 Add event to calendar vCal iCal Introduction to Lefschetz fibrations and their connections to the mapping class group Document Actions iCalendar vCalendar Send this Print this 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 29

Original URL path: http://mathcs.slu.edu/events/imported/F07-10-2-07-Top (2016-02-12)

Open archived version from archive - Mapping Class Group and Lefschetz Fibrations, Part I — Department of Mathematics and Computer Science

04 00 PM Where RH 320 Add event to calendar vCal iCal Overview of the history of the theory of Mapping class groups Document Actions iCalendar vCalendar Send this Print this 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 29

Original URL path: http://mathcs.slu.edu/events/imported/F07-9-11-07-Top (2016-02-12)

Open archived version from archive - Ricci flow and 3-manifolds III — Department of Mathematics and Computer Science

04 00 PM Where RH 222 Add event to calendar vCal iCal Abstract This week more basics of Ricci flow Document Actions iCalendar vCalendar Send this Print this 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 29 Upcoming Events Geometry

Original URL path: http://mathcs.slu.edu/events/imported/F06-11-09-06-Top (2016-02-12)

Open archived version from archive - Flat Structures on Minimal Surfaces Part II — Department of Mathematics and Computer Science

from 03 10 PM to 04 00 PM Where RH 222 Add event to calendar vCal iCal Document Actions iCalendar vCalendar Send this Print this 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 29 Upcoming Events Geometry Topology Seminar Tue

Original URL path: http://mathcs.slu.edu/events/imported/F06-10-12-06-Top (2016-02-12)

Open archived version from archive - Flat Structures on Minimal Surfaces — Department of Mathematics and Computer Science

calendar vCal iCal Abstract A powerful technique in minimal surface theory involves using meromorphic one forms on a Riemann surface to prove the existence of previously undiscovered minimal surfaces in space The one forms are typically chosen to be compatible with a pre existing visual image of the surface Such images are quite common due to the development of computer graphics packages and there are dozens of images of minimal surfaces available on the internet for which there is no mathematical existence proof In this series of talks we will define a minimal surface and discuss some examples both new and old Then we will outline the technique of finding flat stuctures on minimal surfaces Two particular flat structures will then be discussed in more detail in an attempt to show how broadly this technique can be applied Finally we will conclude with a specific application in an effort to communicate the mathematical ideas involved in an existence proof Document Actions iCalendar vCalendar Send this Print this 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

Original URL path: http://mathcs.slu.edu/events/imported/F06-10-05-06-Top (2016-02-12)

Open archived version from archive - Topology in the Causal Boundary of a Spacetime IV — Department of Mathematics and Computer Science

2006 from 03 10 PM to 04 00 PM Where RH 222 Add event to calendar vCal iCal Document Actions iCalendar vCalendar Send this Print this 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 29 Upcoming Events Geometry Topology Seminar

Original URL path: http://mathcs.slu.edu/events/imported/F06-09-28-06-Top (2016-02-12)

Open archived version from archive - Topology in the Causal Boundary of a Spacetime:
(1) Quasi-Compactness in General and
(2) Non-Hausdorffness for Simple Product Spacetimes — Department of Mathematics and Computer Science

10 PM to 04 00 PM Where RH 222 Add event to calendar vCal iCal Abstract 1 Adding the future causal boundary to a strongly causal spacetime results in a topological space with causal structure which has this quasi compact property Any sequence of points has a subsequence with a limit point so long as there is an event in the common past of infinitely many of those points 2 For a simple product spacetime R x N N Riemannian adding the causal boundary produces a result the causal completion which is related to a simple product on a compactification of N formed from adding its Busemann boundary Either that Busemann compactification is Hausdorff and the causal completion of the spacetime is essentially a simple product of R with the Busemann compactification of N or the Busemann compactification is non Hausdorff requiring more convergence than is naively expected and the causal completion of the spacetime is more complicated than a product structure Document Actions iCalendar vCalendar Send this Print this 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

Original URL path: http://mathcs.slu.edu/events/imported/F06-09-07-06-Top (2016-02-12)

Open archived version from archive