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- Exotic Spheres 04 — Department of Mathematics and Computer Science

Resources Outreach SLU Navigation SLU Home Arts Sciences Home Apply Now Prospective Students Info Exotic Spheres 04 filed under Topology Seminar Open to the public a learning seminar with talks from advanced graduate students What Topology Seminar When Thu Feb 11 2016 from 11 00 AM to 12 00 PM Where 202 Ritter Hall Contact Name Dr Khan Attendees rotating presentations by Chirasree Chatterjee Sean Corrigan Gerrit Smith Add event to calendar vCal iCal The primary source is the seminal 1963 differential topology article Groups of homotopy spheres by Michel Kervaire and John Milnor Gerrit will do Item 5 from the outline in Lecture 02 The proof involves several external references 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 29 Upcoming Events Geometry Topology Seminar Tue Feb 16 2016 Orbifolds 04 Kimberly Druschel Math CS Club Wed Feb 17 2016 New options for math

Original URL path: http://mathcs.slu.edu/virtual_hosting//seminars/topology-seminar/exotic-spheres-04/?searchterm=None (2016-02-12)

Open archived version from archive - Exotic Spheres 04 — Department of Mathematics and Computer Science

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 8 9 10 11 12 13 14 15

Original URL path: http://mathcs.slu.edu/seminars/topology-seminar/exotic-spheres-04/sendto_form (2016-02-12)

Open archived version from archive - Exotic Spheres 04 — Department of Mathematics and Computer Science

Outreach SLU Navigation SLU Home Arts Sciences Home Apply Now Prospective Students Info Exotic Spheres 04 filed under Topology Seminar Open to the public a learning seminar with talks from advanced graduate students What Topology Seminar When Thu Feb 11 2016 from 11 00 AM to 12 00 PM Where 202 Ritter Hall Contact Name Dr Khan Attendees rotating presentations by Chirasree Chatterjee Sean Corrigan Gerrit Smith Add event to calendar vCal iCal The primary source is the seminal 1963 differential topology article Groups of homotopy spheres by Michel Kervaire and John Milnor Gerrit will do Item 5 from the outline in Lecture 02 The proof involves several external references 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 January 2016 January 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 30 31 Upcoming Events Geometry Topology Seminar Tue Feb 16 2016 Orbifolds 04 Kimberly Druschel Math CS Club Wed Feb 17 2016 New options for

Original URL path: http://mathcs.slu.edu/seminars/topology-seminar/exotic-spheres-04?month:int=1&year:int=2016&orig_query= (2016-02-12)

Open archived version from archive - Symmetric Products Mappings in ℂ ℙ ᵏ — Department of Mathematics and Computer Science

ᵏ filed under Algebra Seminar Scott Kaschner Butler University What Algebra Seminar When Thu Feb 11 2016 from 02 10 PM to 03 00 PM Where 225 Ritter Hall Add event to calendar vCal iCal Abstract This talk will outline properties of mappings of k dimensional complex projective space ℂ ℙ k that are symmetric products of rational maps of ℂ ℙ 1 Besides describing this construction I will demonstrate that these products can be used to construct nontrivial maps that are strongly post critically finite These maps may also provide an example of an isolated Lattès map in the moduli space of degree d rational maps of ℂ ℙ k I will describe the current state of this problem This is joint work with Thomas Gauthier Université de Picardie Jules Verne and Benjamin Hutz SLU 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/virtual_hosting//seminars/algebra-seminar/copy2_of_approximations-of-objectcs-by-ideals-of-morphisms-and-phantom-maps/?searchterm=None (2016-02-12)

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

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Original URL path: http://mathcs.slu.edu/search?Subject%3Alist=Algebra%20Seminar (2016-02-12)

Open archived version from archive - Symmetric Products Mappings in ℂ ℙ ᵏ — Department of Mathematics and Computer Science

filed under Algebra Seminar Scott Kaschner Butler University What Algebra Seminar When Thu Feb 11 2016 from 02 10 PM to 03 00 PM Where 225 Ritter Hall Add event to calendar vCal iCal Abstract This talk will outline properties of mappings of k dimensional complex projective space ℂ ℙ k that are symmetric products of rational maps of ℂ ℙ 1 Besides describing this construction I will demonstrate that these products can be used to construct nontrivial maps that are strongly post critically finite These maps may also provide an example of an isolated Lattès map in the moduli space of degree d rational maps of ℂ ℙ k I will describe the current state of this problem This is joint work with Thomas Gauthier Université de Picardie Jules Verne and Benjamin Hutz SLU 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 January 2016 January 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/seminars/algebra-seminar/copy2_of_approximations-of-objectcs-by-ideals-of-morphisms-and-phantom-maps?month:int=1&year:int=2016&orig_query= (2016-02-12)

Open archived version from archive - Orbifolds 04 — Department of Mathematics and Computer Science

Topology Seminar Kimberly Druschel What Geometry Topology Seminar When Tue Feb 16 2016 from 11 00 AM to 12 00 PM Where 314 Ritter Hall Contact Name Dr Khan Add event to calendar vCal iCal STANDING REFERENCES FOR SEMINAR Lectures on Orbifolds and Group Cohomology by Ádem Klaus 2011 Orbifolds and Stringy Topology by Ádem Leida Ruan 2007 Three dimensional Orbifolds and Cone manifolds Chapter 2 by Cooper Hodgson Kerckhoff 2000 Lectures on Orbifolds and Reflection Groups by Davis 2011 Oriented Orbifold Vertex Groups and Cobordism and an Associated Differential Graded Algebra by Druschel 2015 Groupoïdes d Holonomie et Classifiants by Haefliger 1984 On a Generalization of the Notion of Manifold by Satake 1956 The Geometry and Topology of Three manifolds Chapter 13 by Thurston 2002 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 29 Upcoming Events Geometry Topology Seminar Tue Feb 16 2016

Original URL path: http://mathcs.slu.edu/virtual_hosting//seminars/orbifolds-04/?searchterm=None (2016-02-12)

Open archived version from archive - Exotic Spheres 05 — Department of Mathematics and Computer Science

Name Dr Khan Attendees rotating presentations by Chirasree Chatterjee Sean Corrigan Gerrit Smith Add event to calendar vCal iCal The primary source is the seminal 1963 differential topology article Groups of homotopy spheres by Michel Kervaire and John Milnor Sean will present Section 4 The goal is to prove Theorem 4 1 For any fixed n 4 there are only finitely many equivalence classes of homotopy n spheres where the equivalence relation is diffeomorphism up to connected sum with those special ones that bound a parallelizable n 1 manifold The seminar s goal is to show a version of Theorem 1 2 For any fixed n 4 there are only finitely many diffeomorphism classes of homotopy n spheres That is by the generalized Poincaré theorem there are only finitely many smooth structures on the standard n sphere Thus Theorem 4 1 reduces us to show that there are only finitely many possibilities for the special ones For continuity here s a link to the previous talk 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

Original URL path: http://mathcs.slu.edu/virtual_hosting//seminars/topology-seminar/exotic-spheres-05/?searchterm=None (2016-02-12)

Open archived version from archive