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 * Ponies (Patrick)

Sage Days 55: Arithmetic and Complex Dynamics

November 7–November 10, 2013, Florida Institute of Technology, FL

This is a 4-day workshop that will include a combination of mathematical talks, Sage tutorials, and Sage development. The main goal is to promote and improve the dynamical systems functionality in Sage. Some base functionality for dynamical systems has been implemented for Sage, beginning at ICERM in Spring 2012. There remains a significant amount of work to be done, ranging from reviewing patches, migrating stand-alone algorithms into Sage, implementing existing algorithms, and many more activities. Users new to Sage and Sage development are welcome.

See the wiki page for information on the current status of Arithmetic and Complex Dynamics in Sage.

Registration

Registration is free. There is limited funding for travel and lodging. Please contact Ben Hutz at BHutz (at) FIT.edu to register. Please indicate if you will be requesting funding.

Schedule

The workshop will consist of tutorials and talks in the mornings and working groups in the afternoons. Conference activities will begin Thursday morning and conclude Sunday afternoon.

Thursday, November 7 (building Quad 406)

9:00am-10:00am

Welcome and Sage installation help

10:00am-11:00am

Tutorial I: Adam Towsley: Installing Sage and Patches

11:00am-11:30am

Break

11:30am-12:30pm

Tutorial II: Hao Chen: Introduction to Sage and the Notebook

12:30pm-2:00pm

Lunch

2:00pm-3:00pm

Ben Hutz: The state of arith and compl dyn in Sage slides , sws

3:00pm-3:30pm

Break

3:30pm-4:30pm

Project selection

4:30pm-6:00pm

Project work time

6:00pm

Status updates

Friday, November 8 (building Quad 406)

9:00am-10:00am

Tutorial III: Ben Hutz: Python introduction slides

10:00am-11:00am

Tutorial IV: Ben Hutz: Contributing to Sage slides

11:00am-11:30am

Break

11:30am-12:30pm

Talk: David Krumm

12:30pm-2:00pm

Lunch

2:00pm-3:00pm

Tutorial V: Adam Towsley: Reviewing a patch

3:00pm-3:30pm

Break

3:30pm-6:00pm

Project work time

6:00pm

Status updates

Saturday, November 9 (building Quad 405)

Coffee break at 11am and 3pm

9:00am-10:00am

Talk: Vincent Delecroix - how to use C in Sage/Python

beamer data

10:00am-12:30pm

Project work time

12:30pm

Status Updates

12:30pm-2:00pm

Lunch

2:00pm-3:00pm

Talk: Patrick Ingram

3:00pm-6:00pm

Project work time

6:00pm

Status updates

Sunday, November 10 (building Quad 405)

Coffee break at 11am

9:00am-10:00am

Talk: Holly Krieger - Arithmetic of forward orbits and recurrence

10:00am-12:30pm

Project work time

12:30pm

Final Status Updates

Projects

  • Minor Bug Fix - Ben Hutz - (#15377, positive review) - improve documentation of normalize_coordinates()

  • MacCaulay Resultant - Patrick Ingram, Soli Vishkautsan, Hao Chen, Done for universal polynomials--11/8

  • Krumm-Doyle Small Points Algorithm - Review #15389 - David Krumm, John Doyle

  • Bruin-Molnar Algorithm into a patch - Adam Towsley, Brian Stout, Holly Krieger
  • Global height for integer fix (#15373 and #15376, positively reviewed) and canonical heights for points in number fields - Paul Fili

  • FMV Algorithm into a patch - Bianca Thompson, Ben Hutz, Joao Faria
  • Review #14219 - Adam Towsley, Vincent Delecroix, Ben Hutz

  • Eigenvalues (see #14990 and #15390) for an implementation of the algebraic closure of finite field) - Vincent Delecroix , Ben Hutz

  • PostCriticallyFiniteMorphisms - Holly Krieger, Adam Towsley, Vincent Delecroix, Ben Hutz

  • Lattes map from an Elliptic Curve - Patrick Ingram
  • Composition of Morphisms (#15378) - Vincent Delecroix, Donald Richardson, Soli Vishkautsan

  • Bug fix: log of NaN in RealField and ComplexField results in infinite loop. We have posted a fix here: #15388 (needs review) - Paul Fili, Adam Towsley

  • Enabled canonical height for maps of P1 over number fields. Here is an early draft worksheet: sws

Wishlist

  • Check if for a given parameter c the map z -> z^2 + c is hyperbolic... and more generally for rational of P1 existence of attracting cycles

  • is_conjugate() for morphisms
  • Implement .an_element() for ProjectiveSpace (it currently makes the TestSuite fails)

  • Ponies (Patrick)
  • PLEASE ADD MORE...

Location

Florida Institute of Technology, Melbourne, FL.

Participants

  • Hao Chen - University of Washington
  • Joao de Faria - Florida Institute of Technology
  • Vincent Delecroix - Univ. Paris VII, France
  • John Doyle - University of Georgia
  • Paul Fili - Oklahoma State
  • Benjamin Hutz - Florida Institute of Technology
  • Patrik Ingram - Colorado State University
  • Holly Krieger - Massachusetts Institute of Technology
  • David Krumm - University of Georgia
  • Donald Richardson - Florida Institute of Technology
  • Brian Stout - US Naval Academy
  • Bianca Thompson - University of Hawaii
  • Adam Towsley - CUNY Graduate Center
  • Soli Vishkautsan - Ben-Gurion University, Israel

Organizers

  • Benjamin Hutz, Department of Mathematical Sciences, Florida Institute of Technology
  • Adam Towsley, Ph.D. Program in Mathematics, CUNY Graduate Center

Lodging

Housing will be provided close to campus at the Hilton Melbourne Rialto Place for invited participants. The hotel provides breakfast and transportation to and from the airport and campus.

Last Updated

8/14/2013

sagedaysACD (last edited 2013-12-10 11:26:20 by bhutz)