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Sage Days are gatherings of people interested in SageMath, from newcomers to contributors. Sage Days are organized by a wide range of people around the globe.
Contents
Upcoming Workshops
Sage Days 127 -- TU Vienna, Austria (February 22-25, 2025); theme: using SageMath for Algebra, Combinatorics, and Probability
General Information
Hosting --- Advice to future hosts
Past Workshops
Sage Days 1: UCSD
Sage Days 2: UW
Sage Days 3: IPAM
Sage Days 4: Seattle
Sage Days 5 -- Computational Arithmetic Geometry: Clay Math Institute, September 30 - October 3, 2007.
Sage Days 6 -- Cryptography, Arithmetic Geometry: Heilbronn Institute, November 10 - 14, 2007.
AMS Booth 2008: -- booth at the AMS meeting in San Diego (coding sprints)
Sage Days 7 -- Combinatorics: -- IPAM, Feb 5--9, 2008.
Sage Days 8 -- Enthought, Austin, Texas, Feb 29--March 4, 2008.
Developer Days 1 (aka Sage Days 8.5) --- UW Seattle, June 13 -- 20, 2008.
Sage Days 9 --- Vancouver, Aug 9 -- 16, 2008.
Scipy 2008 -- Caltech, August 19 -- 24, 2008.
Sage Days 10 --- Nancy (France), Oct 10 -- 15, 2008.
Sage Days 11 -- Austin Texas, November 7 -- 10, 2008.
- Sage Events at the national AMS-MAA joint meeting in Washington DC, Jan 5-8, 2009:
Sage and Mathematical Research -- AMS Special Session.
Sage and Teaching -- MAA Panel discussion on open source software in math education.
Exhibit Booth -- Sage in the exhibition hall.
Sage Days 12 -- San Diego, Wed-Sat, Jan 21--24, 2009.
Sage Days 13 -- Quadratic Forms and Lattices --- Athens, Georgia, Feb 28 -- March 2, 2009.
Sage Days 14 -- MSRI (Berkeley, CA), March 9--12, 2009, Official MSRI Page.
Sage Days 15 -- Seattle, WA, May 16 -- 21, 2009.
Sage Days 16 -- CRM-UPC, Barcelona, June 22--27, 2009.
*-Combinat days or Free and Practical Software for Algebraic Combinatorics, RISC, Linz, Austria, July 25-29, 2009
Sage Days 17 -- Lopez island near Seattle (September 14--20, 2009); theme: Modular forms and L-functions
Sage Days 18 -- Cambridge, MA (December 1-5, 2009); theme: Number theory (funded by the Clay Math Institute and MIT); to include a Sage Education Day on December 5
Sage Days 19 -- Seattle, WA (at Shuey House Mansion, January 16-20, 2010); theme: fixing bugs (funded by the NSF and Stein's startup money)
Sage Days 20 -- Marseille, France (February 22-26, 2010); theme: Combinatorics
Sage Days 20.25 -- Montreal, Canada (March 22-26, 2010); theme: Computer Methods for L-functions and Automorphic Forms
Sage Days 20.5 -- Toronto, Canada (May 3-7, 2010); theme: Algebraic Combinatorics, Representation Theory of Algebras
Sage Days 21 -- Seattle, WA (May 24 - 28); theme: Function fields (funding TBA)
Sage-Combinat / Chevie developers meeting -- Orsay, France (June 14-18, 2010); theme: Combinatorics, Coxeter groups (funded by University of Paris Sud)
Sage Days 22 -- Berkeley, CA (June 21 to July 2, 2010); theme: Elliptic Curves (funded by MSRI)
Sage Days 23 -- Leiden, Netherlands (July 5-9, 2010); theme: Number theory (funded)
Sage Days 23.5 -- Kaiserslautern, Germany (July 14-16, 2010); theme: Singular and Sage (funded by the Singular group)
Sage Days 24 -- Linz, Austria (July 17-22, 2010); theme: Differential Algebra, Special Functions (funded by RISC)
Sage Days 25 -- Mumbai, India (August 9-12, 2010); funded by India
Sage Days 25.5 -- LaCIM, Montréal, Canada (September 1st, 2010); theme: Introduction to Sage and Combinatorics
Sage Days 26 -- Seattle, Washington (December 7-10, 2010); theme: Women in Sage (funded by Microsoft)
Joint Math Meetings 2011 -- New Orleans, LA (January 5-8, 2011); exhibit booth
Sage Days 27 -- Seattle, Washington (January 7-13, 2011); theme: fixing bugs
Sage Days 28 -- Orsay, France (January 17-18, 2011); theme: dynamics and geometry
Sage Days 29 -- Seattle, Washington (March 21-25, 2011); theme: fixing bugs
Sage Days 30 -- Acadia University, Nova Scotia, Canada (May 2-6, 2011); theme: combinatorics
Sage Days 31 -- Seattle, Washington (June 13-17, 2011); theme: Sage Notebook
Sage Education Days 3 -- Seattle, Washington (June 16-18, 2011) (funded by NSF)
Sage Days 32 -- Seattle, Washington (August 21-25, 2011); theme: fixing bugs
Sage Days 33 -- Seattle, Washington (September 19-23, 2011); theme: Women in Sage
Sage Days 34 -- Kaiserslautern, Germany (September 26-30, 2011); theme: Singular and Sage
Sage Days 34.5 -- Bobo Dioulasso, Burkina Faso (October 31-November 04, 2011)
Sage Days 35: Sage-Flint Days, Warwick UK, 17-22 December 2011
Joint Mathematics Meeting Sage Booth, in Boston, MA Jan 4-7, 2011
Sage Short Course at the JMM in Boston, in Boston, MA Jan 2-3, 2011
Sage Days 35.5: January 9-11 2012, Wenham, MA; theme: fixing and reviewing bugs, symbolics, graphics, notebook
Sage-Combinat days in Cernay 2012: February 6-10 2012, Cernay-La-Ville south-west of Paris, France; theme: combinatorics, review and infrastructure
Sage Notebook Days 1: Feb 10-12, 2012, Seattle, Washington
Sage-Combinat Days 35.8: February 8-10, 2012, Hannover, Germany: Sage and the cluster algebra package. Contact: Christian Stump, [email protected]
Sage Days 36: p-adics in Sage, UC San Diego, February 19-23, 2012
Sage Days 36.5: April 17-22, University of Washington, Seattle WA.
Sage Days 37: 28 April 2012, Sookmyung Women's University, Seoul, South Korea.
Sage Days 38: May 7-11 2012, Centre de recherches mathématiques, Montréal, Canada.
Sage Days 39: May 26-27 2012, Kyushu University, Fukuoka, Japan.
SAGE-Combinat Days 40: July 9-13, 2012 at the IMA, in Minneapolis, MN. Contact: Gregg Musiker, [email protected]
Sage Days 40.5: Bug Days: May 24-29 2012, Wallace Falls Lodge, near Seattle WA.
Sage Days 41: Notebook Development, June 11-15, 2012, University of Washington, Seattle.
Sage Days 42: Women in Sage 3, July 15-19, 2012, Wallace Falls Lodge, Seattle, WA.
Sage Days 43 October 29 - November 9, 2012 : Sage days during CIMPA research school at Bobo Dioulasso, Burkina Faso.
Online databases: from L-functions to combinatorics, Edinburgh, Scotland, UK, January 21-25, 2013,
Sage Days 44, University of Wisconsin, Madison, WI, January 31-February 3, 2013
Sage Days 45: Multiple Dirichlet series, combinatorics, and representation theory, ICERM, Brown, RI, February 11-15, 2013
Sage Days 46: Computational number theory, Hawaii, February 26-March 2, 2013
Sage Days 47: Transitioning to Git, March 25-29, 2013, Portland State University
Semester Program on "Automorphic Forms, Combinatorial Representation Theory and Multiple Dirichlet Series", ICERM, Brown, RI, January 28, 2013 - May 3, 2013
FLINT Developers Meeting, Warwick University, UK, May 4-May 12, 2013
Sage Day 47.5, Montreal, May 28, 2013
Sage Days 48, Notebook Dev (June 17-21, 2013), Univ of Washington, Seattle
Sage Days 49: Free and Practical Software for (Algebraic) Combinatorics (satellite of the FPSAC conference), Paris, France, June 17-21, 2013
Sage Days 50: Women in Sage 4, Seattle, July 10 - 15, 2013
Sage Days 51: Algorithms in Arithmetic Geometry (July 22-26, 2013), Lorentz Center (Leiden, the Netherlands)
Sage Days 52: Arithmetics over DVR (e.g. p-adics), September 2-6, 2013, Université Rennes 1, France
Sage Days 53 Computational Number Theory, Geometry, and Physics, September 23-29 2013, University of Oxford
Sage Days 53.5 October 5 2013, Shinshu University, Japan.
Sage Days 54 Sage Developer Days, November 4-8, 2013, University of California Davis
Sage Days 55 Arithmetic and Complex Dynamics, November 7-10, 2013, Florida Institute of Technology, Melbourne, FL.
Sage Days 56: Computational Number Theory and the Cloud, January 2-7, 2014, Hawaii.
Sage Days 57: Sage-Combinat Days in Cernay-la-Ville, near Paris, France (April 6-12, 2014).
Sage Edu Days 6: University of Washington, Seattle (June 16-18, 2014).
Sage Days 58: Sage on the Web, University of Washington, Seattle (June 16-20, 2014).
Sage Days 59: Bugs Days, Seattle (June 21-30, 2014).
Sage Days 60: Combinatorics and Representation Theory (August 14-17, 2014), The Institute of Mathematical Sciences, Chennai, India.
Sage Days 61: Quaternion Orders and Brandt Modules (August 25-29, 2014), Copenhagen, Denmark. -- official website
Sage Days 62: Women In Sage 5 (July 28-August 1, 2014), Portland, Oregon.
Sage Grant Days 62.5: Preparatory meeting for a Sage Ecosystem H2020 European grant application (Sept 8-9, 2014), Université Paris Sud, France
Sage Days 63: (Oct 12-13, 2014), Shinshu university, Matsumoto, Japan.
Sage Days 64: Sage days on algebraic combinatorics (March 17-20, 2015), UC Davis, California.
Sage Days 64.25: (May 23-27, 2015) Sage Days in San Diego. Contact: William Stein, [email protected]
Sage Days 64.5: June 1-5, 2015) Cluster Algebras at IMA, in Minneapolis, MN. Contact: Gregg Musiker, [email protected]
Sage Days 65: (June 8-12, 2015) Crystals for (affine) Lie algebras, and combinatorial Hopf algebras, Loyola University Chicago -- official website
Sage Days 66: Sage Days (March 30 - April 2nd, 2015), Université de Liège, Belgium. Contact: Sébastien Labbé
Sage Days 67: (April 13-16 2015) satellite event of PyCon 2015, Montreal. Contact: Viviane Pons [email protected]
Sage Days 68: (August 21-27, 2015) Bug Days, San Juan Islands. Contact: William Stein, [email protected]
Sage Days 69: (September 4-9, 2015) Women in Sage 6, San Diego. Contact: Jennifer Balakrishnan, [email protected]
Sage Days 70: (November 9-13, 2015, Berkeley) Sage, SageMathCloud and Jupyter
First joint GAP-Sage days (Sage Days 70.5) -- St Andrews (Scotland), 2016-01-18 -- 2016-01-22.
Sage Days 71: (March 20-24, 2016, Oxford) Explicit p-adic methods in number theory
Sage Days 72: (May 21-22, Prague, Czech Republic) Satellite event of Numeration 2016
Sage Days 73: (May 04-07, 2016, Oaxaca (Mexico)) Translation surfaces
Sage Days 74: (May 30 - June 02, 2016, CIAS, Meudon, France) Differential geometry and topology
Sage Days 75: (August 22-26, 2016, Inria Saclay, Polytechnique Campus, Palaiseau, France) Algorithmic Coding Theory
Sage Days 77: (April 04-08, 2016. Cernay, Paris area, France). Sage developer days on packaging, portability, documentation tools.
Sage Days 78: (June 29 - July 1, Vancouver, BC Canada) Combinatorics, satellite to FPSAC2016
Sage Days 79: (November 21-24, 2016, Jerusalem, Israel) Combinatorics and more, first Sage Days in Israel
Sage Days 80: (April 07-12, 2016. Berlin, Germany). 5 days coding spring on reflection groups
Sage Days 81: (August 14-25, 2016, Hawaii) Improving SageMath
Sage Day 81.5: (October 26, 2016, University of California, Davis)
Sage Days 82: (January 9-13, 2017, Paris area, France) Women in Sage
Sage Days 83: (October 31 -- November 4, 2016, Marrakech, Morocco), Combinatorics, Knot Theory
Sage Days 84: (February 27 - March 12, 2017, Olot, Spain) polytopes
Sage Days 85: (March 13-17 2017, Cernay, France) Sage GAP developers days on packaging, portability, documentation tools
Sage Days 86: (April 17-21, 2017, CRM, Montréal, Canada) Algebra and Words in Combinatorics
Sage Days 86.5: (June 5-9, 2017, Simon Fraser University, Burnaby, Canada) PIMS Workshop on Computational Arithmetic Geometry
Sage Days 87: (July 17-22, 2017, UVM, Burlington, VT, USA) p-adics in Sage and the LMFDB
Sage Days 88: August 21-25, 2017) Opening Workshop for a Year of Coding Sprints at the IMA, in Minneapolis, MN. Contacts: Ben Brubaker, [email protected] or Gregg Musiker, [email protected]
Sage Days 90: (October 22-25, 2017, Harvey Mudd College, Claremont, CA) Women in Sage
Sage Days 91: (September 29 - October 1, 2017, BIRS, Banff, CA) Open Source Computation and Algebraic Surfaces
Sage Days 92: (January 22--26, 2018, UNAM Morelia, Michoacán, Mexico)
Sage Days 93: (February 19 -- March 4, Olot, Spain)
Sage Days 93.5: (May 28 -- June 1, Saint Flour, France) seconde semaine de l'école MathExp2018
Sage Days 93.51: (May 28 -- June 1, 2018, Berlin, Germany) 5 days coding spring on reflection groups.
Sage Days 93.52: (June 15, 18, 22, Grenoble, France) Teichmüller theory
Sage Days 94: (June 28-July 4, 2018, Zaragoza, Spain) School on Sage development.
Sage Days 95: (July 9--13, 2018, Montréal, Canada) Women in Sage
SageDays@ICERM: (July 23--27, 2018, Providence, RI, USA) Combinatorics and Representation Theory
Sage Days 96: (August 13--16, Fields Institute, Toronto, Canada) Surface geometry and dynamics, Teichmüller theory
Sage Days 97: (24--28 September 2018, FAMNIT, U Primorska, Koper, Slovenia) Software tools for mathematics
Free computational mathematics -- Calcul mathématique libre -- February 11--15, 2019
Sage Days 98 -- Women in Sage April 8 - 12, 2019 Archanes, Crete
Sage Days 99 -- SageMath and Macaulay2 - An Open Source Initiative: Institute for Mathematics and its Applications, Minneapolis, July 22-26, 2019.
Sage Days 100 -- Geometry and dynamics of surfaces June or July 2019, MPI Bonn Germany
Sage-GAP Days 101: (June 17-21 2019, Cernay, France) Sage GAP developers days on packaging, portability, interfaces and documentation tools
Sage Days 102 - University of Ibadan: (July 15-19, 2019, Ibadan, Nigeria) Sage Days Nigeria
Women in Sage: Sage Days 103: August 7-9, 2019, St. Louis Missouri
Sage Days 105 -- Free and Practical Software for Algebraic Combinatorics'19: (July 8--12, 2019, University of Ljubljana, Slovenia)
Sage Days 104: Arithmetic Dynamics: November 17-20, 2019, St. Louis University, Saint Louis, MO
Sage Days 105 -- Sage working group at "Illustrating Mathematics" Fall 2019 program, ICERM, Providence, USA
Sage Days 106 -- Orsay, France, 02--06 Jan 2020
Sage Days 107 -- Paris or Orsay, France, 17--21 Feb 2020
Sage Day 108 (canceled) -- Bar-Ilan University, Israel, 12 July 2020
Global Virtual SageDays 109 -- May 28, 2020 (all timezones), fully online
Global Virtual Sage Days 110 -- October 29-30, 2020 (all timezones), fully online
Sage Days 111 - Global Virtual Sage Modularization and Packaging Summit -- December 8-11, 2020, fully online
Sage/Oscar Days 111.5 for Combinatorial Algebraic Geometry -- February 15-19, 2021, fully online
Sage Days 112 Online -- February to March 2021, online
Sage Days 115 -- flatsurf Sage Days in Bordeaux, France, 2022-04-13--2022-04-16
Global Virtual Sage Days 112.358 -- June 2, 2022 (all timezones) = June 1-3, 2022, fully online
Sage Days Duluth (low-dimensional topology) — University of Minnesota, Duluth, June 6–9, 2022
Sage Days 112.5 -- Sage Days IMAG/LIRMM, Montpellier, France, 2022-06-13--2022-06-15
Sage Days 113 -- Symbolic Computation: Algorithms, Learning and Engineering - Gebze Technical University, Istanbul, Turkey, August 10–14, 2022
Sage Days 114 — The Institute of Mathematical Sciences, Chennai, India, July 25–27, 2022
Sage Days 116 — South Korea, December 27-30, 2022
Sage Days 117 — combinatorics, number theory, dynamical systems and geometry, February 6-10, 2023, Le Teich, near Bordeaux, France
Sage Days 120 — hybrid online and co-located with FPSAC, July 16–21, 2023, Davis, Calif., USA
Sage Days 121 - Women in Sage - September 4-8, 2023, Makerere University , Kampala - Uganda
Sage Days 122 — Chennai Mathematical Institute, September 7-10, 2023, Chennai, India
Sage Days 123 — I-Sage-ny Days, January 17-19, 2024, Leuven (Belgium)
Sage Days 124.7 — Sessions at the 8th International Congress on Mathematical Software, July 22-25, 2024, Durham (UK)
Sage Days 125 — combinatorics, number theory, dynamical systems and geometry, January 29th - February 1st, 2024, Le Teich, near Bordeaux, France
Sage Days 126 — Chennai, India, August 31 - September 2, 2024
Bug Days
These lasted from late 2007 to early 2009. Sage Days 40.5 was Bug Days 19 (which was in 2012). As you probably then can see, these aren't hosted anymore. We worked on finishing Trac tickets most of the time during these days. "Sage Days" are what we now call them: in addition to working on tickets, we also tend to have presentations.
Doc Days
Review Days
Review Days 2: March 17-22, University of Washington, Seattle WA.
Review Days 3: (February 7, 2017, Online event) Coding Theory
Education Days
Sage Education Days 3 -- University of Washington, Seattle (June 16-18, 2011) (funded by NSF Division of Undergraduate Education)
Sage Education Days 4 -- University of Washington, Seattle (June 13-15, 2012) (funded by NSF Division of Undergraduate Education)
Sage Education Days 5 -- University of Washington, Seattle (June 19-21, 2013) (funded by NSF Division of Undergraduate Education)
Sage Education Days 6 -- University of Washington, Seattle (June 16-18, 2014) (funded by NSF Division of Undergraduate Education)
Non-SageDays workshops/events that involved/impacted Sage
Workshop on Algorithms in Number Theory and Arithmetic Geometry, July 31 - August 4, 2017
Sage-Combinat Workshop in Orsay, January 26-30, 2009
MSRI Workshop on Modular Forms, Berkeley, CA, July 31 -- Aug 11, 2006
MSRI Workshop on Interactive Parallel Computation, Berkeley, CA, Jan 29 -- Feb 2, 2007
Jupyter days (January 10th-16th of 2017, ICMS, Edinburgh) Computational Mathematics with Jupyter
Workshop on interfacing (math) software with low level libraries: (April 30th-May 4th, Cernay near Paris, France)