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BEGIN:VEVENT
SUMMARY:N/A
DTSTART:20220601T100000Z
DTEND:20220601T144500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/1
DESCRIPTION:Title: Self-organized SageMath coding sprints\nby N/A as part o
f Global Virtual SageDays 112.358\n\nAbstract: TBA\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/1/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Ingo Dahn (VCRP)
DTSTART:20220603T110000Z
DTEND:20220603T120000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/2
DESCRIPTION:Title: Teaching with SageMath - a German Higher Education Perspecti
ve\nby Ingo Dahn (VCRP) as part of Global Virtual SageDays 112.358\n\n
\nAbstract\nSageMath - and similar systems - are currently used for teachi
ng at German universities just by a few pioneers. The talk explains the pa
rticular reasons for this situation and analyzes\, which properties of the
SageMath ecosystem\, with SageMath\, SageCell\, CoCalc and Docker-CoCalc\
, facilitate a further uptake. The Virtual Campus of the German Land Rhine
land-Palatine (VCRP) is determined to support the use of the potential of
digital media for the improvement of teaching and learning at the public u
niversities of the land. In particular\, some SageMath-based services are
provided to support the work of the aforementioned pioneers\, to learn fro
m their experiences and to lower the barriers for other staff members for
realizing SageMath’s potential for innovative STEM teaching. These servi
ces\, some of which are available as Open Educational Resources\, will be
described in the talk. Finally\, some improvements for SageMath are sugges
ted that would further ease its use for teaching.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/2/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Kwankyu Lee (organizer)
DTSTART:20220602T060000Z
DTEND:20220602T090000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/3
DESCRIPTION:Title: Meeting of Sage users in Korea\nby Kwankyu Lee (organize
r) as part of Global Virtual SageDays 112.358\n\nAbstract: TBA\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/3/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Sébastien Labbé and others
DTSTART:20220602T080000Z
DTEND:20220602T100000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/4
DESCRIPTION:Title: Sage Thursdays in Bordeaux\nby Sébastien Labbé and oth
ers as part of Global Virtual SageDays 112.358\n\nAbstract: TBA\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/4/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Blaec Bejarano\, Harald Schilly\, Hal Snyder and William Stein (S
ageMath\, Inc.)
DTSTART:20220601T150000Z
DTEND:20220601T154500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/5
DESCRIPTION:Title: Ways to Use Sage in CoCalc\nby Blaec Bejarano\, Harald S
chilly\, Hal Snyder and William Stein (SageMath\, Inc.) as part of Global
Virtual SageDays 112.358\n\n\nAbstract\nWe will give a demo of many diffe
rent ways to use SageMath from within the collaborative computing platform
https://CoCalc.com. These include Jupyter notebooks\, the command line\,
editing .sage files\, SageTex (as part of LaTeX)\, Sage worksheets\, RMar
kdown\, and whiteboards.\n\nWe will also talk about how to do collaborativ
e Sage development in CoCalc.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/5/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Steven Diamond (Gridmatic)
DTSTART:20220601T160000Z
DTEND:20220601T163000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/6
DESCRIPTION:Title: CVXPY\nby Steven Diamond (Gridmatic) as part of Global V
irtual SageDays 112.358\n\n\nAbstract\nCVXPY is a domain-specific language
for convex optimization embedded in Python. It allows the user to express
convex optimization problems in a natural syntax that follows the math\,
rather than in the restrictive standard form required by solvers. CVXPY ha
s been used in hundreds of research projects and by Fortune 500 companies.
In this talk\, we will show how easy it is to formulate and solve optimiz
ation problems with CVXPY through example applications in finance and rene
wable energy. We will also highlight exciting recent work building on CVXP
Y.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/6/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Julian Hall (University of Edinburgh)
DTSTART:20220601T164500Z
DTEND:20220601T173000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/7
DESCRIPTION:Title: HiGHS: The world's best open-source linear optimization soft
ware - coming to SageMath!\nby Julian Hall (University of Edinburgh) a
s part of Global Virtual SageDays 112.358\n\n\nAbstract\nHiGHS is open-sou
rce linear optimization software developed by Hall and Edinburgh PhD stude
nts over the past six years. It solves large-scale sparse linear programmi
ng (LP) problems (using simplex and interior point methods)\, mixed-intege
r programming (MIP) problems and quadratic programming (QP) problems. Its
overall performance on Mittelmann's benchmarks places it clearly ahead of
any other open-source linear optimization software. This talk will introdu
ce some of the techniques underpinning HiGHS\, the environment in which it
can be used\, and its performance. In the world of software interfaces\,
HiGHS provides the LP and MIP solvers in the SciPy system\, and is the ope
n-source solver of choice in the popular modern Julia-based modelling and
optimization system JuMP. The prospects for its integration into SageMath
will be discussed.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/7/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Nina Miolane (UC Santa Barbara)
DTSTART:20220601T180000Z
DTEND:20220601T184500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/8
DESCRIPTION:Title: Geomstats – a Python package for differential geometry in
statistics and machine learning\nby Nina Miolane (UC Santa Barbara) as
part of Global Virtual SageDays 112.358\n\n\nAbstract\nWe introduce Geoms
tats\, an open-source Python package for computations and statistics on no
nlinear manifolds that appear in machine learning applications\, such as:
hyperbolic spaces\, spaces of symmetric positive definite matrices\, Lie g
roups of transformations\, and many more. We provide object-oriented and e
xtensively unit-tested implementations. Manifolds come equipped with famil
ies of Riemannian metrics with associated exponential and logarithmic maps
\, geodesics\, and parallel transport. Statistics and learning algorithms
provide methods for estimation\, clustering\, and dimension reduction on m
anifolds. All associated operations provide support for different executio
n backends — namely NumPy\, Autograd\, PyTorch\, and TensorFlow. This ta
lk presents the package\, compares it with related libraries\, and provide
s relevant examples. We show that Geomstats provides reliable building blo
cks to both foster research in differential geometry and statistics and de
mocratize the use of (Riemannian) geometry in statistics and machine learn
ing. The source code is freely available under the MIT license at https://
github.com/geomstats/geomstats.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/8/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Linden Disney-Hogg (U. Edinburgh)
DTSTART:20220602T160000Z
DTEND:20220602T163000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/9
DESCRIPTION:Title: Sage GSoC 2021 report: Rigorous integration and the Abel-Jac
obi map\nby Linden Disney-Hogg (U. Edinburgh) as part of Global Virtua
l SageDays 112.358\n\n\nAbstract\nThe Abel-Jacobi map is an important cons
truction in algebraic geometry\, including its application to the theory o
f integrable systems. I will give an overview of a recent implementation o
f the map in Sage\, including some work on improving the integration requi
red\, highlighting current uses and future extensions.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/9/
END:VEVENT
BEGIN:VEVENT
SUMMARY:David Ayotte (Concordia U.)
DTSTART:20220602T163000Z
DTEND:20220602T170000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/10
DESCRIPTION:Title: Sage GSoC 2021 report: Implementation of the Graded Ring of
Quasimodular Forms\nby David Ayotte (Concordia U.) as part of Global
Virtual SageDays 112.358\n\n\nAbstract\nThe goal of this talk is to explai
n how quasimodular forms were implemented into SageMath. We will first giv
e a brief review of the theory of (quasi)modular forms and we will explain
how the implementation works. Next a quick demo will be showcased. Lastly
\, further developments to the code will be discussed.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/10/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Trevor Karn (U. Minnesota)
DTSTART:20220602T170000Z
DTEND:20220602T173000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/11
DESCRIPTION:Title: Sage GSoC 2021 report: G-invariants of the Orlik-Solomon an
d Orlik-Terao algebras\nby Trevor Karn (U. Minnesota) as part of Globa
l Virtual SageDays 112.358\n\n\nAbstract\nIn this talk I will give example
s and a description of how we implemented G-invariants of a finite group G
in Sage. Specific examples will include the Orlik-Solomon algebra of a ma
troid which was the motivating example for the project.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/11/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Fredrik Johansson
DTSTART:20220602T190000Z
DTEND:20220602T194500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/12
DESCRIPTION:Title: FLINT: Fast Library for Number Theory\nby Fredrik Johan
sson as part of Global Virtual SageDays 112.358\n\n\nAbstract\nFLINT is a
C library used in Sage and several other projects to provide fast arithmet
ic in various rings as well as efficient implementations of number theoret
ic functions. This talk will give an overview of FLINT and some descendant
s projects (Antic\, Arb\, Calcium)\, present recent work\, and discuss ong
oing and future development.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/12/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Aaron Meurer\, Oscar Benjamin (Quansight)
DTSTART:20220602T200000Z
DTEND:20220602T204500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/13
DESCRIPTION:Title: SymPy\nby Aaron Meurer\, Oscar Benjamin (Quansight) as
part of Global Virtual SageDays 112.358\n\n\nAbstract\nThis talk will go o
ver the SymPy library\, some of the recent developments\, and plans for th
e future.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/13/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Gereon Kremer (Stanford University)
DTSTART:20220602T210000Z
DTEND:20220602T214500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/14
DESCRIPTION:Title: Satisfiability Modulo Theories for Arithmetic Problems\
nby Gereon Kremer (Stanford University) as part of Global Virtual SageDays
112.358\n\n\nAbstract\nSatisfiability Modulo Theories (SMT) solving has g
rown to be a very successful solving paradigm\, powering software and hard
ware verification\, symbolic execution\, test-case generation\, synthesis\
, planning\, scheduling and optimization tasks. One of the theories in SMT
solving is nonlinear real arithmetic which opens immediate connections to
the computer algebra community that has long known this theory as the the
ory of the reals.\nThis talk presents approaches for this theory that are
used in the SMT community and discusses some existing and possible future
collaboration between the SMT and computer algebra communities.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/14/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Matthias Köppe (organizer)
DTSTART:20220602T220000Z
DTEND:20220602T224500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/15
DESCRIPTION:Title: Symbolics discussion\nby Matthias Köppe (organizer) as
part of Global Virtual SageDays 112.358\n\nAbstract: TBA\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/15/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Vincent Delecroix\, Jonathan Kliem\, Matthias Köppe (organizers)
DTSTART:20220601T190000Z
DTEND:20220601T200000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/16
DESCRIPTION:Title: Sage user packages: Packaging\, continuous testing\, and in
tegration in the Sage distribution\nby Vincent Delecroix\, Jonathan Kl
iem\, Matthias Köppe (organizers) as part of Global Virtual SageDays 112.
358\n\n\nAbstract\nDiscussion and hands-on activity (bring your packages!)
\n\nJonathan Kliem will give a demo on using cibuildwheel to automatically
build wheels for many platforms.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/16/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Matthias Köppe (UC Davis)
DTSTART:20220601T200000Z
DTEND:20220601T204500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/17
DESCRIPTION:Title: The way to a fully modularized Sage library 10.0\nby Ma
tthias Köppe (UC Davis) as part of Global Virtual SageDays 112.358\n\n\nA
bstract\nIn May 2020\, I proposed to modularize the Sage library into sepa
rate pip-installable distributions by means of PEP 420 implicit namespace
packages. I will give an overview of the status of this project 2 years an
d 200 Trac tickets later\, and give a roadmap to the completion of the pro
ject as the proposed milestone goal for Sage 10.0.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/17/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Tiantian Liu (Taichi Graphics)
DTSTART:20220602T070000Z
DTEND:20220602T074500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/18
DESCRIPTION:Title: A hands-on tutorial of the Taichi Programming Language\
nby Tiantian Liu (Taichi Graphics) as part of Global Virtual SageDays 112.
358\n\n\nAbstract\nIn this talk\, we will deliver a hands-on tutorial on T
aichi programming language -- a new programming language designed for perf
ormance-aware computer graphics developers. Taichi was designed with produ
ctivity and portability in mind: Taichi programmers code in a Python-like
syntax\, and then the Taichi compiler emits high-performance executable ke
rnels on CPUs (e.g.\, x64\, ARM64) and GPUs (e.g.\, CUDA\, Apple Metal\, a
nd OpenGL). We will systematically cover the Taichi concepts such as its b
asic syntax\, defining data structures\, writing high-performance Taichi k
ernels\, differentiable programming\, and debugging etc. We will also talk
about programming tools to improve the reusability of Taichi programs. We
hope Taichi and this 45-minute presentation can reduce the engineering bu
rden on both beginner coders\, as well as experienced practitioners in hig
h-performance software development.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/18/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Hao Chen (Universität Göttingen)
DTSTART:20220602T110000Z
DTEND:20220602T120000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/19
DESCRIPTION:Title: Why I turned to Mathematica (sorry) to plot minimal surface
s\nby Hao Chen (Universität Göttingen) as part of Global Virtual Sag
eDays 112.358\n\n\nAbstract\nI will introduce the general procedure to plo
t minimal surfaces from Weierstrass data. For this purpose\, I will presen
t two examples from recent works: One is a deformation of the Gyroid\, the
other is related to vortices in 2D fluids. As a former Sage user\, I had
to turn to Mathematica for this task because of the heavy use of special f
unctions and numeric integrals. In the future\, I would like to see an ope
n-source implementation of the procedure with a performance comparable to
Mathematica.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/19/
END:VEVENT
BEGIN:VEVENT
SUMMARY:William Stein\, Eric Gourgoulhon\, John Cremona\, Karl-Dieter Cris
man\, Samuel Lelièvre (prize committee)
DTSTART:20220602T144500Z
DTEND:20220602T151500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/20
DESCRIPTION:Title: Award ceremony: Annual Spies SageMath Development Prize
\nby William Stein\, Eric Gourgoulhon\, John Cremona\, Karl-Dieter Crisman
\, Samuel Lelièvre (prize committee) as part of Global Virtual SageDays 1
12.358\n\nAbstract: TBA\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/20/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Yuan Zhou (organizer)
DTSTART:20220602T173000Z
DTEND:20220602T180000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/21
DESCRIPTION:Title: SageMath Google Summer of Code panel\nby Yuan Zhou (org
anizer) as part of Global Virtual SageDays 112.358\n\n\nAbstract\nThe Sage
Math project is again a mentoring organization in the Google Summer of Cod
e program for 2022. Some of last year's participants and some mentors will
serve on a panel to answer questions from our new cohort of GSoC particip
ants and other people interested in the program.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/21/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Yuan Zhou (U. Kentucky)
DTSTART:20220602T180000Z
DTEND:20220602T184500Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/22
DESCRIPTION:Title: Solid angles of polyhedral cones via decompositions and pow
er series\nby Yuan Zhou (U. Kentucky) as part of Global Virtual SageDa
ys 112.358\n\n\nAbstract\nThis work concerns the normalized solid angle me
asure of a polyhedral cone. This is well understood in dimensions two and
three. For higher dimensions\, the measure can be computed via a multivari
able hypergeometric series. This series serves as a powerful tool\, allowi
ng one to compute the solid angle measure of a simplicial cone of interest
\, so long as it satisfies a certain condition relating to positive-defini
teness. We present two decomposition methods of full-dimensional simplicia
l cones into finite families of cones satisfying the positive-definite cri
terion. We present the SageMath implementation of the proposed solid angle
computations. This is a joint work with Allison Fitisone.\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/22/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Jean-Philippe Labbé
DTSTART:20220601T144500Z
DTEND:20220601T150000Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/23
DESCRIPTION:Title: Introduction to SageMath and the Global Virtual SageDays\nby Jean-Philippe Labbé as part of Global Virtual SageDays 112.358\n\nA
bstract: TBA\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/23/
END:VEVENT
BEGIN:VEVENT
SUMMARY:N/A
DTSTART:20220601T210000Z
DTEND:20220601T235900Z
DTSTAMP:20260404T094835Z
UID:SageDays112358/24
DESCRIPTION:Title: Self-organized SageMath ticket review session\nby N/A a
s part of Global Virtual SageDays 112.358\n\n\nAbstract\nAll code contribu
tions to SageMath are peer-reviewed. \n\nIn this session\, participants ar
e invited to review some of the open tickets listed at https://trac.sagema
th.org/report/75?max=500\n
LOCATION:https://stable.researchseminars.org/talk/SageDays112358/24/
END:VEVENT
END:VCALENDAR