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NA Digest, V. 20, # 35

NA Digest Sunday, September 13, 2020 Volume 20 : Issue 35


Today's Editor:

Daniel M. Dunlavy
Sandia National Labs
dmdunla@sandia.gov

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http://icl.utk.edu/na-digest/


From: Rob H. Bisseling r.h.bisseling@uu.nl
Date: September 11, 2020
Subject: New Book, Parallel Scientific Computation 2nd Edition


Parallel Scientific Computation: A Structured Approach Using BSP,
2nd Ed., by Rob H. Bisseling, Oxford University Press, September 2020.
ISBN 978-0198788348, 416 pages, available as hardback and paperback.

New in this edition:
- sections on sorting, high-performance LU decomposition, fine-grain
and medium-grain sparse matrix partitioning, the hybrid-BSP model
for shared/distributed-memory parallel computing.
- chapter on graph matching.
- many exercises/course projects

All sections have been brought up to date.

Book page at OUP:
https://global.oup.com/academic/product/parallel-scientific-computation-9780198788348

My personal book page with supplementary material (slides, software):
https://webspace.science.uu.nl/~bisse101/Book2/psc2


From: Melina Freitag melina.freitag@uni-potsdam.de
Date: September 06, 2020
Subject: GAMM Applied and Numerical Linear Algebra, ONLINE, Sep 2020


The 20th Workshop of the GAMM Activity Group "Applied and Numerical
Linear Algebra" will take place in a reduced format and online this
year from 24th-25th September:
https://sites.google.com/view/gammanla2020/

Speakers are:
Daniela Calvetti (Case Western University, USA)
Serge Gratton (ENSEEIHT Toulouse, France)
Catherine Powell (University of Manchester, UK)

Titles and Abstracts are available on the website, registration is
still possible.


From: Christian Klingenberg klingen@mathematik.uni-wuerzburg.de
Date: September 13, 2020
Subject: Structure Preserving Methods, Hyperbolic Equations, ONLINE,

Sep-Dec 2020

We are happy to invite you to a series of seminar lectures on
"Structure preserving methods for hyperbolic equations" to be held
Sept. 24 - Dec. 17, 2020 via Zoom, see here
https://ifm.mathematik.uni-wuerzburg.de/~klingen/struct-pres-seminar.html

This series of seminar lectures addresses numerical methods for
hyperbolic partial differential equations that preserve certain
structures. Examples are schemes that preserve involutions
constraints, stationary solutions or asymptotic behavior. The speakers
are: Michael Dumbser (Trento, Italy), Manuel Castro (Malaga, Spain),
Evgeniy Romensky (Novosibirsk, Russia), Philippe Helluy (Strasbourg,
France), Ilyia Peshkov (Trento, Italy), Elena Gaburro (Trento, Italy),
Nicolas Crouseilles (Rennes, France), Carlos Pares (Malaga, Spain),
Gregor Gassner (Cologne, Germany), Wasilij Barsukow (Zurich,
Switzerland), Yann Brenier (Paris, France), Gabriella Puppo (Rome,
Italy), Min Tang (Shanghai, China).

All are welcome to join us via Zoom, please email Christian
Klingenberg at Wuerzburg University (Germany) at
klingen@mathematik.uni-wuerzburg.de to obtain the Zoom address.


From: Felix Kwok felix.kwok@mat.ulaval.ca
Date: September 11, 2020
Subject: Domain Decomposition Methods, ONLINE, Dec 2020


The 26th International Conference on Domain Decomposition Methods
(DD26), organized by the Chinese University of Hong Kong (CUHK), will
now take place ONLINE from December 7 to 12, 2020. To take into
account the various geographical locations of our participants,
plenary talks are scheduled at a time that is reasonable for most time
zones, and parallel sessions are scheduled twice a day in such a way
that participants can attend at least one out of two sessions
comfortably. Also, talks will be recorded for later viewing by other
participants (subject to consent from individual speakers). The full
schedule can be found on the conference website.

Registration is now open. The registration fees are HKD800 (about USD
100) for regular participants, and HKD400 (about USD 50) for
students. The deadline for registration is October 31,
2020. Participants who have previously registered and kept their fees
for 2020 are automatically registered, and they will be contacted for
refund arrangements.

We have reopened the call for minisymposia and contributed
talks. Proposals should be in the form of a plain text e-mail to
dd26@math.cuhk.edu.hk. For minisymposia, please provide a title, a
short description of the subject matter, and a list of speakers for
the minisymposium. For contributed talks, please provide a title an
abstract. The deadline for submitting proposals is October 15, 2020
(extended deadline). Previously accepted minisymposia and contributed
talks are automatically accepted for this round.

For more information about DD26, please see the conference website at
https://www.math.cuhk.edu.hk/conference/dd26/?Conference-Home


From: Sophia Vorderwuelbecke s.vorderwuelbecke18@imperial.ac.uk
Date: September 09, 2020
Subject: SIAM CSE21 Code Generation, ONLINE, Mar 2021


The Firedrake team is proposing a minisymposterium at SIAM CSE21 due
to be held March 1-5 2021. CSE21 will be held at least partly online,
so this is a great opportunity for everyone in the code generation
community to share their work, even if they won't be in Fort Worth in
March. Submitting a poster doesn't count against the one presentation
rule, so please consider submitting even if you are also presenting
elsewhere at the conference. The proposed title and abstract are
Automatic simulation code generation tools and their applications.
Automatic code generation provides a mechanism for creating high
performance simulations using sophisticated numerical methods at
minimal development cost. Tools such as Firedrake, FEniCS, FreeFEM++,
Devito and many others enable developers to work in a highly
productive way at a high level of mathematical abstraction, while
still creating optimised low-level code which is frequently faster
than would have been written by hand. Code generation approaches also
facilitate a separation of concerns in which new numerical methods or
performance improvements become directly available to application
developers without the need for repeated recoding. This
minisymposterium provides the opportunity for developers and users of
code generation frameworks to present recent developments in both the
capabilities and applications of these frameworks. The poster session
will also provide the opportunity for informal exchanges of ideas in
this community, and to support dialog between developers, and existing
and potential users of these frameworks."

To take part in our minisymposterium you will need to fill out the
survey https://imperial.eu.qualtrics.com/jfe/form/SV_efEu8ddYj1nicdv.
The survey helps us to collect poster titles and authors for inclusion
into our proposal.

The proceeding for minisymposteria is the following: 'Participants
must submit their posters using the Conference Management System. The
poster title should be submitted as "Minisymposterium: [insert poster
title]". After the posters are submitted to the Conference Management
System, organizers must submit the minisymposterium proposal form.'
Therefore you will need to fill out our survey by 20th Semptember, one
day before SIAM's deadline for poster submissions.



From: David Knezevic david.knezevic@akselos.com
Date: September 10, 2020
Subject: Simulation Software Engineer Position, Akselos, US-Based


Akselos has an opening for a US-based Simulation Software Engineer
position. The role is focused on development of high-performance
reduced order modeling and FEA-based software for Akselos's advanced
platform for physics-based Digital Twins of critical infrastructure.

The ideal candidate would have the following skills:
- Expert with C++ (Python experience a plus)
- Strong background in scientific computing with C++. Experience with
open-source C++ FEA or CFD libraries is a plus (e.g. libMesh,
Deal.II, DUNE, OpenFOAM, PETSc, OpenFAST etc),
- Experience with development of structural FEA software in a
commercial setting is considered a major plus,
- Familiarity with using or developing wind software (e.g. OpenFAST)
is a plus.

Please see the link below for further details, and to apply:
https://akselos.bamboohr.com/jobs/view.php?id=36



From: Youzuo Lin ylin@lanl.gov
Date: September 10, 2020
Subject: Postdoc Position, Deep Learning, Computational Imaging, LANL


We have an immediate opening for a creative and resourceful
postdoctoral researcher with strong computational skills and
experience in imaging inverse problems and deep learning methods. We
are seeking a highly-motivated individual to join a multidisciplinary
research team consisting of machine learning scientists, computational
scientists and domain experts to conduct cutting-edge machine learning
research for computational imaging, with application to the
subsurface, material, and other scientific domains.

Minimum Job Requirements: Strong computational science and numerical
optimization skills, in particular, computational imaging and inverse
problems; Strong deep learning skills and practical experience in
various neural network architectures (DNN, CNN, RNN/LSTM, GAN, or
other auto-encoder); Practical experience with machine learning
packages such as PyTorch, TensorFlow, Keras, etc.; Code development
and computational experience in using high-performance parallel
computing resources; Solid publication record in high-impact journals,
top-tier machine learning, and related conferences; Excellent
communication, writing, and oral presentation skills; and Strong
programming skills, in Python in particular.

Desired Skills: Demonstrated ability to work creatively and
independently and in a team environment.

Education: A Ph.D. in Computer Sciences, Applied Math, Computational
Sciences, Electrical Engineering, or closely related field is
required. The candidate must have completed all Ph.D. requirements by
the commencement of the appointment and be within 5 years of
completion of the Ph.D.

To apply, please search for IRC81985 under jobs.lanl.gov

Additional information about this position can be obtained by
contacting Dr. Youzuo Lin (ylin@lanl.gov) and Dr. Brendt Wohlberg
(brendt@lanl.gov).



From: Jan Stebel jan.stebel@tul.cz
Date: September 10, 2020
Subject: Postdoc Position, Porous Media Flow and Mechanics, TU Liberec


Technical University of Liberec (Czech Republic) offers a postdoctoral
stay focused on numerical methods for nonlinear hydromechanics in
fractured porous media. The contract is for 6 months starting in
January 2021, deadline for applications is September 30, 2020. For
further information see https://www.tul.cz/document/9092 or contact
Jan Stebel (jan.stebel@tul.cz).

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