The submission deadlines for the 2021 SIAM Conference on Applied and Computational Discrete Algorithms (ACDA21) have been updated. The new deadlines are:

March 8, 2021: 10-page Archival Proceedings Papers
March 8, 2021: 2-page Extended Talk Abstracts
March 8, 2021: Poster Abstracts


First SIAM Conference on Applied and Computational Discrete Algorithms (ACDA)
July 19-21, 2021, Online


The SIAM Conference on Applied and Computational Discrete Algorithms is a new conference that brings together researchers who design and study combinatorial and graph algorithms motivated by applications. ACDA is organized by SIAM under the auspices of the SIAM Activity Group on Applied and Computational Discrete Algorithms. ACDA subsumes the long-running series of SIAM Workshops on Combinatorial Scientific Computing, and expands its scope to applications of discrete models and algorithms across all areas in the physical and life sciences and engineering, the social and information sciences, and anywhere discrete mathematical techniques are used to formulate and solve problems in the world. ACDA invites papers on the formulation of combinatorial problems from applications; theoretical analyses; design of algorithms; computational evaluation of the algorithms; and deployment of the resulting software to enable applications.

The conference will include a refereed proceedings and additional submitted talks that are not part of the proceedings. It will also include invited talks, an industrial problem session, a poster session, and one or two minitutorials to introduce general topical areas in applied combinatorics. Awards will be given for best paper, best poster, and best student presentation.


Papers should be submitted electronically via the EasyChair submission system ( There are three types of submissions to ACDA, as follows. We strongly encourage making code and data available as well.


Submissions may be up to 10 pages in length, excluding references, and must present original research that is not published or submitted elsewhere. Submissions will be refereed, and authors will receive reviews and notification of acceptance or rejection by approximately May 5, with final camera-ready copy due June 1. Accepted papers will be included in the proceedings published by SIAM. Submissions should use the LaTeX macros at the bottom of the following web page: An author of an accepted proceedings paper will be expected to register and present the paper at ACDA.
Authors may, at their option, include an appendix containing proofs, details, or additional experimental results. The appendix will be read by the program committee members at their discretion, and will not be included in the proceedings. The main part of the submission should therefore contain a clear technical presentation of the merits of the paper, including a discussion of the paper's importance within the context of prior work and a description of the key technical and conceptual ideas used to achieve its main claims.


ACDA will employ a lightweight double-blind reviewing process for proceedings papers (but not for the other two submission categories). Proceedings submissions should not reveal the identity of the authors in any way. In particular, authors' names, affiliations, and email addresses should not appear at the beginning or in the body of the submission. Authors should ensure that any references to their own related work is in the third person (e.g., not "We build on our previous work ..."; but rather "We build on the work of ..."). The purpose of the double-blind reviewing is to help PC members and external reviewers come to an initial judgment about the paper without bias, not to make it impossible for them to discover the authors if they were to try. Nothing should be done in the name of anonymity that weakens the submission or makes the job of reviewing the paper more difficult. In particular, important references should not be omitted or anonymized. In addition, authors should feel free to disseminate their ideas or draft versions of their paper as they normally would. For example, authors may post drafts of their papers on the web, submit them to arXiv, and give talks on their research ideas. Authors with further questions on double-blind reviewing are encouraged to contact the PC chairs.

We strongly encourage also making code and data available; please keep in mind the double-blind nature of the review process. We recommend including a link to an anonymized version that makes a 'best effort' to avoid revealing the identity of the authors (e.g., using Anonymous Github or an anonymous Dropbox/Google Drive folder)


Submissions are 2-page extended abstracts, are not considered archival publications, and will not appear in the proceedings. Reviewing of extended abstracts will not be double-blind. Authors will be notified of acceptance or rejection by approximately May 5. Rejected extended abstracts may also be considered for poster presentation, unless the author specifies "talk only". Submissions should use the LaTeX macros at the bottom of the following web page: An author of an accepted abstract will be expected to register and present at ACDA. Talks for extended abstracts will be the same length as talks for proceedings papers.

ACDA seeks to cast a wide net for extended abstracts, emphasizing talks that are closely connected to applications. Abstracts may describe work in progress or work of interest to the ACDA community that is being published archivally elsewhere. An abstract should specify the source of the problem it describes: Is it from a paper in the literature? A newly invented problem? From a project or person (in academia, labs, industry) that will use the results in practice? Will the community have access to real or surrogate data for the problem? ACDA welcomes all abstracts, but there will be a preference for work that is motivated by specific real-world problems. ACDA is particularly interested in descriptions of industrial problems and applications.


A poster submission is in the form of a 2-page (maximum) abstract. Posters are not considered archival, and reviewing of posters will not be double-blind. Authors will be notified of acceptance or rejection by approximately May 5.


Topics of interest for ACDA include but are not limited to discrete or combinatorial problems and algorithms arising in:

* Algorithm engineering
* Algorithmic differentiation (AD)
* Combinatorial optimization and mathematical programming, including scheduling and resource allocation problems
* Combinatorial scientific computing (CSC) including models, algorithms, applications, numerical methods, and problems arising in data analysis
* Computational biology and bioinformatics
* Data Management and Data Science
* Design and analysis of application-inspired exact, randomized, streaming, and approximation algorithms
* Graph and hypergraph algorithms, including problems arising in Network Science and Complex Networks
* Interaction between algorithms and modern computing platforms, including challenges arising from memory hierarchies, accelerators, and novel memory technologies
* Machine learning and statistical methods for solving combinatorial problems
* Numerical linear algebra, including sparse matrix computations and randomized approaches
* Parallel and distributed computing, including algorithms, architectures, distributed systems, and all parallelism ranging from instruction-level and multi-core all the way to clouds and exascale
* Other applications arising from security, computational finance, computational chemistry/physics, quantum computing, etc.


* Lenore Cowen (Tufts University)
* Andrew V. Goldberg (Amazon)
* Dorit Hochbaum (University of California, Berkeley)
* Madhav Marathe (University of Virginia)
* Henning Meyerhenke (Humboldt-Universität zu Berlin)
* Uwe Naumann (RWTH Aachen)


* Michael A. Bender (Stony Brook University), co-chair
* John Gilbert (University of California, Santa Barbara), co-chair
* David Bader (New Jersey Institute of Technology)
* Austin Benson (Cornell University)
* Jon Berry (Sandia National Laboratories)
* Aydin Buluc (Lawrence Berkeley National Laboratory)
* Ümit Çatalyürek (Georgia Institute of Technology)
* Tzu-Yi Chen (Pomona College)
* Alex Conway (VMware Research)
* Tim Davis (Texas A & M University)
* Maryam Dehnavi (University of Toronto)
* Lori Diachin (Livermore National Laboratory)
* Anne Driemel (University of Bonn)
* Martin Farach-Colton (Rutgers University)
* Sándor Fekete (TU Braunschweig)
* Assefaw Gebremedhin (Washington State University)
* Phil Gibbons (Carnegie Mellon University)
* Michael Goodrich (University of California)
* Oded Green (NVIDIA)
* Laura Grigori (INRIA)
* Paul Hovland (Argonne National Laboratory)
* Rob Johnson (VMware Research)
* Jeremy Kepner (MIT Lincoln Laboratory)
* Stephen Kobourov (University of Arizona)
* Sherry Li (Lawrence Berkeley National Laboratory)
* Ivana Ljubic (ESSEC Paris)
* Kamesh Madduri (Penn State University)
* Fredrik Manne (University of Bergen)
* Samuel McCauley (Williams College)
* Nicole Megow (University of Bremen)
* Michael Mitzenmacher (Harvard University)
* Jose Moreira (IBM)
* Ben Moseley (Carnegie Mellon University)
* Jelani Nelson (University of California)
* Guillaume Pallez (INRIA)
* Rob Patro (University of Maryland)
* Richard Peng (Georgia Institute of Technology)
* Ali Pinar (Sandia National Laboratories)
* Alex Pothen (Purdue University)
* Emilie Purvine (Pacific Northwest National Laboratory)
* Eva Rotenberg (Technical University of Denmark)
* Peter Sanders (Karlsruhe Institute of Technology)
* TB Schardl (Massachusetts Institute of Technology)
* Julian Shun (Massachusetts Institute of Technology)
* Sabine Storandt (University of Konstanz)
* Yihan Sun (University of California)
* David Tench (Stony Brook University)
* Shanghua Teng (University of Southern California)
* Sivan Toledo (Tel Aviv University)
* Denis Trystam (Grenoble Institute of Technology)
* Rich Vuduc (Georgia Tech)
* Andrea Walther (Humboldt-Universität zu Berlin)
* Ulrike Yang (Livermore National Laboratory)


* Bruce Hendrickson (Lawrence Livermore National Laboratory), co-chair
* Blair Sullivan (University of Utah), co-chair
* Rob Bisseling (University of Utrecht)
* Christine Heitsch (Georgia Institute of Technology)
* Monika Henzinger (University of Vienna)
* Cynthia Phillips (Sandia National Labs)
* Cliff Stein (Columbia University)
* David Williamson (Cornell University)


The following meetings are co-located during the week of July 19-23, 2021:

* SIAM Annual Meeting (AN21)
* SIAM Conference on Applied and Computational Discrete Algorithms (ACDA21)
* SIAM Conference on Control and Its Applications (CT21)
* SIAM Conference on Discrete Mathematics (DM21)
* SIAM Conference on Optimization (OP21)

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