Logic-MLの皆さま、
愛媛大学の藤田です。
京都大学数理解析研究所にて毎年秋に開催しております集合論の研究集会 (RIMS Set Theory Workshop) について、先日ご連絡いたしましたとおり、今年は Large Cardinals and the Continuum という表題のもと、10月24日(火) から 27日(金) にかけて、対面とZoomによるリモートのハイブリッド形式で開催することとなりました。
さて、このたび、この研究集会のウェブページを開設いたしましたのでお知らせします。
https://tenasaku.com/RIMS2023/
研究集会に関する連絡事項を今後こちらに掲載してまいります。
お知り合いの皆さまにお知らせいただければ幸いです。
今後ともよろしくお願いいたします。
藤田 博司 <fujita.hiroshi.mh(a)ehime-u.ac.jp>
皆様,
東北大学の横山です.
以下の通りセミナーを開催いたしますのでご案内いたします.
https://sites.google.com/view/sendai-logic/
日時:6月9日(金)15:00〜
場所:東北大学理学研究科合同A棟801号室 (zoom配信あり)
講演者:Paul Shafer (University of Leeds)
Title: The Rival--Sands theorem for partial orders,
ascending/descending sequences, and Sigma_2 induction.
Abstract:
In their 1980 article, Rival and Sands proved two theorems inspired by
Ramsey’s theorem for pairs. The second of these theorems states that
every infinite partial order P of finite width contains an infinite
chain C with the property that every element of P is comparable either
with no element of C or with infinitely many elements of C. We show
that this theorem is equivalent to the ascending/descending sequence
principle plus the Sigma_2 induction scheme over RCA_0. This work is
joint with Marta Fiori-Carones, Alberto Marcone, and Giovanni Soldà.
どうぞよろしくお願いいたします.
横山啓太
--
Keita Yokoyama
Mathematical Institute, Tohoku University
Aoba, Sendai, JAPAN, 980-8578
keita.yokoyama.c2(a)tohoku.ac.jp
皆様
京都大学の河村と申します。10月にニースで開催される
17th International Conference on Reachability Problems (RP 2023)
についてご案内させていただきます。どうぞご検討ください。
-------------------------------------------
RP 2023: CALL FOR PAPERS
-------------------------------------------
The 17th International Conference on Reachability Problems (RP'23) will
be organised by the laboratory I3S (Université Côte d'Azur, CNRS) and
LIX (Ecole Polytechnique, CNRS).
Website: https://www.lix.polytechnique.fr/RP2023
In 2020 and 2021 the conference was virtual due to COVID restrictions.
As in 2022, this year RP will be organised as a physical meeting in
Nice, offering a possibility to authors with travel restrictions to give
online presentations.
Papers presenting original contributions related to reachability
problems in different computational models and systems are being sought.
This will also be the occasion to review recent breakthroughs by
renowned invited experts and survey emerging trends and emphasise on key
open challenges. Participants are kindly encouraged to discuss core
scientific issues that need to be further tackled.
The conference proceedings will be published in Springer's Lecture Notes
in Computer Science (LNCS). A selection of articles among the
contributed papers will be invited to a special issue of a journal (TBA).
TOPICS
The conference is specifically aimed at gathering together scholars from
diverse disciplines and backgrounds interested in reachability problems
that appear in
Algebraic structures
Automata theory and formal languages
Computational game theory
Concurrency and distributed computation
Decision procedures in computational models
Graphs and dynamical networks
Hybrid dynamical systems
Logic and model checking
Verification of finite and infinite-state systems
Topics of interest include (but are not limited to):
- reachability problems in infinite-state systems,
- rewriting systems, dynamical and hybrid systems;
- reachability problems in computational games and distributed systems;
- reachability problems in dynamical networks,
- reachability problems in logic and verification;
- reachability problems in formal methods;
- reachability analysis in different computational models, counter
timed/ cellular/ communicating automata;
- Petri nets; computational and combinatorial aspects of algebraic
structures (semigroups, groups and rings);
- frontiers between decidable and undecidable reachability problems;
- predictability in iterative maps and new computational paradigms.
INVITED SPEAKERS
Confirmed:
- Nathalie Aubrun (CNRS, Paris-Saclay, France)
- Jarkko Kari (University of Turku, Finland)
- Bruno Martin (University of Nice, France)
- Shinnosuke Seki (University of Electro-Communications, Japan)
GUIDELINES FOR SUBMISSION.
THERE ARE TWO CATEGORIES OF SUBMISSIONS:
1) REGULAR PAPERS
Authors are invited to submit an extended abstract of a full paper with
at most 12 pages (excluding the bibliography and potential appendices)
formatted according to the LNCS guidelines, through EasyChair:
https://easychair.org/conferences/?conf=rp2023
2) PRESENTATION-ONLY
In addition to the formal presentations based on our LNCS proceedings
volume, we invite researchers to submit a paper which recently appeared
(or which is going to appear) in proceedings of another conference, or
which has not yet been submitted. Neither the paper nor the abstract
will be published in the proceedings.
IMPORTANT DATES
Abstract of full papers: 19 June 2023
Full papers: 26 June 2023
Notification: 13 August 2023
Final Version: 20 August 2023
Presentation-only papers
- Abstracts: 23 August 2023
- Notification: 30 August 2023
RP CONFERENCE: OCTOBER 11-13, 2023
CONFERENCE CHAIRS:
- Olivier Bournez (IP Paris, Ecole Polytechnique, FR)
- Enrico Formenti (Univ. Côté d'Azur, FR)
- Igor Potapov, University of Liverpool - Publication chair
PROGRAM COMMITTEE:
- Parosh Aziz Abdulla (Uppsala University, Sweden)
- Udi Boker (Reichman University, Herzliya, Israel)
- Christel Baier (Technical University of Dresden, Germany)
- Veronica Becher (Universidad de Buenos Aires, Argentina)
- Benedikt Bollig (CNRS, LMF, ENS Paris-Saclay, France)
- Olivier Bournez (Ecole Polytechnique, LIX, IPP, France)
- Emilie Charlier (Université de Liège Belgium)
- Stéphane Demri (CNRS, LMF, ENS Paris-Saclay, France)
- Javier Esparza (Technical University of Munich, Germany)
- Enrico Formenti (Université Côte d'Azur, France)
- Gilles Geeraerts (Université libre de Bruxelles, Belgium)
- Roberto Giacobazzi (University of Verona, Italy)
- Daniel Graça (University of Algarve, Portugal)
- Christoph Haase (University of Oxford, United Kingdon)
- Peter Habermehl (IRIF, Université Paris Cité, France)
- Vesa Halava (University of Turku, Finland)
- Mika Hirvensalo (Department of Mathematics and Statistics, University
of Turku, Finland)
- Akitoshi Kawamura (Kyoto Univeristy, Japan)
- Dietrich Kuske (Technical University of Ilmenau, Germany)
- Martin Kutrib (University of Giessen, Germany)
- Jérôme Leroux (CNRS, LaBRI, Université de Bordeaux, France)
- Igor Potapov (University of Liverpool, United Kingdom)
- Tali (Nathalie) Sznajder (LIP6, Sorbonne Université, France)
STEERING COMMITTEE
- Parosh Aziz Abdulla (SE)
- Olivier Bournez (FR)
- Vesa Halava (FI)
- Alain Finkel (FR)
- Oscar Ibarra (USA)
- Juhani Karhumaki (FI)
- Jérôme Leroux (FR)
- Joël Ouaknine (GER)
- Igor Potapov (UK)
- James Worrell (UK)