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Ross Kang

@kangmeister@mathstodon.xyz
mastodon 4.7.2
  • Open on mathstodon.xyz

Canadian mathematician in the Netherlands. Constantly in pursuit of nice distributions, not only in combinatorics and probability, but also more broadly.

Profile image credit: This was done by the illustrator LeUyen Pham (who was illustrator for a "The Boy Who Loved Math"), while at a booth at the Erdős Centennial Conference in Budapest in 2013.

125 Followers
102 Following
14 Posts
Joined December 27, 2022
homepage:
https://staff.fnwi.uva.nl/j.r.kang/
arxiv:
https://arxiv.org/a/kang_r_1
Erdős-Sabbath number:
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Open post
Ross Kang @kangmeister@mathstodon.xyz
· 2mo ago
Having lived in the Netherlands for so long, I seem to take it for granted how well set up it is there for cycling. While here in Japan, I am using a bicycle daily, and the frustration is boiling up occasionally at the difficulties I have been confronted with. Like having to either cycle in busy open car traffic, or instead to cycle on the sidewalk while avoiding collision (and eye contact) with pedestrians. Or having to take side streets or else face repetitive, irritating delays at all the big four-way intersections. Or having a 15-by-15-block central district banned for all incidental bicycle parking (at the threat of towing and a fine, which is just the place where bicycle parking should be encouraged more than cars) and having to circle around for half an hour to find a bicycle parkade with open incidental parking spots. Despite this all these irritations, it is still a nice, refreshing (and much faster) way to get around here. #cycling #japan #netherlands #cultureshock
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Ross Kang @kangmeister@mathstodon.xyz
· 5mo ago

RE: https://mastodon.online/@Centre_Mersenne/116532568491285987

A fundamental problem in the scientific publishing paradox is the lack of awareness/understanding, especially by academics and scientific administrators, of the actual costs involved. Open accounting at journals and publishing houses is a concrete way forward on this. I'm happy to see our publishing platform Centre Mersenne taking meaningful steps on this front.

Mastodon.online

Centre Mersenne (@Centre_Mersenne@mastodon.online)

Find the centre Mersenne's funding data on the TSOSI platform: https://tsosi.org/entities/Q55606850 The centre Mersenne is participating in the TSOSI project and has chosen to publish its funding details. This project is still ongoing: new data will be published shortly. #openaccess #scientificpublishing #funding

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Ross Kang @kangmeister@mathstodon.xyz
· 6mo ago

I am rather late to tooting this...

(Also the decision-making process took longer than we expected.
It was a very valuable learning experience!)

This was the first ever start up fund for a mathematics Diamond OA journal.
We decided to support two journal initiatives.

https://www.mathoa.org/announcement/

One of the journals (Combinatorial Commutative Algebra, https://mulpress.mcmaster.ca/CCA/index) has already launched!

With warm congratulations to both projects, we wish you much success in the coming years!

#diamondOA #scientificpublishing #openaccess

mathoa.org

Announcement – MathOA

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Ross Kang @kangmeister@mathstodon.xyz
· 7mo ago
Replying to
@ProfKinyon You can also consult with members of MathOA (https://www.mathoa.org/) for advice on how to set up a modern (flipped) journal within a community ownership structure, and consider other platforms, such as Centre Mersenne (https://www.centre-mersenne.org/en/) or Scholastica (https://scholasticahq.com/)
mathoa.org

MathOA – Converting mathematics journals to open access

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Ross Kang @kangmeister@mathstodon.xyz
· 7mo ago

RE: https://social.sciences.re/@tito/116176928282506850

via @sophiehuiberts@mathstodon.xyz

This is a punchy take on the state of science as an industry.

With respect to the specific quote below, it shows what most scientists don't realise about the following three things: the gouging by "reputable" commercial publishers, the "predation" by scam publishers, and the fraud of the shadiest scientists.

These all lie on a continuum.

#scientificintegrity #scientificpublishing #diamondOA #openaccess

Mastodon -- Sciences.Re

Tito (@tito@sciences.re)

"Fifteen years ago, the open science movement was all about abolishing for-profit journals—that’s what open science meant. It seemed like every speech would end with “ELSEVIER DELENDA EST”. Now people barely bring it up at all. […] I think two things happened. First, we got cynical about cyberspace. In the 1990s and 2000s, we really thought the internet would solve most of our problems. When those problems persisted despite all of us getting broadband, we shifted to thinking that the internet w

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Ross Kang @kangmeister@mathstodon.xyz
· 6mo ago

It is "only" for municipal elections, but for the first time in my life I have voted in Dutch elections.

#dutchpolitics

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Ross Kang @kangmeister@mathstodon.xyz
· 5mo ago

Question for the academic hive-mind:

What if you get a formal, definitive grant decision letter back, in which the justifications (based on comments from the assessment committee) are in part clearly those from another application?

#grants #academia #funding #fail

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Ross Kang @kangmeister@mathstodon.xyz
· 6mo ago

RE: https://mathstodon.xyz/@kangmeister/116136852073418222

It was almost exactly two years ago in Lunteren after a pitch by Ton de Kok (director of CWI at the time) that the idea for this popped into mind. And now (after a lot of hard work!) it is in full swing. An exciting mix of people at the confluence of combinatorics, algorithms, probability, brought together in Amsterdam over the next couple of months!

https://www.cwi.nl/en/events/research-semester-programmes/phasecap-phase-transitions-in-combinatorics-algorithms-probability/

#CWI #conference #combinatorics #probability #algorithms

Mathstodon

Ross Kang (@kangmeister@mathstodon.xyz)

As part of the CWI thematic research semester programme Phase Transitions in Combinatorics, Algorithms and Probability (PhaseCAP), we organise a series of three colloquia in Amsterdam. Please register via the links below if you want to attend. Registration closes a week before the meeting or when capacity is reached. Thursday, 2 April — PhaseP colloquium 13:30–14:00 Coffee reception 14:00–15:00 Christina Goldschmidt (Oxford): Stable trees 15:00–16:00 Tom Bohman (Carnegie Mellon): Notes on two-

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Ross Kang @kangmeister@mathstodon.xyz
· 6mo ago

https://arxiv.org/abs/2603.12358

Here is the *third* manuscript coming out of the "Topics in Ramsey theory" online-only problem-solving session (https://sparse-graphs.mimuw.edu.pl/doku.php?id=sessions:2025sessions:2025session1) of the Sparse (Graphs) Coalition, which took place less than a year ago.

It is still surprising to realise what one can make of such events, if they are set up well.

#combinatorics #remoteconferences #graphtheory #extremalcombinatorics #openscience

Ordered Ramsey and Turán numbers of alternating paths and their variants
arXiv.org

Ordered Ramsey and Turán numbers of alternating paths and their variants

An ordered graph is a graph whose vertex set is equipped with a total order. The ordered complete graph $K_N^<$ is the complete graph with vertex set $[N]$ equipped with the natural ordering of the integers. Given an ordered graph $H$, the ordered Ramsey number $R_<(H)$ is the smallest integer $N$ such that every red/blue edge-colouring of $K_N^<$ contains a monochromatic copy of $H$ with vertices appearing in the same relative order as in $H$. Balko, Cibulka, Král, and Kynčl asked whether, amon

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Ross Kang @kangmeister@mathstodon.xyz
· 7mo ago
Replying to
@ProfKinyon That's good to hear, I hope that transition goes well, and that the community supports it. The news you shared doesn't bode well for the wider trend. It corroborates the idea that between traditional profit-taking scientific journals and the newer so-called "predatory" ones, the lines have already blurred. (My suspicion is that the publisher's management is reacting to the growing market share of the latter type.) Perhaps both types should be treated by the community similarly, that is, simply as disreputable -- not to mention highly costly/wasteful.
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Ross Kang @kangmeister@mathstodon.xyz
· 6mo ago

An email landed in my inbox about some local mathematical news. It somehow prompted me to look up where a paper of one of my former PhD students ended up. This was actually one of his thesis chapters:

https://doi.org/10.1090/jams/1069

Congrats Eoin!

#combinatorics #extremalcombinatorics #ramseynumbers

doi.org

Journal of the American Mathematical Society

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Ross Kang @kangmeister@mathstodon.xyz
· 7mo ago

https://www.theguardian.com/education/ng-interactive/2026/mar/03/cheating-machine-or-powerful-assistant-the-ai-anxieties-of-a-trainee-teacher

#genAI #teaching #learning

theguardian.com
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Open post
Ross Kang @kangmeister@mathstodon.xyz
· 7mo ago

As part of the CWI thematic research semester programme Phase Transitions in Combinatorics, Algorithms and Probability (PhaseCAP), we organise a series of three colloquia in Amsterdam. Please register via the links below if you want to attend. Registration closes a week before the meeting or when capacity is reached.

Thursday, 2 April — PhaseP colloquium
13:30–14:00 Coffee reception
14:00–15:00 Christina Goldschmidt (Oxford): Stable trees
15:00–16:00 Tom Bohman (Carnegie Mellon): Notes on two-point concentration in random graphs
16:00–17:30 Drinks reception

Registration: https://www.cwi.nl/en/research/algorithms-and-complexity/events/registration-phasecap-probability-plenary-talks-thursday-2-april-2026/

Friday, 17 April — PhaseC colloquium
13:30–14:00 Coffee reception
14:00–15:00 Penny Haxell (Waterloo): Algorithms for Independent Transversals and Reconfiguration
15:00–16:00 Rob Morris (IMPA): Recent results in Ramsey theory
16:00–17:30 Drinks reception

Registration: https://www.cwi.nl/en/events/research-semester-programmes/phasecap-phase-transitions-in-combinatorics-algorithms-probability/17-april-2026-phasecap-combinatorics-plenary-talks/

Friday, 29 May — PhaseA colloquium
14:00–15:00 Leslie Goldberg (Oxford): Fundamental Instability of Backoff Protocols
15:00–16:00 Amin Coja-Oghlan (Dortmund): The cavity method
16:00–17:30 Drinks reception

Registration: https://www.cwi.nl/en/events/research-semester-programmes/phasecap-phase-transitions-in-combinatorics-algorithms-probability/registration-phasecap-algorithms-plenary-talks-friday-29-may-2026/

Please feel free to share this announcement with colleagues who may be interested.

#combinatorics #probability #algorithms #amsterdam #phasetransitions #CWI

cwi.nl
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Ross Kang @kangmeister@mathstodon.xyz
· 7mo ago

After stops that took in the Bodleian Library complex and the Radcliffe Science Library, the last stop on the nostalgia tour was the British Library.

(I wrote large chunks of my PhD thesis camped out there, back in the day.)

It feels more important than ever to show appreciation for these wondrous and beautiful institutions.

#nostalgia #oxford #london #library #magnacarta #firstfolio #beowulf

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