What next?
All 2,023 of Savchenko's problems are solved. What we do next we decide together. Post an idea, back someone else's, or reply under it. No account needed.
Your idea
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4
A site where people bring their own problems and others solve them
This is a sketch, not a decision. Argue with any line of it.
We have finished Savchenko, and I do not want to do the same thing again with another book. Irodov was worked out at exir.ru years ago, and strong models solve Ovchinkin now. Nothing new would come out of it.
I want something else. Anyone can bring a problem. Their own, from their work or research, or one that has bothered them for years. A page for the problem, solutions under it, and from there everything as it is here. Some write with jokes, as in 5.6.8. Some write a review with references, as in 6.4.8. Some draw diagrams, as in 7.4.23, and some make animations, as in 1.1.12. Review stays as relaxed as it is now.
Start with physics. Let maths and computer science in too. Two languages, Russian and English.
No "AI cannot solve it" filter. If a person made the problem and people are thinking about it, that is enough. At most we could mark whether a model managed it.
How this differs from physics.stackexchange I do not fully know myself. Maybe in that these are problems, not questions. Maybe in that the solutions read like small papers. Closest in spirit is arXiv, only collaborative and without the formalities. Erdős problems are close too, but that is a very narrow thing.
There will be no finish line like "solve all 2,023". There will be a stream of problems that keeps growing.
How to tie it to Savchenko Solutions I do not know. Who comes first, I do not know either. I hope it is you, and people in research with their side questions.
Tell me what is too much here and what is missing. We decide together.
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A shared textbook of the theory behind the problems
A section with the theory you need to solve the problems, written together like a wiki. In the 2025 survey 10 people of 21 chose this.
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Several people checking each solution
Not relying on any one author being right. A few reviewers per solution, the checking shared among trusted authors, and a checked solution locked so it stays right.
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So that people stay after the book
Many are afraid that the talking ends with the last problem. People suggested groups by level, teachers with their classes, a shared chat with topics, so that the ties between people do not hang on one book.
Five people wrote about this.
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A problem of the week, and contests
A problem of the day or week, preferably a starred one, with a hint after a week if nobody has cracked it. Contests, author of the month. And honest points, for new solutions rather than for edits and translations.
Five people suggested this, at different times.
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Problems written by members
Members make up their own problems in the spirit of Savchenko, and the most experienced look them over before they go up. Such problems have already appeared on the forum and got solved. They need a section of their own.
Four people wrote to me about this, independently.
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Solutions to olympiad problems
The international physics olympiads, the Chinese national olympiads and the mathus.ru sheets.
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Study paths
Routes through topics where you can see what you have already done. Problems with code. Links between problems, as in a wiki, so you can go from one to the next.
Three people wrote about this.
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Articles grown from problems, and stories of members
A good problem can grow into a short article, the way Kvant does it. The blog already has a few. And stories about the people who solve here, who they are and where they are from.
Three people wrote about this.
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Solutions to Irodov
Two people asked for it in the September 2025 survey, and one more on the forum.
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Several solutions side by side, not one
Right now a new solution often writes over the old one. On Art of Problem Solving all solutions to a problem sit side by side and the reader sees different routes. The suggestion is to do the same here. You add your way next to the others, not in place of them.
Two people wrote about this.
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Paying the authors and reviewers
Pay for writing and checking from a fund, keep reading free. The argument is that without it the number of regular authors stays very small.
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A room for unsolved and disputed problems
Sitting alone over a hard problem is slow, together it moves. A shared room for problems with no solution yet, and a separate place for answers that do not match the book, to work out calmly who is right, the solver or the book.
Two people wrote about this.
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Cases. A reader asks, members answer
A reader opens a case with a physics question, and members pick the ones they want to take and answer. Something like a help desk, only alive.
One person suggested this.
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Questions physics has no answer to yet
Take a recent paper or an old dispute, work through it together and ask people in the field to check. Kapitza left problems that still have no agreed answer, they could be a start. I have begun collecting some of this at https://problempedia.org, have a look.
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The Ovchinkin and Prut problem book
Asked for twice in the survey, independently.
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Решения 400 интригующих и листиков mathus
На pho.rs у 400 интригующих как правило просто подсказки и ответы, неплохо бы было решать это + когда я решал листики mathus бывали сложности, хотелось бы чтобы и на эти задачи были хорошие решения (я могу поделиться очень большим количеством закрытых листиков, порядка 70%)
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Начать решать книгу Иродова
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The old Landau theoretical minimum problems
The problems of the theoretical minimum and of old theoretical physics exams sit in someone's folders and in the memory of people who are getting fewer. I would like to collect them while there is still someone to ask, and solve them together. The idea came from MIT, where people are already trying to save these archives.
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