For those of you who have been poking my profile, you may have noticed that Arron and I have several sets of notes like Algebra Techniques and Olympiad Combinatorics which have not yet been reshared. (And now you know about them!). These notes serve to explain a concept in a clear, concise manner (as opposed to presenting specific problems), and are filled with posts from the technique trainer.

I know that lots of members have already written up great notes in the past few months, and they deserve to be placed in here. Please nominate posts which you think should be added to our list, by stating the title (preferably add a link), author, and which topic it belongs in. For example

Deriving Trigonometric Identities by Daniel Liu, trigonometry / geometry

We will also be creating sets for other topics like Physics, Computer Science, Chemistry, etc, so feel free to nominate posts in those areas too!

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## Comments

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TopNewest@Yan Yau Cheng @Michael Tang @Michael Tong @Yash Talekar @Josh Petrin @Sharky Kesa @Bob Krueger @Nina Singh @Sreejato Bhattacharya @Piyushkumar Palan @Tim Vermeulen @Akshat Jain @Pi Han Goh @Sotiri Komissopoulos @Daniel Chiu @Paramjit Singh @Ivan Koswara @jatin yadav @Nicolae Sapoval @Snehal Shekatkar @Soham Chanda @josh silverman @Piyal De

Thanks for helping me get cosines group, torque group and goldbach conjureres group started. I know that there a lot of good posts then, but I didn't have the foresight to save a list.

Please suggest notes that you wrote up. Thanks!

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I wrote about eight articles on complex networks. I am planning to continue this series.

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Sir,Here are the set of notes I posted on Brilliant:

\(\textbf{Number Theory:}\)

Partitioning of integers

Fermat's method of infinite Descent

Catalan Numbers and their properties part 1

Euler's proof of the infinitude of primes

\(\textbf{Cryptography:}\)

The RSA Cipher

The Diffie-Hellman Key Exchange system

The Knapsack cryptosystem

\(\textbf{Combinatorics:}\)

Stacking problems(A generalized Tower of hanoi)

The weight problem of Bachet de Meziriac

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Well, my entire contributions to the community so far has been in the form of problems. However, I really liked this series of notes by @Anqi Li (the link goes to the first post).

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Holy lot of people...

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For Chemistry, I like this list that @Christopher Boo added. Any further suggestions?

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Cauchy Schwarz by Anqi Li , Olympiad Algebra

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I loved Proofs using Complex Numbers by @Sotiri Komissopoulos .

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Deriving Trigonometric Identities by @Daniel Liu , Basic Trigonometry

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I really like my note Quantum Mysteries by the one and only @Finn Hulse. It should help you guys understand a lot of really unexplainable concepts in theoretical physics such as length contraction, time dilation, and the effect of gravity and how it's connected to time. Enjoy! :D

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Well, if you can make a new note that has all the information in the main post it would be better... I'm not exactly sure if they can use comments.

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What do you mean?

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I do not see clear, logical explanations that are laid out in the single paragraph in the note. If you think the comments are helpful, you can work them into the note itself.

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Titu's Lemma I By Zi Song Yeoh, Olympiad Algebra

Titu's Lemma II By Zi Song Yeoh, Olympiad Algebra

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FYI: Doing an @mention is more convenient (at least to me), since that will automatically include a link to his profile and save you some work.

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