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Sergey Alexeev

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Posted on24.05.201815.01.2022Thoughts

Kinda cool phrases

by Sergey Alexeev1 Comment on Kinda cool phrases

These phrases are kinda cool: x) Fish don’t know they’re in water until they experienced air; x) A man can do as he will but…

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Posted on18.03.201830.11.2021Work

Intermediate Microeconomics (UTS)

by Sergey Alexeev1 Comment on Intermediate Microeconomics (UTS)

Dear students, please use the videos below if you missed a class. Please note, however, that these are, in essence, my “preparation notes”, and are…

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Posted on28.01.2018Thoughts

About maths in economics…. hmm

by Sergey Alexeev1 Comment on About maths in economics…. hmm

Von Neumann: “As a mathematical discipline travels far from its empirical source, or still more, if it is a second or third generation only indirectly…

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Posted on27.01.2018Russian

Some simple probability formulas with examples

by Sergey Alexeev12 Comments on Some simple probability formulas with examples

A known relationship that is usually given axiomatically: Upon rearrangement gives the multiplication rule of probability: Now observe a cool set up that is handy…

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Posted on27.01.2018Thoughts

Social dark matter

by Sergey Alexeev1 Comment on Social dark matter

If you look at the ants you see that they are able to coordinate their actions. They navigate in the uncertainty by sharing some information…

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Posted on30.12.2017Russian

A simple fact about sets

by Sergey Alexeev1 Comment on A simple fact about sets

Out of elementary events one can get possible outcomes. Where is an event that contains elementary events. Take set with the size as the only…

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Posted on15.12.2017Russian

Distribution of a ordered pile of rubble

by Sergey Alexeev1 Comment on Distribution of a ordered pile of rubble

Imagine a pile of rubble () where the separated elements of the pile are stones (). By picking stones we form a sample that we can sort by…

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Posted on09.12.2017Thoughts

Math is the extension of common sense

by Sergey Alexeev1 Comment on Math is the extension of common sense

What makes math? Isn’t it just common sense? Yes. Mathematics is common sense. On some basic level, this is clear. How can you explain to…

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Posted on19.09.2017Thoughts

A conjecture on mating

by Sergey Alexeev1 Comment on A conjecture on mating

What is dating and why do we even need it? Here is mine theory. I have not cross-referenced it with existing sciency literature, thus, it…

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Posted on26.08.2017Thoughts

Game theory is ridiculous

by Sergey AlexeevLeave a comment on Game theory is ridiculous

Game theory is ridiculous. The first acquaintance with main “solution concepts” usually produces a question “wtf?!” in a man with a good common sense. Good…

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