About Andrey S. Shchebetov / Андрей Щебетов

Moscow schoolboy & computer programming fan

EUCYS 2018 Video

EUCYS 2018 Presentation

01-A3 Presentation 20180902 v6.2EN 75%

Chebyshev’s bias test range increased to 10^16

We further expanded Chebyshev’s bias test range 10 times to 1016. At the first stage, the tests will be run up to 5*1015. Expected time to complete the first stage – November, 2018.

Last Chebyshev’s bias data available in our repository

The last Chebyshev’s bias data became updated and available in our repository.

Breakthrough Junior Challenge 2018 Video

Provisional 50th Mersenne prime M77232917 supports Collatz conjecture

On March 17th, 2018 our “3007 Collatz Tester for Mersenne Primes” (the improved version of “3000 Collatz Tester”) tested the provisional 50th Mersenne prime M77232917 for being in agreement with Collatz conjecture and supported it. Continue reading

We won top “Step Into The Future” award: EUCYS 2018 participation

Our research “Testing Chebyshev’s bias for prime numbers up to 1015” won the top award at the “Step Into The Future” science forum and will be presented at the 30th European Union Contest for Young Scientists 2018 in Dublin (Ireland) on September 14-19, 2018. The EUCYS was set up at 1989 to promote the ideals of co-operation and interchange between young scientists. The contest is the annual showcase of the best of European student scientific achievement. The Russian team of 3 students will compete among other students from 43 countries.

In addition, our research got the right to be presented at Intel ISEF final that is held in the USA every year.

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Our research won “Step Into The Future” science forum

Our research work “Testing Chebyshev’s bias for prime numbers up to 1015” won “Step Into The Future” all-Russian science forum (a part of international Intel ISEF competition) that took place in Moscow on March 19-23, 2018. Continue reading

We won “The best presentation in English” award at “Step Into The Future” science forum

Our presentation “Testing Chebyshev’s bias for prime numbers up to 1015” won “The best presentation in English” award at the “Step Into The Future” all-Russian science forum that took place in Moscow on March 19-23, 2018.

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Our research won “Mathematics and its applications in modern technologies” section of “Step Into The Future” science forum

Our research presentation “Testing Chebyshev’s bias for prime numbers up to 1015” became the only winner of the “Mathematics and its applications in modern technologies” section of “Step Into The Future” science forum that took place in Moscow on March 19-23, 2018. Continue reading

We participated in “Step Into The Future” science forum

Between March 19th and 23rd 2018 we participated in all-Russian science forum “Step Into The Future” with our research work “Testing Chebyshev’s Bias for prime numbers up to 1015 “.

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“The Practical Realization of a Cryptographic System Based on One-Time Pads” (in Russian)

We are publishing the short presentation of our paper called “The Practical Realization of a Cryptographic System Based on One-Time Pads” (in Russian) that won the top award in the Computer Science section of the Intel-Avangard conference (the part of Intel ISEF) on February 22-25, 2018.

OTP 20180219 v3.0FINAL

Our cryptography presentation won the top award at Intel-Avangard conference

On February 25, 2018 our cryptography paper and presentation “On practical realization of one-time pad cryptographic system” won the top award in the Computer Science section at Intel-Avangard conference, which is a part of international Intel ISEF competition. Continue reading

All Chebyshev’s bias data available at our repository

February 01, 2018 we made all our data on Chebyshev’s bias available at our repository. Continue reading

New and unknown 10th sign-changing zone in Chebyshev’s bias for ∆{4;3,1}(x) found

On January 20th, 2018 our  “4000 Chebyshev Bias Tester”  completed testing all primes up to 10*1014  and found a new and previously unknown 10th sign-changing zone for ∆{4;3,1}(x), where the value of ∆{4;3,1}(x) equals to -1. Continue reading