Problem 32
30 June 2024
[ Analysis ]
Proving an impedance formula

Problem 31
10 January 2023
[ AI ]
LLMs

Problem 30
22 December 2022
[ Number Theory ]
Formula for the nth prime

Problem 29
20 December 2022
[ Algorithm ]
Cooley-Tukey Algorithm

Problem 28
18 August 2022
[ Information ]
BIC

Problem 27
12 August 2022
[ Number theory ]
CRT

Problem 26
Triangulation of an n-gon

Problem 25
03 February 2022
[ complex analysis, geometry ]
Möbius Transformations

Problem 24
01 January 2022
[ geometry, optics ]
Johann Bernoulli's problem

Problem 23
09 December 2021
[ geometry ]
Fermat's Challenge

Problem 22
01 December 2021
[ geometry ]
Pick's Theorem

Problem 21
31 August 2021
[ Number Theory, Sequence ]
IMO 2017 Opening Problem

Problem 20
12 August 2021
[ Combinatorics ]
A Problem on PIE

Problem 19
27 July 2021
[ Number Theory, Combinatorics ]
A Problem on Greatest Common Divisors

Problem 18
15 July 2021
[ Bayesian Learning ]
Gaussian Mixture Model (EM Algorithm)

Problem 17
06 July 2021
[ Dynamic Programming ]
Unbounded Knapsack Problem

Problem 16
21 June 2021
[ optics, geometry ]
Snell's law

Problem 15
08 June 2021
[ calculus ]
Discrete Fourier Transform (DFT)

Problem 14
01 June 2021
[ probability ]
Airplane Seat Problem

Problem 13
17 May 2021
[ Laplace Domain, Complex Analysis ]
Process Control

Problem 12
11 May 2021
[ Complex Analysis ]
Complex Numbers, Vector Fields and Fluid Dynamics

Problem 11
10 May 2021
[ Nonlinear Dynamics, Chaos ]
Chaos-Lorenz Attractor

Problem 10
04 May 2021
[ Geometry ]
Ceva's Theorem

Problem 9
03 May 2021
[ Probability, Information Theory ]
A Measure of Distance?

Problem 8
30 April 2021
[ geometry ]
Pizza Theorem

Problem 7
26 April 2021
[ Lattice points ]
A Problem on Counting Squares

Problem 6
08 December 2020
[ Probability ]
Conditional Distribution for Gaussians

Problem 5
07 June 2020
[ Number Theory ]
Chicken McNugget Theorem

Problem 4
20 May 2020
[ geometry ]
A Geometry Problem on Triangles

Problem 3
14 May 2020
[ Putnam ]
A problem on Geometric Probability

Problem 2
08 May 2020
[ SVM, Classifier ]
A problem on Linear Classification

Problem 1
04 May 2020
[ probability, periodicity ]
A problem on conditional probability