38,465 real projects from ISEF, the Canada-Wide Science Fair, JSHS, AJAS, the Calgary Youth Science Fair and the California Science & Engineering Fair — searchable by meaning, and filterable by fair, year, category and award.
ISEF · 2021
Mathematics
A graph represents a group of objects (network) and the relations between them. This research introduces ranking of vertices – a mathematical concept, applied to various areas (Google search…
ISEF · 2021
Mathematics
The purpose of this paper is to express Robinson-Schensted correspondence in two different ways, Schensted’s algorithm and a geometric interpretation by Viennot, and compare and prove differ…
ISEF · 2021
Mathematics
Closed geodesic lines on polyhedra are defined as locally shortest polylines not passing through vertices. In 2002 it was proven that the majority of convex polyhedra are free of simple (non…
ISEF · 2021
Mathematics
It is known that attempts to solve some equations and systems of equations by standard methods often cause great difficulties. However, it is more convenient to solve these equations and sys…
ISEF · 2021
Mathematics
Okamoto-Uchiyama encryption scheme is one of the Paillier cryptosystem’s foundations. Unfortunately, its “twin” signature scheme, properties and specialized kinds of digital signatures are n…
ISEF · 2021
Mathematics
After doing a survey about Math learning of grade 8 and 9 students at our school, we found that the level simulating the interest of students in Math and the ability to solve real-life probl…
ISEF · 2021
Mathematics
Arbelos is a plane region bounded by three semicircles with three apexes such that each corner of each semicircle is shared with one of the others, all on the same side of a straight line th…
ISEF · 2021
Mathematics Fourth Award
We often meet the well-known mathematical means: the arithmetic, geometric and harmonic means. They appear in inequalities, extremum problems, geometric connections. However, the ancient pyt…
ISEF · 2021
Mathematics
The purpose of this project is to analyze whether Gaussian Mixture Model can be used to judge the time of a day and weather in a Monet's Haystack. To achieve this, I use python to transform…
ISEF · 2021
Mathematics Fourth Award
Motivated by the characterization of symmetric monoidal functors between Deligne categories, the additive monoid R_+(x) is defined as the set of all nonnegative integer linear combinations o…
ISEF · 2021
Mathematics
This research aims to find strategies to solve the following problem: the minimum number of ant-sucking machines which are needed to guarantee the capture of all ants on an m by n grid graph…
ISEF · 2021
Mathematics
This essay aims to understand the basics of the four color theorem, why it was so hard to prove, and why false proofs failed to prove the theorem. The four color theorem states that a map ca…
ISEF · 2021
Mathematics
The purpose of this project is to determine if it is possible to effectively use traditional regression models to predict an event whose outcome has historically been unpredictable. In our c…
ISEF · 2020
Mathematics
We present a polynomial-time approximation Algorithm for the 3-Peripatetic Salesman Problem on maximum (3-PSP-max). The m-Peripatetic Salesman Problem (m-PSP) is a generalization of the clas…
ISEF · 2020
Mathematics
Traffic models are fundamental to our ability to deal with traffic congestion in the modern world. Locating traffic congestion points are beneficial as the Government can find solutions to d…
ISEF · 2020
Mathematics
The classical method of stars-and-bars is used to count the number of ways to place identical items into distinct bins, but is not applicable when the bins are also identical. The aim of thi…
ISEF · 2020
Mathematics
In this project we set out to prove that in isosceles triangles The medians, heights and bisectors are equal. The two line segments – formed from connecting the bases of medians, heights and…
ISEF · 2020
Mathematics
This study aims to find a solution to non-perfect square roots. The new Algorithm gives an approximate result by which we can identify the error percentage using the following equation: Erro…
ISEF · 2020
Mathematics
Robin’s criterion states that the Riemann hypothesis is equivalent to sigma(n) < exp(gamma) n log log n for all integers n > 5040, where sigma(n) is the sum of divisors of n and gamma is the…
ISEF · 2020
Mathematics
We examined the iteration of the mapping that is given by Vieta's Theorem. Under its application different behaviours like convergence and divergence emerge. We could prove that the converge…
ISEF · 2020
Mathematics
The Collatz Conjecture can be written as a single-part function using indicator functions, and extending it to the complex plane allows for it to be graphed as a fractal. The indicator funct…
ISEF · 2020
Mathematics
We consider regular n-gons, free to float in 2D space. This allows them a rotational property. Now, we consider the problem of calculating the number of distinct a-colorings of its vertices.…
ISEF · 2020
Mathematics
Mathematical modeling is a powerful way to comprehend emerging properties/behaviors in social problems involving many parameters acting simultaneously and non-linearly. Current epidemiologic…
ISEF · 2020
Mathematics
Different people suit best in different glasses. In order to allow more people to get best fit glasses with less money in less time, this project explores the mathematical relationship betwe…
ISEF · 2020
Mathematics
The El-Gamal digital signature scheme (or its modifications) is a core for many modern cryptographic standards, but most of known attacks do not consider generalizations of this scheme. The…
ISEF · 2020
Mathematics
In the abelian sandpile model, recurrent chip configurations are of interest as they are a natural choice of coset representatives under the quotient of the reduced Laplacian. We investigate…
ISEF · 2020
Mathematics
In this paper, we study the question of asymptotic degrees of freedom in a viscous flow. Particularly, we create a bound on the dimension N of the determining node set xi of a fluid with tim…
ISEF · 2020
Mathematics
A k-derangement is a special kind of permutation of n objects, such that no subset of size k from the n objects is invariant. A 1-derangement is a permutation that has no fixed points. Count…
ISEF · 2020
Mathematics
My project is in the area of sports analytics and it aims to understand soccer movement. I use two data sets. One is a public data set of professional soccer possessions that contains time s…
ISEF · 2020
Mathematics
In the past, many researches on the pricing of movie tickets have only given some subjective suggestions and there’s no mathematical expression, however, starting from the consumer choice be…