# INTRODUCTION

The series opener between England and Pakistan is now into its third day of play. This post looks at developments in that match so far. 940 more words

Photography

#### Creating H-Free Graphs with many edges

In this post, I will talk about an interesting and simple technique one can use to create graphs with many edges but with a forbidden subgraph. 670 more words

Mathematics

#### Finding the Fibonacci Numbers: The Formula

This is the third post in a series about an exact formula for the Fibonacci numbers, , which are defined by the initial values and the recurrence relation . 949 more words

All Posts

#### A subgroup has equally many left and right cosets

[microreview]

We prove that a subgroup has the same number of left and right cosets.

https://doi.org/10.31219/osf.io/t4snh

Open Mathematics Collaboration

Would you like to… 20 more words

Sem Categoria

#### Maximal algebraic connectivity among graphs of bounded degree

The algebraic connectivity of a graph is its smallest nontrivial Laplacian eigenvalue. Equivalently, it is the minimum of edge sums over all functions normalized by and . 550 more words

Mathematics

Education

Education