Let G be a directed graph such that every edge e of G is associated with a positive integer, called the index of e. Then G is called a network graph if, at every vertex v of G, the sum of the indices ...

The more time you spend in the blockchain and cryptocurrency industry, the more you encounter some fairly arcane technologies and their accompanying terminologies. Blockchain technology, which started ...

Bitcoin, created by an anonymous entity known as Satoshi Nakamoto, utilizes a blockchain, a distributed and immutable ledger that records all transactions in a linear fashion. Each block in the chain ...

* Why do you want to base this on Dijkstra's algorithm, which is designed to find a single shortest-path? Surely there are better options for your base implementation. A quick Google search suggests a ...

Authorizing access is a vital part of most any system’s security. But, for strong access control, simply asking “Where are you going?” is not enough. Asking “Where did you come from?” is also ...

Well, if I remember my graph theory well enough, if A is the adjacency matrix of the graph, each entry of A^n is the number of ways to get between the corresponding nodes in n steps or less. So, to do ...

In this paper we consider specific directed graphs called "ladders". The vertices of the graph are randomly colored by green or red. Deleting the edges with at least one red endpoint one gets a random ...