Abstract: Constacyclic codes over finite fields are a family of linear codes and contain cyclic codes as a subclass. Constacyclic codes are related to many areas of mathematics and outperform cyclic ...

Abstract: This paper addresses the design of joint source-channel variable-length codes with maximal free distance for given codeword lengths. While previous design methods are mainly based on bounds ...

Cybersecurity researchers have discovered two malicious Google Chrome extensions with the same name and published by the same developer that come with capabilities to intercept traffic and capture ...

A modest hero has celebrated her 102nd birthday in the Highlands. Jean Munro, a World War Two codebreaker at Bletchley Park, now lives at a care home in Grantown. She worked in Hut 6 with the team ...

Older state pensioners across the UK are due to be handed an early payment boost of up to £705 before Christmas if they have a specific two-digit code. The State Pension is usually paid every four ...

Ruth Bourne, 98 and Bernard Morgan, 100, hold hands as they join World War Two veterans at a tea party organized by the Royal British Legion at The Ritz, London [PA] A World War Two codebreaker who ...