Information theory
Information theory is a branch of applied mathematics, electrical engineering, and computer science involving the quantification of information. Information theory was developed by Claude E. Shannon ...
Information theory - Wikipedia
Quantum computing’s also-rans and their fatal flaws
When it comes to performance, engineering matters more than physics.
Quantum gold rush: the private funding pouring into quantum start-ups
A Nature analysis explores the investors betting on quantum technology. The science is immature and a multi-purpose quantum computer doesn’t yet exist. But that isn’t stopping investors pouring cash ...
IBM Unveils Groundbreaking Quantum Computing System
The Q System One is the first quantum system to consolidate thousands of components into a glass-enclosed, air-tight environment built specifically for business use. Subscribe to Fortune - http://ww...
IBM Unveils World's First Integrated Quantum Computing System for Commercial Use - Jan 8, 2019
IBM to Open Quantum Computation Center for Commercial Clients in Poughkeepsie, NY YORKTOWN HEIGHTS, N.Y., Jan. 8, 2019 /PRNewswire/ -- At the 2019 Consumer Electronics Show (CES), IBM (NYSE: IBM)...
Another step forward on universal quantum computer
Researchers have demonstrated holonomic quantum gates under zero-magnetic field at room temperature, which could enable the realization of fast and fault-tolerant universal quantum computers.
We’re Close to a Universal Quantum Computer, Here’s Where We’re At
Scientists are racing to build the world’s first universal quantum computer. Follow Focal Point for more like this!
Flip-flop qubits: a whole new quantum computing architecture
UNSW engineers have developed a completely new architecture for quantum computing, based on what they’re calling ‘flip-flop qubits’, that promise to make the eventual large-scale manufacture of quantu...
Schrödinger’s cat just got even weirder (and even more confusing)
The researchers hope their findings will help make quantum computers a reality.
IBM opens first quantum computer cloud
This is a new kind of computer that works differently than normal computers and has to be kept in a special refrigerator at outer-space temperatures.
Fredkin Gate Breakthrough Overcomes Obstacle In Quantum Computing
Particles of light helped simplify the process of building the quantum computer circuit's Fredkin gates. The breakthrough overcomes one of the obstacles of quantum computing.
MIT scientists build world's first scalable quantum computer
Quantum computing now “much more an engineering effort, and not a basic physics question,” claims MIT professor Isaac Chuang,Hardware ,quantum computing
The Subatomic Race to Harness Quantum Science
An assortment of world super powers awaits the superpower that harnesses quantum science: unhackable communications, radars that see underground, supercomputers that make today’s biggest machines look...
Analog Simulators Could Be Shortcut To Universal Quantum Computers
First, researchers are developing unique quantum error-correction techniques that will help keep quantum processors up and running for the time needed to complete a calculation. Second, physicists are...
New Chip Architecture May Provide Foundation For Quantum Computer
Quantum computers are in theory capable of simulating the interactions of molecules at a level of detail far beyond the capabilities of even the largest supercomputers today. Such simulations could re...
7 Awesome Ways Quantum Computers Will Change The World
Imagine you only have five minutes to find an "X" written on a page of a book in the Library of Congress (which has 50 million books). It would be impossible. But if you were in 50 million parallel re...
History of information theory
The decisive event which established the discipline of information theory, and brought it to immediate worldwide attention, was the publication of Claude E. Shannon's classic paper "A Mathematical The...
Entropy (information theory)
In information theory, entropy is the average amount of information contained in each message received. Here, message stands for an event, sample or character drawn from a distribution or data stream....
Entropy (information theory) - Wikipedia
Quantities of information
The mathematical theory of information is based on probability theory and statistics, and measures information with several quantities of information. The choice of logarithmic base in the following ...
Quantities of information - Wikipedia
Coding theory
Coding theory is the study of the properties of codes and their fitness for a specific application. Codes are used for data compression, cryptography, error-correction and more recently also for netwo...
Coding theory - Wikipedia
Channel capacity
In electrical engineering, computer science and information theory, channel capacity is the tight upper bound on the rate at which information can be reliably transmitted over a communications channel...
Channel capacity - Wikipedia
Data compression
In digital signal processing, data compression, source coding,or bit-rate reduction involves encoding information using fewer bits than the original representation. Compression can be either lossy or...
Network performance
Network performance refers to measures of service quality of a telecommunications product as seen by the customer.The following list gives examples of network performance measures for a circuit-switch...
Quantum information theory
In physics and computer science, quantum information is physical information that is held in the state of a quantum system. Quantum information is the basic entity that is studied in the burgeoning fi...
Algorithmic information theory
Algorithmic information theory is a subfield of information theory and computer science that concerns itself with the relationship between computation and information. According to Gregory Chaitin, it...
Data differencing
In computer science and information theory, data differencing or differential compression is producing a technical description of the difference between two sets of data – a source and a target. Forma...
Detection theory
Detection theory, or signal detection theory, is a means to quantify the ability to discern between information-bearing patterns (called stimulus in humans, signal in machines) and random patterns tha...
Error detection and correction
In information theory and coding theory with applications in computer science and telecommunication, error detection and correction or error control are techniques that enable reliable delivery of dig...