What's up in

# Multiplication

## Latest Articles

### AI Needs Enormous Computing Power. Could Light-Based Chips Help?

Optical neural networks, which use photons instead of electrons, have advantages over traditional systems. They also face major obstacles.

### New Breakthrough Brings Matrix Multiplication Closer to Ideal

By eliminating a hidden inefficiency, computer scientists have come up with a new way to multiply large matrices that’s faster than ever.

### AI Reveals New Possibilities in Matrix Multiplication

Inspired by the results of a game-playing neural network, mathematicians have been making unexpected advances on an age-old math problem.

### Computer Scientists Prove That Certain Problems Are Truly Hard

Finding out whether a question is too difficult to ever solve efficiently depends on figuring out just how hard it is. Researchers have now shown how to do that for a major class of problems.

### Researchers Identify ‘Master Problem’ Underlying All Cryptography

The existence of secure cryptography depends on one of the oldest questions in computational complexity.

### Matrix Multiplication Inches Closer to Mythic Goal

A recent paper set the fastest record for multiplying two matrices. But it also marks the end of the line for a method researchers have relied on for decades to make improvements.

### On Your Mark, Get Set, Multiply

The way you learned to multiply works, but computers employ a faster algorithm.

### Mathematicians Discover the Perfect Way to Multiply

By chopping up large numbers into smaller ones, researchers have rewritten a fundamental mathematical speed limit.