SEVENSA / RESEARCH INTELLIGENCEINDEPENDENT EDITORIAL ATLAS

Complexity theory

Check the problem size, uniformity, resource measure, reduction and approximation factor. A claim in one restricted model should not be promoted to a statement about every algorithm.

Explained dossiers

01OpenAI
ETH: 3-SAT ∉ 2^o(n) claimed false

A challenge to the Exponential Time Hypothesis

Some puzzles seem to get overwhelmingly harder as they grow. A new AI-generated argument claims that a famous prediction about how quickly this happens is wrong.

Under independent review↗
02OpenAI
Complexity theory

How hard is it to compute the permanent?

The determinant is a familiar way to combine a square matrix. Its cousin, the permanent, sums similar products without alternating signs. That small-looking change leads to a very different computational problem.

Formal proof reported↗

Research notes

Anthropic

Circuits Updates – September 2024

Complexity theory · provider_announcement

Preliminary interpretability notes on successor heads and on oversampling topics in sparse autoencoder training for safety-relevant features.

Automatically screened · not peer reviewed by this siteRead analysis note ↗
Anthropic

Circuits Updates – August 2024

Complexity theory · provider_announcement

Preliminary interpretability notes on quantified autointerpretability evaluations for sparse autoencoders and self-explaining features.

Automatically screened · not peer reviewed by this siteRead analysis note ↗
Anthropic

Circuits Updates – July 2024

Complexity theory · provider_announcement

Five open challenges for mechanistic interpretability, plus notes on linear representations, rare features, and measuring feature sensitivity.

Automatically screened · not peer reviewed by this siteRead analysis note ↗
Anthropic

Circuits Updates – June 2024

Complexity theory · provider_announcement

Comparing alternative sparse autoencoder architectures on the sparsity and reconstruction tradeoff, plus notes on external interpretability work.

Automatically screened · not peer reviewed by this siteRead analysis note ↗
Anthropic

Circuits Updates – April 2024

Complexity theory · provider_announcement

Preliminary interpretability notes on scaling laws for dictionary learning, sparse autoencoder training, and circuit-analysis techniques.

Automatically screened · not peer reviewed by this siteRead analysis note ↗
Anthropic

Circuits Updates — May 2023

Complexity theory · provider_announcement

Developing interpretability ideas on dictionary learning, defining features, and the possibility of superposition in attention heads.

Automatically screened · not peer reviewed by this siteRead analysis note ↗