Open access to 1,690,252 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance, Statistics, Electrical Engineering and Systems Science, and Economics

12 Jan 2015: Reflections on the 1 million paper milestone

12 Jan 2015: A project update, including a brief summary of activities in 2014, has been posted

1 Jan 2015: New members join arXiv Scientific Advisory Board

See cumulative "What's New" pages.
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## Physics

- Astrophysics (
**astro-ph**new, recent, find)

includes: Astrophysics of Galaxies; Cosmology and Nongalactic Astrophysics; Earth and Planetary Astrophysics; High Energy Astrophysical Phenomena; Instrumentation and Methods for Astrophysics; Solar and Stellar Astrophysics - Condensed Matter (
**cond-mat**new, recent, find)

includes: Disordered Systems and Neural Networks; Materials Science; Mesoscale and Nanoscale Physics; Other Condensed Matter; Quantum Gases; Soft Condensed Matter; Statistical Mechanics; Strongly Correlated Electrons; Superconductivity - General Relativity and Quantum Cosmology (
**gr-qc**new, recent, find) - High Energy Physics - Experiment (
**hep-ex**new, recent, find) - High Energy Physics - Lattice (
**hep-lat**new, recent, find) - High Energy Physics - Phenomenology (
**hep-ph**new, recent, find) - High Energy Physics - Theory (
**hep-th**new, recent, find) - Mathematical Physics (
**math-ph**new, recent, find) - Nonlinear Sciences (
**nlin**new, recent, find)

includes: Adaptation and Self-Organizing Systems; Cellular Automata and Lattice Gases; Chaotic Dynamics; Exactly Solvable and Integrable Systems; Pattern Formation and Solitons - Nuclear Experiment (
**nucl-ex**new, recent, find) - Nuclear Theory (
**nucl-th**new, recent, find) - Physics (
**physics**new, recent, find)

includes: Accelerator Physics; Applied Physics; Atmospheric and Oceanic Physics; Atomic Physics; Atomic and Molecular Clusters; Biological Physics; Chemical Physics; Classical Physics; Computational Physics; Data Analysis, Statistics and Probability; Fluid Dynamics; General Physics; Geophysics; History and Philosophy of Physics; Instrumentation and Detectors; Medical Physics; Optics; Physics Education; Physics and Society; Plasma Physics; Popular Physics; Space Physics - Quantum Physics (
**quant-ph**new, recent, find)

## Mathematics

- Mathematics (
**math**new, recent, find)

includes (see detailed description): Algebraic Geometry; Algebraic Topology; Analysis of PDEs; Category Theory; Classical Analysis and ODEs; Combinatorics; Commutative Algebra; Complex Variables; Differential Geometry; Dynamical Systems; Functional Analysis; General Mathematics; General Topology; Geometric Topology; Group Theory; History and Overview; Information Theory; K-Theory and Homology; Logic; Mathematical Physics; Metric Geometry; Number Theory; Numerical Analysis; Operator Algebras; Optimization and Control; Probability; Quantum Algebra; Representation Theory; Rings and Algebras; Spectral Theory; Statistics Theory; Symplectic Geometry

## Computer Science

- Computing Research Repository (
**CoRR**new, recent, find)

includes (see detailed description): Artificial Intelligence; Computation and Language; Computational Complexity; Computational Engineering, Finance, and Science; Computational Geometry; Computer Science and Game Theory; Computer Vision and Pattern Recognition; Computers and Society; Cryptography and Security; Data Structures and Algorithms; Databases; Digital Libraries; Discrete Mathematics; Distributed, Parallel, and Cluster Computing; Emerging Technologies; Formal Languages and Automata Theory; General Literature; Graphics; Hardware Architecture; Human-Computer Interaction; Information Retrieval; Information Theory; Logic in Computer Science; Machine Learning; Mathematical Software; Multiagent Systems; Multimedia; Networking and Internet Architecture; Neural and Evolutionary Computing; Numerical Analysis; Operating Systems; Other Computer Science; Performance; Programming Languages; Robotics; Social and Information Networks; Software Engineering; Sound; Symbolic Computation; Systems and Control

## Quantitative Biology

- Quantitative Biology (
**q-bio**new, recent, find)

includes (see detailed description): Biomolecules; Cell Behavior; Genomics; Molecular Networks; Neurons and Cognition; Other Quantitative Biology; Populations and Evolution; Quantitative Methods; Subcellular Processes; Tissues and Organs

## Quantitative Finance

- Quantitative Finance (
**q-fin**new, recent, find)

includes (see detailed description): Computational Finance; Economics; General Finance; Mathematical Finance; Portfolio Management; Pricing of Securities; Risk Management; Statistical Finance; Trading and Market Microstructure

## Statistics

- Statistics (
**stat**new, recent, find)

includes (see detailed description): Applications; Computation; Machine Learning; Methodology; Other Statistics; Statistics Theory

## Electrical Engineering and Systems Science

- Electrical Engineering and Systems Science (
**eess**new, recent, find)

includes (see detailed description): Audio and Speech Processing; Image and Video Processing; Signal Processing; Systems and Control

## Economics

- Economics (
**econ**new, recent, find)

includes (see detailed description): Econometrics; General Economics; Theoretical Economics

## About arXiv

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