Run python3 scrape_arxiv.py --list-categories to see all 100+ categories, or reference this list:

Popular/High-Volume:

• cs.AI - Artificial Intelligence
• cs.LG - Machine Learning
• cs.CV - Computer Vision and Pattern Recognition
• cs.CL - Computation and Language (NLP)
• cs.CR - Cryptography and Security
• cs.RO - Robotics

Systems & Architecture:

• cs.AR - Hardware Architecture
• cs.DC - Distributed, Parallel, and Cluster Computing
• cs.OS - Operating Systems
• cs.NI - Networking and Internet Architecture
• cs.PF - Performance
• cs.SY - Systems and Control

Theory:

• cs.CC - Computational Complexity
• cs.DS - Data Structures and Algorithms
• cs.DM - Discrete Mathematics
• cs.FL - Formal Languages and Automata Theory
• cs.GT - Computer Science and Game Theory
• cs.LO - Logic in Computer Science

Software & Engineering:

• cs.SE - Software Engineering
• cs.PL - Programming Languages
• cs.DB - Databases
• cs.IR - Information Retrieval

Other CS:

• cs.CG - Computational Geometry
• cs.CY - Computers and Society
• cs.GR - Graphics
• cs.HC - Human-Computer Interaction
• cs.IT - Information Theory
• cs.MA - Multiagent Systems
• cs.MM - Multimedia
• cs.NE - Neural and Evolutionary Computing
• cs.SC - Symbolic Computation
• cs.SD - Sound
• cs.SI - Social and Information Networks

Algebra & Geometry:

• math.AG - Algebraic Geometry
• math.AC - Commutative Algebra
• math.GR - Group Theory
• math.RT - Representation Theory
• math.RA - Rings and Algebras
• math.DG - Differential Geometry
• math.GT - Geometric Topology
• math.SG - Symplectic Geometry

Analysis:

• math.AP - Analysis of PDEs
• math.CA - Classical Analysis and ODEs
• math.FA - Functional Analysis
• math.CV - Complex Variables
• math.SP - Spectral Theory

Applied Math:

• math.NA - Numerical Analysis
• math.OC - Optimization and Control
• math.PR - Probability
• math.ST - Statistics Theory
• math.DS - Dynamical Systems

Discrete Math:

• math.CO - Combinatorics
• math.NT - Number Theory
• math.LO - Logic

Other Math:

• math.AT - Algebraic Topology
• math.CT - Category Theory
• math.IT - Information Theory
• math.MP - Mathematical Physics
• math.QA - Quantum Algebra

Computational & Applied:

• physics.comp-ph - Computational Physics
• physics.app-ph - Applied Physics
• physics.data-an - Data Analysis, Statistics and Probability

Classical & Fundamental:

• physics.class-ph - Classical Physics
• physics.gen-ph - General Physics
• physics.optics - Optics
• physics.flu-dyn - Fluid Dynamics

Specialized:

• physics.acc-ph - Accelerator Physics
• physics.ao-ph - Atmospheric and Oceanic Physics
• physics.atm-clus - Atomic and Molecular Clusters
• physics.atom-ph - Atomic Physics
• physics.bio-ph - Biological Physics
• physics.chem-ph - Chemical Physics
• physics.geo-ph - Geophysics
• physics.ins-det - Instrumentation and Detectors
• physics.med-ph - Medical Physics
• physics.plasm-ph - Plasma Physics
• physics.soc-ph - Physics and Society
• physics.space-ph - Space Physics

• stat.ML - Machine Learning
• stat.AP - Applications
• stat.CO - Computation
• stat.ME - Methodology
• stat.TH - Statistics Theory

• q-bio.BM - Biomolecules
• q-bio.CB - Cell Behavior
• q-bio.GN - Genomics
• q-bio.MN - Molecular Networks
• q-bio.NC - Neurons and Cognition
• q-bio.PE - Populations and Evolution
• q-bio.QM - Quantitative Methods
• q-bio.SC - Subcellular Processes
• q-bio.TO - Tissues and Organs