Gravitational fields, spacetime geometry, gravitational radiation, and cosmological models, with each result tied to its physical setting and assumptions.
4 records · Includes focused interests · How we rate progress
Brenner, Cohen-Addad and Woodruff report six analytical methods for the integral controlling radiation from a specified Garfinkle–Vachaspati cosmic-string loop family, including exact spectral representations and a large-harmonic asymptotic formula with angular dependence.
Read original source Original AI-assisted cosmic-string calculationarxiv.org
Original report: 2026-03-05Cheung, Dersy and Schwartz report a transformer-based simplifier that reduces long spinor-helicity expressions and produces new compact five-point scalar and graviton amplitude expressions, alongside recovering the known five-gluon Parke–Taylor expression.
Read original source Original amplitude-simplification paper v2arxiv.org
Original report: 2024-08-08Guevara, Lupsasca, Skinner, Strominger and Weil report nonzero tree-level single-minus graviton amplitudes at half-collinear kinematics, solving a recursion as a sum over trees and obtaining a product of soft factors in a restricted decay region.
Read original source Original paper v2: single-minus graviton tree amplitudesarxiv.org
Original report: 2026-03-04OpenAI reports the sharp invariant-mass lower bound in terms of minimum enclosing area for one-ended spacetime initial-data exteriors in every dimension n≥3, under the paper’s energy, trapping and decay assumptions.
Read original source Pinned primary manuscript · family 260github.com
Original report: 2026-10-06Gravitational fields, spacetime geometry, gravitational radiation, and cosmological models, with each result tied to its physical setting and assumptions.
Related focused interests retain their own statements and baselines. Contributions can belong to more than one broad topic, but each record counts once within a topic.
Background review: 2026-10-13. Selected sources:
Publication dates and editorial changes.
Gemini-assisted analytical solutions for a cosmic-string radiation integral
Neural networks produce compact scalar and graviton scattering expressions
AI-assisted recursion and formulas for single-minus graviton amplitudes
OpenAI reports: The enclosing-area spacetime Penrose inequality
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