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Lectures on 2D gravity and 2D string theory (TASI 1992)

Canonical reference. 100% of citing Pith papers cite this work as background.

11 Pith papers citing it
Background 100% of classified citations
abstract

Emphasis is on 2d target space (c=1 coupled to gravity). Contents: 0. Introduction, Overview, and Purpose 1. Loops and States in Conformal Field Theory 2. 2D Euclidean Quantum Gravity I: Path Integral Approach 3. Brief Review of the Liouville Theory 4. 2D Euclidean Quantum Gravity II: Canonical Approach 5. 2D Critical String Theory 6. Discretized surfaces, matrix models, and the continuum limit 7. Matrix Model Technology I: Method of Orthogonal Polynomials 8. Matrix Model Technology II: Loops on the Lattice 9. Matrix Model Technology III: Free Fermions from the Lattice 10. Loops and States in Matrix Model Quantum Gravity 11. Loops and States in the $c=1$ Matrix Model 12. Fermi Sea Dynamics and Collective Field Theory 13. String scattering in two spacetime dimensions 14. Vertex Operator Calculations and Continuum Methods 15. Achievements, Disappointments, Future Prospects "if you read only one set of lecture notes this year, don't read these."

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representative citing papers

The Super Virasoro Minimal String from 3d Supergravity

hep-th · 2026-04-28 · unverdicted · novelty 8.0

The super Virasoro minimal string arises from quantizing 3d supergravity, with 0A+ and 0B+ dual to the bosonic minimal string matrix integral, 0B- to one with inverse square root singularity, and 0A- having vanishing non-trivial perturbative amplitudes.

de Sitter Vacua & pUniverses

hep-th · 2026-05-04 · conditional · novelty 7.0

The charge-p Schwinger model on de Sitter space has p distinct, locally indistinguishable, de Sitter-invariant Hadamard vacuum states produced by spontaneously broken discrete Z_p symmetries.

$c=1$ strings as a matrix integral

hep-th · 2026-04-07 · unverdicted · novelty 7.0

The perturbative c=1 string S-matrix equals a double-scaled matrix integral on the spectral curve x=2√2 cos(z), y=sin(z), establishing a worldsheet–MQM–matrix-integral triality.

Group character averages via a single Laguerre

hep-th · 2026-02-17 · unverdicted · novelty 6.0

Generic sum rules express arbitrary traces through convolutions of a single Laguerre polynomial for group character averages in Gaussian matrix models.

Spectral Form Factor of Gapped Random Matrix Systems

hep-th · 2026-01-28 · unverdicted · novelty 6.0

In gapped random matrix systems with parametrically many degenerate ground states, the spectral form factor at low temperatures is dominated by the disconnected contribution at all times, while the connected form factor depends only on the non-degenerate eigenvalues.

Networks as the fundamental constituents of the universe

gr-qc · 2025-12-19 · unverdicted · novelty 6.0

Binary relations on random networks constitute the universe, with space and matter as phases of a statistical model whose Ollivier-Ricci curvature produces emergent 3D geometry, Einstein equations, and relativistic quantum mechanics at large scales.

Quantum Liouville Cosmology

hep-th · 2025-12-17 · conditional · novelty 6.0

Disk path integrals of timelike Liouville theory yield one-loop Hartle-Hawking-like wavefunctions in a fixed extrinsic-curvature representation, with a conjectured all-loop form and a K-independent pairing that may define a cosmological inner product.

All the D-Branes of Resurgence

hep-th · 2023-01-12 · unverdicted · novelty 6.0

Negative-tension ZZ-branes are required by resurgence to build complete transseries for minimal-string free energies, with analytic Stokes data and extensions to JT gravity and other string models.

Quantum chaos and the holographic principle

quant-ph · 2026-04-14 · unverdicted · novelty 1.0

A review of the chaos-assisted holographic correspondence linking the SYK model to 2D JT gravity, including the need for string theory corrections at fine quantum scales.

citing papers explorer

Showing 11 of 11 citing papers.

  • The Super Virasoro Minimal String from 3d Supergravity hep-th · 2026-04-28 · unverdicted · none · ref 5 · internal anchor

    The super Virasoro minimal string arises from quantizing 3d supergravity, with 0A+ and 0B+ dual to the bosonic minimal string matrix integral, 0B- to one with inverse square root singularity, and 0A- having vanishing non-trivial perturbative amplitudes.

  • From Matrix Models to Gaussian Molecules and the Einstein-Hilbert Action hep-th · 2026-04-08 · conditional · none · ref 22 · internal anchor

    The free energy of a D-dimensional matrix model with Gaussian heat-kernel propagator equals the Einstein-Hilbert action with cosmological constant, constants fixed by graph invariants of ribbon graphs.

  • de Sitter Vacua & pUniverses hep-th · 2026-05-04 · conditional · none · ref 63 · internal anchor

    The charge-p Schwinger model on de Sitter space has p distinct, locally indistinguishable, de Sitter-invariant Hadamard vacuum states produced by spontaneously broken discrete Z_p symmetries.

  • $c=1$ strings as a matrix integral hep-th · 2026-04-07 · unverdicted · none · ref 2 · internal anchor

    The perturbative c=1 string S-matrix equals a double-scaled matrix integral on the spectral curve x=2√2 cos(z), y=sin(z), establishing a worldsheet–MQM–matrix-integral triality.

  • Exact solution of the Seven-Vertex Model on a dynamical lattice hep-th · 2026-06-21 · accept · none · ref 4 · internal anchor

    Full parametric solution of the 7vMM spectral curve via Jacobi theta functions, with phase diagram and scaling asymptotics of the dense-massive tricritical point.

  • Group character averages via a single Laguerre hep-th · 2026-02-17 · unverdicted · none · ref 14 · internal anchor

    Generic sum rules express arbitrary traces through convolutions of a single Laguerre polynomial for group character averages in Gaussian matrix models.

  • Spectral Form Factor of Gapped Random Matrix Systems hep-th · 2026-01-28 · unverdicted · none · ref 20 · internal anchor

    In gapped random matrix systems with parametrically many degenerate ground states, the spectral form factor at low temperatures is dominated by the disconnected contribution at all times, while the connected form factor depends only on the non-degenerate eigenvalues.

  • Networks as the fundamental constituents of the universe gr-qc · 2025-12-19 · unverdicted · none · ref 85 · internal anchor

    Binary relations on random networks constitute the universe, with space and matter as phases of a statistical model whose Ollivier-Ricci curvature produces emergent 3D geometry, Einstein equations, and relativistic quantum mechanics at large scales.

  • Quantum Liouville Cosmology hep-th · 2025-12-17 · conditional · none · ref 31 · internal anchor

    Disk path integrals of timelike Liouville theory yield one-loop Hartle-Hawking-like wavefunctions in a fixed extrinsic-curvature representation, with a conjectured all-loop form and a K-independent pairing that may define a cosmological inner product.

  • All the D-Branes of Resurgence hep-th · 2023-01-12 · unverdicted · none · ref 39 · internal anchor

    Negative-tension ZZ-branes are required by resurgence to build complete transseries for minimal-string free energies, with analytic Stokes data and extensions to JT gravity and other string models.

  • Quantum chaos and the holographic principle quant-ph · 2026-04-14 · unverdicted · none · ref 29 · internal anchor

    A review of the chaos-assisted holographic correspondence linking the SYK model to 2D JT gravity, including the need for string theory corrections at fine quantum scales.