{"total":19,"items":[{"citing_arxiv_id":"2607.05327","ref_index":15,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Cosmological Correlators in KLF and the Double-Exchange","primary_cat":"hep-th","submitted_at":"2026-07-06T17:02:19+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":7.0,"formal_verification":"none","one_line_summary":"The double-exchange cosmological correlator is computed in KLF space, yielding a double series over hypergeometric functions that improves on prior four-layer representations.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.27311","ref_index":34,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Massive Cosmological Correlators from Flat Space: a Laplace-Space Approach","primary_cat":"hep-th","submitted_at":"2026-06-25T17:29:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"A Laplace-space representation converts massive single-exchange cosmological correlators in de Sitter into a rapidly convergent series derived from flat-space integrals.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.27309","ref_index":18,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Laplace Space for Cosmological Correlators","primary_cat":"hep-th","submitted_at":"2026-06-25T17:28:21+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Laplace transform converts cosmological correlator diagrams into flat-space integrals against kernels, yielding a closed-form rapidly convergent series for the massive single-exchange case valid across the full kinematic domain.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.26221","ref_index":36,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"De Sitter Representations","primary_cat":"hep-th","submitted_at":"2026-06-24T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":0.0,"formal_verification":"none","one_line_summary":"Review of so(1,D) representations for de Sitter space across all D, covering mixed symmetry and fermions, connected to propagating fields.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.13627","ref_index":51,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"A Graphical Coaction for FRW Integrals from Partial/Relative Twisted (Co)homology","primary_cat":"hep-th","submitted_at":"2026-06-11T17:40:20+00:00","verdict":"UNVERDICTED","verdict_confidence":"MODERATE","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Constructs a graphical coaction for all-loop FRW integrals in conformally-coupled scalar theories via twisted (co)homology, with combinatorial description of kinematic flow and a public web app for computation.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.02686","ref_index":87,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"On-Shell Bootstrap of Loop Inflation Correlators with Spectral Dispersion","primary_cat":"hep-th","submitted_at":"2026-06-01T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Introduces spectral dispersion bootstrap combining dS spectral decomposition and dispersion relations to compute 3- and 4-point loop correlators with massive scalar and vector exchanges.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.30797","ref_index":5,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"A Boolean-Lattice Perspective for All-Loop Two-Site Cosmological Wavefunction","primary_cat":"hep-th","submitted_at":"2026-05-29T03:40:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"The all-loop two-site cosmological wavefunction coefficient admits an equivalent maximal-chain expansion on the Boolean lattice that unifies the shifted-tree decomposition and the tubing construction via finite-difference operators and cubical integrals.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.30475","ref_index":24,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Cosmological Weight-Shifting Matrices","primary_cat":"hep-th","submitted_at":"2026-05-28T18:46:47+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Introduces weight-shifting matrices for de Sitter diagrams, generalized with Kronecker products to arbitrary tree-level graphs, to derive massless wavefunction coefficients from conformally coupled seeds.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.21581","ref_index":20,"ref_count":2,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Cosmological Collider in the Grassmannian","primary_cat":"hep-th","submitted_at":"2026-05-20T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Four-point wavefunction coefficients for external conformally coupled scalars exchanging a particle of generic mass and spin are expressed in closed form as hypergeometric functions of Mandelstam invariants times Legendre polynomials in the cosmological Grassmannian.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.17751","ref_index":2,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"An Alternative Viewpoint on Kinematic Flow from Tubing Splitting","primary_cat":"hep-th","submitted_at":"2026-05-18T02:10:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Reversing the direction of tubing evolution yields splitting rules that reproduce the kinematic flow differential equations at tree level and suggest time emerges from kinematic space in conformally coupled scalar models and tr phi^3 theory.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.06542","ref_index":19,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"de Sitter Wavefunction from Quadrangular Polylogarithms: Chain Graphs","primary_cat":"hep-th","submitted_at":"2026-05-07T16:38:23+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"The n-site chain graph contribution to the de Sitter cosmological wavefunction in conformally coupled φ³ theory is expressed explicitly in terms of Rudenko's quadrangular polylogarithms.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"It is interesting to extend the analysis to wavefunction coeffi- cients associated to loop graphs, which were shown in [25] to satisfy cluster adjacency (and in fact, by the same argument as in [26], total compatibility) with respect toB-type cluster algebras, or even to more general graphs. It was argued in [21, 25] that the \"kinematic flow\" equations [19] imply that total compatibility persists at arbitrary order in theϵex- pansion around dS space, and it is interesting to see whether quadrangular polylogarithm functions could be relevant for higher-order terms. We have considered only massless fields (i.e., conformally coupled fields in dS space), but kinematic flow equations for massive fields have recently been written down in [34] and it is natural to wonder whether they"},{"citing_arxiv_id":"2604.26421","ref_index":33,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"On the simplicity of de Sitter correlators","primary_cat":"hep-th","submitted_at":"2026-04-29T08:31:24+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"De Sitter correlators in conformally coupled φ³ theory admit a time-integral representation built from flat-space correlators, revealing intrinsic simplifications including vanishing of odd conjugate-momentum graphs and a smaller symbol alphabet than the corresponding wavefunction coefficients.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"from thed logrepresentations, both for wavefunction coefficients and for de Sitter correlators. In practice the computation becomes more challenging as the weight increases, but we are still able to obtain explicit symbols, for example for then-chain andn-gon up ton= 54. 3Readers unfamiliar with the formulation of symbol letters in terms of tubings may consult [33, 34] for a pedagogical introduction. 4In addition to the examples discussed in the main text, other symbol results, including the 4-site chain, 4-site star, 5-site star, box diagram and pentagon diagram, can be found in the ancillary files. - 22 - Our goal in this section is not a complete analysis of these symbols, but rather to present evidence that the symbol alphabet of the de Sitter correlator can be simpler than that of the"},{"citing_arxiv_id":"2604.22918","ref_index":17,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Kinematic Flow for Banana Loops and Unparticles","primary_cat":"hep-th","submitted_at":"2026-04-24T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Banana loop cosmological correlators are captured by master integrals from tubings of marked graphs, with connection matrices derived from activation, merger, swap, and copy rules unique to unparticle exchanges.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"organisation exposes hidden geometric and algebraic patterns [16]. Understanding and systematising these structures has therefore become a central theme in recent developments. A striking example of this emerging structure iskinematic flow[17-24]. It was ob- served that in power-law cosmology, a simple set of graphical rules can organise tree-level correlators [17, 18] (and later loop integrands [19]) associated with graph tubings, revealing universal patterns underlying their differential equations. From this perspective, the role of the Feynman diagrams is elevated from a computational tool to a combinatorial object - 1 - encoding analytic data. The structure of the differential equations, their singularities, and"},{"citing_arxiv_id":"2604.14549","ref_index":5,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Loop integrals in de Sitter spacetime: The parity-split IBP system and $\\mathrm{d}\\log$-form differential equations","primary_cat":"hep-th","submitted_at":"2026-04-16T02:30:24+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A parity-split IBP system for n-propagator families in de Sitter space is identified, along with a conjecture that dlog-form differential equations extend to dS integrands with Hankel functions, verified for the one-loop bubble.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Arkani-Hamed, C. Figueiredo, and F. Vaz˜ ao, JHEP 11, 029 (2025), arXiv:2412.19881 [hep-th]. [3] N. Arkani-Hamed, D. Baumann, A. Hillman, A. Joyce, H. Lee, and G. L. Pimentel, (2023), arXiv:2312.05303 [hep-th]. [4] N. Arkani-Hamed, D. Baumann, A. Hillman, A. Joyce, H. Lee, and G. L. Pimentel, Phys. Rev. Lett.135, 031602 (2025), arXiv:2312.05300 [hep-th]. [5] P. Benincasa, (2022), 10.1142/S0217751X22300101, arXiv:2203.15330 [hep-th]. [6] P. Benincasa and G. Dian, SciPost Phys.18, 105 (2025), arXiv:2401.05207 [hep-th]. [7] P. Benincasa and F. Vaz˜ ao, SciPost Phys.19, 029 (2025), arXiv:2402.06558 [hep-th]. [8] B. Fan and Z.-Z. Xianyu, JHEP12, 042 (2024), arXiv:2403.07050 [hep-th]. [9] P. Benincasa, G. Brunello, M."},{"citing_arxiv_id":"2604.08658","ref_index":4,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Differential Equations for Massive Correlators","primary_cat":"hep-th","submitted_at":"2026-04-09T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A graph-tubing combinatorial framework governs the first-order differential equations obeyed by master integrals for massive cosmological correlators in de Sitter space.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"that make their study tractable. One way to glimpse these features is to consider how cosmologi- cal correlations change as we change the parameters they depend on. For example, if we smoothly vary the kinematics, we expect observables to change continuously and therefore to satisfy dif- ferential equations that describe how their strength changes. In [4], these differential equations were studied in a simplified setting involving conformally coupled scalars with polynomial interac- tions in a power-law cosmology [5]. The integrals of interest are then generalized Euler integrals, which have close connections to the mathematics of twisted cohomology and hyperplane arrange- ments, as well as a beautiful geometric interpretation related to cosmological polytopes [5]."},{"citing_arxiv_id":"2512.23795","ref_index":5,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Correlators are simpler than wavefunctions","primary_cat":"hep-th","submitted_at":"2025-12-29T19:00:01+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Equal-time correlators are simpler than wavefunctions because they come from full-spacetime integrals; this implies fewer poles, cleaner factorization, and a systematic pole expansion whose first subleading term vanishes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.00152","ref_index":34,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Every Wrinkle Carries A Memory: An Integro-differential Bootstrap for Features in Cosmological Correlators","primary_cat":"hep-th","submitted_at":"2025-10-31T18:00:12+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"Derives integro-differential boundary equations from bulk locality for scale-breaking cosmological correlators with oscillating heavy-field masses and solves them analytically and numerically to reveal enhanced collider signals.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Rules,2503.10598. [31] B. Fan and Z.-Z. Xianyu,Anatomy of Family Trees in Cosmological Correlators, 2509.02684. [32] M. Carrillo Gonz' alez and T. Keseman,Spinning Boundary Correlators from (A)dS 4 Twistors,2510.00096. [33] S. Jazayeri, E. Pajer and D. Stefanyszyn,From locality and unitarity to cosmological correlators,JHEP10(2021) 065 [2103.08649]. [34] N. Arkani-Hamed, D. Baumann, A. Hillman, A. Joyce, H. Lee and G.L. Pimentel, Differential Equations for Cosmological Correlators,2312.05303. [35] T.W. Grimm and A. Hoefnagels,Reductions of GKZ systems and applications to cosmological correlators,JHEP04(2025) 196 [2409.13815]. 69 [36] J. Chen, B. Feng and Y.-X. Tao,Multivariate hypergeometric solutions of cosmological"},{"citing_arxiv_id":"2505.16071","ref_index":21,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"A Match Made in Heaven: Linking Observables in Inflationary Cosmology","primary_cat":"hep-th","submitted_at":"2025-05-21T23:07:18+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"In dynamical Chern-Simons inflation the parity-odd trispectrum is a double copy of the mixed bispectrum and parity-odd power spectrum via a prior factorization formula.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Baumann, C. Duaso Pueyo, A. Joyce, H. Lee and G.L. Pimentel,The Cosmological Bootstrap: Spinning Correlators from Symmetries and Factorization,SciPost Phys.11(2021) 071 [2005.04234]. 38 [20] D. Baumann, W.-M. Chen, C. Duaso Pueyo, A. Joyce, H. Lee and G.L. Pimentel,Linking the singularities of cosmological correlators,JHEP09(2022) 010 [2106.05294]. [21] N. Arkani-Hamed, D. Baumann, A. Hillman, A. Joyce, H. Lee and G.L. Pimentel,Differential Equations for Cosmological Correlators,2312.05303. [22] E. Pajer,Building a Boostless Bootstrap for the Bispectrum,JCAP01(2021) 023 [2010.12818]. [23] S. Jazayeri, E. Pajer and D. Stefanyszyn,From locality and unitarity to cosmological correlators, JHEP10(2021) 065 [2103."},{"citing_arxiv_id":"2503.17840","ref_index":90,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Strongly Coupled Sectors in Inflation: Gapless Theories and Unparticles","primary_cat":"hep-th","submitted_at":"2025-03-22T19:03:59+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Computes inflationary bispectra and trispectra from tree-level unparticle exchanges using Mellin-Barnes methods and symmetry-based differential equations, revealing that full shapes are needed to distinguish unparticles from light particles.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}