Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T14:21:18.118527Z
Paper Citation Record · LEDGER
As of 13 August 2026, this Paper Citation Record lists 57 of 57 outbound references and 0 inbound Pith citation observations for arXiv:2505.19454.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T14:21:18.118527Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-13T06:32:02.005865+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
57 of 57 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 3e3ca1e7-79b1-4ff5-81e5-964941924f1d · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation E.,Applied optimal control: optimization, estimation and control, Routledge, 2018
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 07d8d95c-1c40-4985-8411-9fbb78a33de4 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation A.,Spacecraft trajectory optimization, Vol
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 70f7aff3-5af6-495a-93fa-889ce2869f7d · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Direct trajectory optimization by a Chebyshev pseudospectral method,
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f744f056-96b7-48a6-afff-be317a102467 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Connections between the covector mapping theorem and convergence of pseudospectral methods for optimal control,
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fe311667-c6b3-4799-95be-0e83fd9310c7 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Costate computation by a Chebyshev pseudospectral method,
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 01a2fd33-85e8-4d5e-a714-53f5b5ae4843 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Direct–Indirect Hybrid Strategy for Optimal Powered Descent and Landing,
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation df688395-74dd-4ba3-93b7-4367eb857994 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Survey of numerical methods for trajectory optimization,
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 27010dee-398e-4137-82b5-fcab76e73915 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Survey of direct transcription for low-thrust space trajectory optimization with applications,
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1666fa0d-a3f7-4349-ab85-48ce7471c2e5 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation GPOPS-II: A MATLAB software for solving multiple-phase optimal control problems using hp-adaptive Gaussian quadrature collocation methods and sparse nonlinear programming,
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3e70129f-0484-4973-a80d-340b84b09794 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Enhancements to the DIDO Optimal Control Toolbox
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4a3a01e3-0870-4a33-9680-9a0b031c7ae3 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation SPARTAN: A Novel Pseudospectral Algorithm for Entry, Descent, andLandingAnalysis,
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 832bbd1b-cced-4182-a525-aec8f5724298 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Solving complex optimal control problems at no cost with PSOPT,
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 87ec40c0-4863-4624-961d-05341b6aa7a0 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation B.,Chebyshev Polynomials in Numerical Analysis, Oxford University Press, 1968
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 1b6e9652-bb9d-4fb5-8bdc-e698b32212dc · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation A Chebyshev technique for solving nonlinear optimal control problems,
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 7eebd947-6ea4-4107-9f48-d1c337409618 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Zero-propellant maneuver guidance,
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation bab9e0fd-ed27-4405-b919-3499790e2ceb · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation A review of pseudospectral optimal control: From theory to flight,
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b9024156-7208-4717-8760-afbd2eb86668 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation ThepseudospectralLegendremethodfordiscretizingoptimalcontrolproblems,
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9ef8ae25-9109-444c-afeb-266e2fb02ccc · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Legendre pseudospectral approximations of optimal control problems,
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation e093e5b4-0136-4017-928b-ca0439b329fc · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Direct trajectory optimization and costate estimation via an orthogonal collocation method,
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d4937076-6c20-4e13-b768-220444a1a3ac · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation A Gauss pseudospectral transcription for optimal control,
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 58e3a4a0-18e9-4637-ac0f-5028a002c357 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Direct trajectory optimizationandcostateestimationoffinite-horizonandinfinite-horizonoptimalcontrolproblemsusingaRadaupseudospectral method,
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation e93d3928-d28e-4cd3-a21a-acc2a2def1cd · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation An overview of three pseudospectral methods for the numerical solution of optimal control problems,
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation b35a1027-116e-404e-a956-8eee6cb1216f · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation A Chebyshev approximation for solving optimal control problems,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 0ed42537-163d-4cbc-9a67-50ea932e1ae3 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation A spectral method based on the second kind Chebyshev polynomials for solving a class of fractional optimal control problems,
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 18ef45ee-0eaa-4b07-b93b-b5e95d7ab0b4 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Solving boundary value problems, integral, and integro-differential equations using Gegenbauer integration matrices,
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 87354e98-3395-404c-8994-0c0c70cfbd7a · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Fast, accurate, and small-scale direct trajectory optimization using a Gegenbauer transcription method,
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 8e6f20ae-d43b-4473-a9ed-20e6b3c69a8f · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Adaptive Collocation Methods Using Chebyshev Integration,
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation d8d6f5dd-0722-421f-bbdd-a3663668f7a2 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Comparison of global and local collocation methods for optimal control,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation ff7e0c06-410d-4482-81a6-99d7ca50b38e · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation An hp-adaptive pseudospectral method for solving optimal control problems,
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1d129221-7b57-4d3a-ade3-84abddc676bf · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation P.,Chebyshev and Fourier spectral methods, Courier Corporation, 2001
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 49cb7c64-724e-448e-832e-5e9fa0563048 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation https://doi.org/10.1201/9781420036114
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 076f6c98-52f9-4185-ac9c-aed395cbae98 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Direct Pseudospectral Optimal Control using Integral Chebyshev Collocation,
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation b984dcc9-f9d3-4188-ba00-cc91cb0a2e72 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Modified Chebyshev-Picard Iteration Methods for Solution of Initial Value and Boundary Value Problems,
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation ce826066-5f92-4a9a-ac84-6121a03b102a · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation P., Brychkov, Y
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 29b66a33-cd9d-41c6-8a6a-4755da2a2a07 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Inequalities for the Zeros of Legendre Polynomials and Related Functions,
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation ce1169b8-5dec-4af3-9804-21b40255231e · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation IQPACK: FORTRAN Subroutines for the Weights of Interpolary Quadratures,
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation ca640e5b-35ce-4462-ac18-950803861d8e · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Fast and Accurate Computation of Gauss-Legendre and Gauss-Jacobi Quadrature Nodes and Weights,
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 9ffae15e-ce3f-4d8c-b486-218da670bbf8 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Iteration-Free Computation of Gauss-Legendre Quadrature Nodes and Weights,
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 064d8a2c-acbd-41a0-8ee9-6fdec5d87ebd · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Methodus nova integralium valores per approximationem inveniende,
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 46c8c318-879f-4448-9e6f-0d18d05f3cea · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Calculation of Gauss Quadrature Rules,
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 294bef9f-056c-493e-8b54-7ab21b17ab0c · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation A.,Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 10th ed., National Bureau of Standards, Applied Mathematics Series, 1972
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 7e797ac3-549b-4159-a695-237fa6859f17 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Y., Quarteroni, A., and Jr., T
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 04d1ab7c-a9d4-4c74-8375-9b684baa0b89 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Unresolved cited work
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation ceea538e-35d0-4147-ba66-770458199af7 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation A method for numerical integration on an automatic computer,
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 9232bea4-06a3-4e57-b7dc-5a5f3845c8b2 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation On the infinite sequences arising in theories of harmonic analysis, of interpolation, and of mechanical quadrature,
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 5271ade6-a01c-40a8-a844-0393948c162f · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Generation of higher order pseudospectral integration matrices,
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 318a61e1-25fd-4ccf-91fb-7b2f4c60d781 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation E., and Ho, Y
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation e35132e9-3e8e-42f1-9ded-ff9921207a81 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Pseudospectral Chebyshev optimal control of constrained nonlinear dynamical systems,
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 6b603848-2264-4fcc-b79e-2a952e824c40 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Path-constrained trajectory optimization using sparse sequential quadrtic programming,
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation ff1fc2b8-be1d-41df-bf75-7185dd0e8c8e · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Vehicles: Falcon 9,
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 84c10e0f-a5ec-4d77-bcc8-253c2d17573a · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Autonomous Precision Landing of Space Rockets,
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation a320264b-686c-41cb-882d-d2f143ca4d4f · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation CVXGEN: a code generator for embedded convex optimization,
Reference 52
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 96732bc7-d7d0-433d-86e4-ace8d59d76e9 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Vehicles: Starship,
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation a7bc5e1d-b5dd-4d7c-a456-33986e8a15d5 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Space Launch in 50 Years: Abundance at Last?
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 98faf19d-4abb-4822-b3cd-c02c31b98b96 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation SpaceX successfully lands a Starship test flight,
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-13T06:32:02.005865+00:00.
Observation 62d316ab-6c92-45c4-834b-71c644017c8b · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Customized Real-Time First-Order Methods for Onboard Dual Quaternion-based 6-DoF Powered-Descent Guidance,
Reference 56
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f333bf1d-f174-4ad6-b1a6-9c9576334928 · outbound
Direct Pseudospectral Optimal Control by Orthogonal Polynomial Integral Collocation Real-Time Sequential Conic Optimization for Multi-Phase Rocket Landing Guidance,
Reference 57
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
No inbound Pith citation observations are available.