Amir Ali Ahmadi

Orcid: 0000-0003-1590-7281

According to our database1, Amir Ali Ahmadi authored at least 58 papers between 2008 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
Generalized Ellipsoids.
CoRR, 2024

2023
A Sum of Squares Characterization of Perfect Graphs.
SIAM J. Appl. Algebra Geom., December, 2023

Sums of Separable and Quadratic Polynomials.
Math. Oper. Res., August, 2023

Learning Dynamical Systems with Side Information.
SIAM Rev., February, 2023

Higher-Order Newton Methods with Polynomial Work per Iteration.
CoRR, 2023

Safely Learning Dynamical Systems.
CoRR, 2023

2022
On the complexity of finding a local minimizer of a quadratic function over a polytope.
Math. Program., 2022

2021
Time-Varying Semidefinite Programs.
Math. Oper. Res., 2021

Semidefinite Programming and Nash Equilibria in Bimatrix Games.
INFORMS J. Comput., 2021

Safely Learning Dynamical Systems from Short Trajectories.
Proceedings of the 3rd Annual Conference on Learning for Dynamics and Control, 2021

2020
On Algebraic Proofs of Stability for Homogeneous Vector Fields.
IEEE Trans. Autom. Control., 2020

On the complexity of testing attainment of the optimal value in nonlinear optimization.
Math. Program., 2020

On the complexity of detecting convexity over a box.
Math. Program., 2020

Complexity aspects of local minima and related notions.
CoRR, 2020

Recent Scalability Improvements for Semidefinite Programming with Applications in Machine Learning, Control, and Robotics.
Annu. Rev. Control. Robotics Auton. Syst., 2020

2019
Polynomial Norms.
SIAM J. Optim., 2019

DSOS and SDSOS Optimization: More Tractable Alternatives to Sum of Squares and Semidefinite Optimization.
SIAM J. Appl. Algebra Geom., 2019

On the Construction of Converging Hierarchies for Polynomial Optimization Based on Certificates of Global Positivity.
Math. Oper. Res., 2019

A Survey of Recent Scalability Improvements for Semidefinite Programming with Applications in Machine Learning, Control, and Robotics.
CoRR, 2019

2018
A globally asymptotically stable polynomial vector field with rational coefficients and no local polynomial Lyapunov function.
Syst. Control. Lett., 2018

DC decomposition of nonconvex polynomials with algebraic techniques.
Math. Program., 2018

Robust-to-Dynamics Optimization.
CoRR, 2018

SOS-Convex Lyapunov Functions and Stability of Difference Inclusions.
CoRR, 2018

2017
Some Recent Directions in Algebraic Methods for Optimization and Lyapunov Analysis.
Proceedings of the Geometric and Numerical Foundations of Movements, 2017

A Characterization of Lyapunov Inequalities for Stability of Switched Systems.
IEEE Trans. Autom. Control., 2017

Sum of Squares Certificates for Stability of Planar, Homogeneous, and Switched Systems.
IEEE Trans. Autom. Control., 2017

Optimization over structured subsets of positive semidefinite matrices via column generation.
Discret. Optim., 2017

Response to "Counterexample to global convergence of DSOS and SDSOS hierarchies".
CoRR, 2017

Geometry of 3D Environments and Sum of Squares Polynomials.
Proceedings of the Robotics: Science and Systems XIII, 2017

Improving efficiency and scalability of sum of squares optimization: Recent advances and limitations.
Proceedings of the 56th IEEE Annual Conference on Decision and Control, 2017

2016
Some applications of polynomial optimization in operations research and real-time decision making.
Optim. Lett., 2016

2015
Lower Bounds on Complexity of Lyapunov Functions for Switched Linear Systems.
CoRR, 2015

Sum of Squares Basis Pursuit with Linear and Second Order Cone Programming.
CoRR, 2015

Robust-to-dynamics linear programming.
Proceedings of the 54th IEEE Conference on Decision and Control, 2015

2014
Joint Spectral Radius and Path-Complete Graph Lyapunov Functions.
SIAM J. Control. Optim., 2014

DSOS and SDSOS optimization: LP and SOCP-based alternatives to sum of squares optimization.
Proceedings of the 48th Annual Conference on Information Sciences and Systems, 2014

Control and verification of high-dimensional systems with DSOS and SDSOS programming.
Proceedings of the 53rd IEEE Conference on Decision and Control, 2014

Towards scalable algorithms with formal guarantees for Lyapunov analysis of control systems via algebraic optimization.
Proceedings of the 53rd IEEE Conference on Decision and Control, 2014

2013
A Complete Characterization of the Gap between Convexity and SOS-Convexity.
SIAM J. Optim., 2013

NP-hardness of deciding convexity of quartic polynomials and related problems.
Math. Program., 2013

Stability of Polynomial Differential Equations: Complexity and Converse Lyapunov Questions.
CoRR, 2013

Control design along trajectories with sums of squares programming.
Proceedings of the 2013 IEEE International Conference on Robotics and Automation, 2013

Switched stability of nonlinear systems via SOS-convex Lyapunov functions and semidefinite programming.
Proceedings of the 52nd IEEE Conference on Decision and Control, 2013

Complexity of ten decision problems in continuous time dynamical systems.
Proceedings of the American Control Conference, 2013

2012
A convex polynomial that is not sos-convex.
Math. Program., 2012

Algebraic Relaxations and Hardness Results in Polynomial Optimization and Lyapunov Analysis
CoRR, 2012

When Is a Set of LMIs a Sufficient Condition for Stability?
Proceedings of the 7th IFAC Symposium on Robust Control Design, 2012

Joint spectral radius of rank one matrices and the maximum cycle mean problem.
Proceedings of the 51th IEEE Conference on Decision and Control, 2012

Feasibility checks and control laws for reconfigurations of spacecraft clusters.
Proceedings of the American Control Conference, 2012

On the difficulty of deciding asymptotic stability of cubic homogeneous vector fields.
Proceedings of the American Control Conference, 2012

2011
Algebraic relaxations and hardness results in polynomial optimization and Lyapunov analysis.
PhD thesis, 2011

Analysis of the joint spectral radius via Lyapunov functions on path-complete graphs.
Proceedings of the 14th ACM International Conference on Hybrid Systems: Computation and Control, 2011

Converse results on existence of sum of squares Lyapunov functions.
Proceedings of the 50th IEEE Conference on Decision and Control and European Control Conference, 2011

A globally asymptotically stable polynomial vector field with no polynomial Lyapunov function.
Proceedings of the 50th IEEE Conference on Decision and Control and European Control Conference, 2011

On higher order derivatives of Lyapunov functions.
Proceedings of the American Control Conference, 2011

2010
On the equivalence of algebraic conditions for convexity and quasiconvexity of polynomials.
Proceedings of the 49th IEEE Conference on Decision and Control, 2010

2009
A positive definite polynomial Hessian that does not factor.
Proceedings of the 48th IEEE Conference on Decision and Control, 2009

2008
Non-monotonic Lyapunov functions for stability of discrete time nonlinear and switched systems.
Proceedings of the 47th IEEE Conference on Decision and Control, 2008


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