A unified framework of SAGE and SONC polynomials and its duality theory

L Katthän, H Naumann, T Theobald - Mathematics of Computation, 2021 - ams.org
We introduce and study a cone which consists of a class of generalized polynomial functions
and which provides a common framework for recent non-negativity certificates of …

Symmetry reduction in AM/GM-based optimization

P Moustrou, H Naumann, C Riener, T Theobald… - SIAM Journal on …, 2022 - SIAM
The arithmetic mean/geometric mean inequality (AM/GM inequality) facilitates classes of
nonnegativity certificates and of relaxation techniques for polynomials and, more generally …

The dual cone of sums of non-negative circuit polynomials

M Dressler, H Naumann, T Theobald - Advances in Geometry, 2021 - degruyter.com
For a non-empty, finite subset A⊆ N 0 n let C sonc (𝒜)∈ ℝ [x 1,..., xn] be the cone of sums of
non-negative circuit polynomials with support 𝒜. We derive a representation of the dual cone …

Sparse non-SOS Putinar-type Positivstellens\" atze

LM Roebers, JC Vera, LF Zuluaga - arXiv preprint arXiv:2110.10079, 2021 - arxiv.org
Recently, non-SOS Positivstellens\" atze for polynomials on compact semialgebraic sets,
following the general form of Schm\"{u} dgen's Positivstellensatz, have been derived by …

Sublinear circuits and the constrained signomial nonnegativity problem

R Murray, H Naumann, T Theobald - Mathematical Programming, 2023 - Springer
Abstract Conditional Sums-of-AM/GM-Exponentials (conditional SAGE) is a decomposition
method to prove nonnegativity of a signomial or polynomial over some subset X of real …

[图书][B] Real algebraic geometry and optimization

T Theobald - 2024 - books.google.com
This book provides a comprehensive and user-friendly exploration of the tremendous recent
developments that reveal the connections between real algebraic geometry and …

The -cone and a primal-dual view on second-order representability

H Naumann, T Theobald - … zur Algebra und Geometrie/Contributions to …, 2021 - Springer
The S S-cone provides a common framework for cones of polynomials or exponential sums
which establish non-negativity upon the arithmetic-geometric inequality, in particular for …

Geometrical study of the cone of sums of squares plus sums of nonnegative circuits

M Dressler, S Kuhlmann, M Schick - arXiv preprint arXiv:2305.14848, 2023 - arxiv.org
In this article, we combine sums of squares (SOS) and sums of nonnegative circuit (SONC)
forms, two independent nonnegativity certificates for real homogeneous polynomials. We …

On the theory and applications of mechanism design and coalitional games in electricity markets

O Karaca - arXiv preprint arXiv:2012.05047, 2020 - arxiv.org
Although the specific structures of electricity markets are diverse around the world, they were
all conceived on the premise of predictable, controllable generation with nonnegligible …

Relative entropy methods in constrained polynomial and signomial optimization

T Theobald - Polynomial Optimization, Moments, and Applications, 2023 - Springer
Relative entropy programs belong to the class of convex optimization problems. Within
techniques based on the arithmetic-geometric mean inequality, they facilitate to compute …