Search Results - "Liu, Muyang"

Back to heterotic strings on ALE spaces. Part I. Instantons, 2-groups and T-duality by Del Zotto, Michele, Liu, Muyang, Oehlmann, Paul-Konstantin

“…A bstract In this paper we begin revisiting the little string theories (LSTs) which govern the dynamics of the instantonic heterotic E 8 × E 8 five-branes…”
Get full text

Machine learning and algebraic approaches towards complete matter spectra in 4d F-theory by Bies, Martin, Cvetič, Mirjam, Donagi, Ron, Lin, Ling, Liu, Muyang, Ruehle, Fabian

“…A bstract Motivated by engineering vector-like (Higgs) pairs in the spectrum of 4d F-theory compactifications, we combine machine learning and algebraic…”
Get full text

Back to heterotic strings on ALE spaces. Part II. Geometry of T-dual little strings by Del Zotto, Michele, Liu, Muyang, Oehlmann, Paul-Konstantin

“…A bstract This work is the second of a series of papers devoted to revisiting the properties of Heterotic string compactifications on ALE spaces. In this…”
Get full text

Root bundles and towards exact matter spectra of F-theory MSSMs by Bies, Martin, Cvetič, Mirjam, Donagi, Ron, Liu, Muyang, Ong, Marielle

“…A bstract Motivated by the appearance of fractional powers of line bundles in studies of vector-like spectra in 4d F-theory compactifications, we analyze the…”
Get full text

An F-theory realization of the chiral MSSM with ℤ2-parity by Cvetič, Mirjam, Lin, Ling, Liu, Muyang, Oehlmann, Paul-Konstantin

“…A bstract Using F-theory we construct 4D N = 1 SUGRA theories with the Standard Model gauge group, three chiral generations, and matter parity in order to…”
Get full text

On the Impact of the Dead-Band of Power System Stabilizers and Frequency Regulation on Power System Stability by Liu, Muyang, Bizzarri, Federico, Brambilla, Angelo Maurizio, Milano, Federico

“…This letter studies the impact of the dead-band in the input signal of power system stabilizers (PSSs) on the transient response of power systems. The letter…”
Get full text

Making graphs compact by lossless contraction by Fan, Wenfei, Li, Yuanhao, Liu, Muyang, Lu, Can

“…This paper proposes a scheme to reduce big graphs to small graphs. It contracts obsolete parts and regular structures into supernodes. The supernodes carry a…”
Get full text

Yukawa hierarchies in global F-theory models by Cvetič, Mirjam, Lin, Ling, Liu, Muyang, Zhang, Hao Y., Zoccarato, Gianluca

“…A bstract We argue that global F-theory compactifications to four dimensions gener- ally exhibit higher rank Yukawa matrices from multiple geometric…”
Get full text

Modeling of Direct-Drive Permanent Magnet Synchronous Wind Power Generation System Considering the Power System Analysis in Multi-Timescales by Ge, Chenchen, Liu, Muyang, Chen, Junru

“…The dynamics of wind power generation cannot be neglected in the modern power system and could have a great impact on the system dynamics, even raising the…”
Get full text

No-go for tree-level R-symmetry breaking by Liu, Feihu, Liu, Muyang, Sun, Zheng

“…We show that in gauge mediation models with tree-level R-symmetry breaking where supersymmetry and R-symmetries are broken by different fields, the gaugino…”
Get full text

Model-Independent Derivative Control Delay Compensation Methods for Power Systems by Liu, Muyang, Dassios, Ioannis, Tzounas, Georgios, Milano, Federico

“…The paper examines the effectiveness of utilizing the derivatives of time delayed, wide-area signals in mitigating their destabilizing impact on power system…”
Get full text

Adaptive virtual synchronous generator considering converter and storage capacity limits by Junru Chen, Muyang Liu, Federico Milano, Terence O'Donnell

“…A virtual synchronous generator (VSG) control has been proposed as a means to control a voltage source converter interfaced generation and storage to retain…”
Get full text

Online Evaluation for the POI-Level Inertial Support to the Grid via Ambient Measurements by Wu, Genzhu, Zhong, Weilin, Liu, Muyang, Chang, Xiqiang, Shao, Xianlong, Mo, Ruo

“…As renewable energy sources like wind and solar power increasingly replace traditional energy sources and are integrated into the power grid, the issue of…”
Get full text

Coordinated Control of Virtual Power Plants to Improve Power System Short-Term Dynamics by Zhong, Weilin, Chen, Junru, Liu, Muyang, Murad, Mohammed Ahsan Adib, Milano, Federico

“…The paper proposes a coordinated frequency control strategy for Virtual Power Plant (VPPs), with the inclusion of Distributed Energy Resource (DERs), e.g.,…”
Get full text

Review of RoCoF Estimation Techniques for Low-Inertia Power Systems by Deng, Xiaoyu, Mo, Ruo, Wang, Pengliang, Chen, Junru, Nan, Dongliang, Liu, Muyang

“…As the traditional generation is gradually replaced by inverter-based resources, a lack of rotational inertia is now a common issue of modern power systems,…”
Get full text

A discussion of stability analysis for systems of differential equations with multiple and distributed delays by Dassios, Ioannis, Liu, Muyang, Milano, Federico

“…In this article, we consider a class of systems of multiple delay differential equations (MDDEs). We first define a characteristic matrix equation that can be…”
Get full text

A Novel Approach to Model a Gas Network by Ekhtiari, Ali, Dassios, Ioannis, Liu, Muyang, Syron, Eoin

“…The continuous uninterrupted supply of Natural Gas (NG) is crucial to today’s economy, with issues in key infrastructure, e.g., Baumgarten hub in Austria in…”
Get full text

Comparison of Numerical Methods and Open-Source Libraries for Eigenvalue Analysis of Large-Scale Power Systems by Tzounas, Georgios, Dassios, Ioannis, Liu, Muyang, Milano, Federico

“…This paper discusses the numerical solution of the generalized non-Hermitian eigenvalue problem. It provides a comprehensive comparison of existing algorithms,…”
Get full text

Loadability Analysis of Smart Solid-State Transformer Considering its Interactions amongst All the Ports by Chen, Junru, Zhang, Yi, Liu, Muyang, Chen, Yutian, Zhu, Rongwu

“…Smart solid-state transformers (STs) have been proposed to modernize the distributed renewable resources dominated distribution system and facilitate the…”
Get full text

Spatial Multi-Objective Land Use Optimization toward Livability Based on Boundary-Based Genetic Algorithm: A Case Study in Singapore by Cao, Kai, Liu, Muyang, Wang, Shu, Liu, Mengqi, Zhang, Wenting, Meng, Qiang, Huang, Bo

“…In this research, the concept of livability has been quantitatively and comprehensively reviewed and interpreted to contribute to spatial multi-objective land…”
Get full text