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Long description: With the ongoing transition of the electrical power system to a more sustainable generation structure we need new ideas and solutions for a safe and reliable energy supply. We named the NEIS event Conference on sustainable energy supply and integration of energy storage systems. This implies that the future power system design demands a sustainable approach with several contributions and ideas from different application fields. The NEIS 2020 was the eighth conference event, providing an annual occasion for scientists to present their current work. A special focus of this years conference was placed on electrical power grids and relevant aspects such as power system planning, management and monitoring, as well as innovative protection methods and electromobility. Three keynote speakers from the UK, Germany and Denmark gave an insight into the newest developments in the field of future power systems and the challenges that we are facing on that way.

Power Quality --- Distribution Grids --- Electric Power Engineering --- Energy Storage Systems --- Harmonic Impedance Measurement --- Micro Grids --- Renewable Energies --- Grid Failures in DC and AC Gri --- Grid Support --- Power Converter Control --- Reactive Power Management

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The book is a collection of manuscripts proposing original and innovative solutions for accurate distributed monitoring systems, related innovative measurement instruments, distribution grid state forecast algorithms, power flow analysis, frequency and voltage control for stability and quality of service of active networks with distributed generation, and communication systems to acquire distributed measurement data, send commands and receive alarms. The introduction of these innovative solutions can pave the way for the effective transformation of MV and LV distribution networks into smart grids. The book aims to provide readers, Ph.D. students as well as research personnel and professional engineers with information not only on theoretical studies of the recent developments but also the practical application of the proposed solutions for smart grid applications both in LV and MV networks.

History of engineering & technology --- active distribution networks --- voltage control --- on-load tap changer transformers --- low-voltage grids --- Power System Measurement --- Phasor Measurement Unit --- low cost --- synchrophasor --- voltage measurement --- current measurement --- synchronization --- damping estimation --- Hilbert transform --- oscillations reshaping --- nonlinear least square approximation --- optimal meter placement --- smart grid --- load flow analysis --- Monte Carlo methods --- grid state forecast --- smart grids --- distribution grids --- congestion management --- audio coding --- digital systems --- electrical engineering --- ICT --- Industry 4.0 --- IoT --- power cable --- QoS --- reliability --- voice communication

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This book includes 15 articles published in the Special Issue "Theoretical Computer Science and Discrete Mathematics" of Symmetry (ISSN 2073-8994). This Special Issue is devoted to original and significant contributions to theoretical computer science and discrete mathematics. The aim was to bring together research papers linking different areas of discrete mathematics and theoretical computer science, as well as applications of discrete mathematics to other areas of science and technology. The Special Issue covers topics in discrete mathematics including (but not limited to) graph theory, cryptography, numerical semigroups, discrete optimization, algorithms, and complexity.

Research & information: general --- Mathematics & science --- fuzzy set --- n-Pythagorean --- n-PFS algebra --- triangular norms --- outer-independent Roman domination --- Roman domination --- vertex cover --- rooted product graph --- total domination --- domination --- secure domination --- secure Italian domination --- weak roman domination --- w-domination --- cryptanalysis --- group key establishment --- topology optimization --- optimization --- filtering --- method --- penalization --- weight factor --- FEM --- MATLAB --- SIMP --- estimated prime factor --- integer factorisation problem --- continued fraction --- Fermat's Factoring Algorithm --- genetic algorithm --- AES(t) --- heuristics --- microaggregation --- statistical disclosure control --- graph theory --- traveling salesman problem --- data privacy --- location privacy --- differentials in graphs --- strong differential --- quasi-total strong differential --- quasi-total Italian domination number --- numerical semigroup --- forest --- ordinarization transform --- quasi-ordinarization transform --- load redistribution --- leveling power consumption per phase --- three-phase asymmetric distribution networks --- ideal power consumption --- mixed-integer convex optimization --- strongly total Roman domination --- total Roman domination --- lexicographic product graph --- improved crow search algorithm --- normal Gaussian distribution --- phase swapping problem --- power losses --- asymmetric distribution grids --- vortex search algorithm --- nonidentical parallel production lines --- axle housing machining --- mixed model production --- eligibility constraint --- fuzzy due date --- grey wolf optimizer --- fuzzy set --- n-Pythagorean --- n-PFS algebra --- triangular norms --- outer-independent Roman domination --- Roman domination --- vertex cover --- rooted product graph --- total domination --- domination --- secure domination --- secure Italian domination --- weak roman domination --- w-domination --- cryptanalysis --- group key establishment --- topology optimization --- optimization --- filtering --- method --- penalization --- weight factor --- FEM --- MATLAB --- SIMP --- estimated prime factor --- integer factorisation problem --- continued fraction --- Fermat's Factoring Algorithm --- genetic algorithm --- AES(t) --- heuristics --- microaggregation --- statistical disclosure control --- graph theory --- traveling salesman problem --- data privacy --- location privacy --- differentials in graphs --- strong differential --- quasi-total strong differential --- quasi-total Italian domination number --- numerical semigroup --- forest --- ordinarization transform --- quasi-ordinarization transform --- load redistribution --- leveling power consumption per phase --- three-phase asymmetric distribution networks --- ideal power consumption --- mixed-integer convex optimization --- strongly total Roman domination --- total Roman domination --- lexicographic product graph --- improved crow search algorithm --- normal Gaussian distribution --- phase swapping problem --- power losses --- asymmetric distribution grids --- vortex search algorithm --- nonidentical parallel production lines --- axle housing machining --- mixed model production --- eligibility constraint --- fuzzy due date --- grey wolf optimizer

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This book includes 15 articles published in the Special Issue "Theoretical Computer Science and Discrete Mathematics" of Symmetry (ISSN 2073-8994). This Special Issue is devoted to original and significant contributions to theoretical computer science and discrete mathematics. The aim was to bring together research papers linking different areas of discrete mathematics and theoretical computer science, as well as applications of discrete mathematics to other areas of science and technology. The Special Issue covers topics in discrete mathematics including (but not limited to) graph theory, cryptography, numerical semigroups, discrete optimization, algorithms, and complexity.

fuzzy set --- n-Pythagorean --- n-PFS algebra --- triangular norms --- outer-independent Roman domination --- Roman domination --- vertex cover --- rooted product graph --- total domination --- domination --- secure domination --- secure Italian domination --- weak roman domination --- w-domination --- cryptanalysis --- group key establishment --- topology optimization --- optimization --- filtering --- method --- penalization --- weight factor --- FEM --- MATLAB --- SIMP --- estimated prime factor --- integer factorisation problem --- continued fraction --- Fermat’s Factoring Algorithm --- genetic algorithm --- AES(t) --- heuristics --- microaggregation --- statistical disclosure control --- graph theory --- traveling salesman problem --- data privacy --- location privacy --- differentials in graphs --- strong differential --- quasi-total strong differential --- quasi-total Italian domination number --- numerical semigroup --- forest --- ordinarization transform --- quasi-ordinarization transform --- load redistribution --- leveling power consumption per phase --- three-phase asymmetric distribution networks --- ideal power consumption --- mixed-integer convex optimization --- strongly total Roman domination --- total Roman domination --- lexicographic product graph --- improved crow search algorithm --- normal Gaussian distribution --- phase swapping problem --- power losses --- asymmetric distribution grids --- vortex search algorithm --- nonidentical parallel production lines --- axle housing machining --- mixed model production --- eligibility constraint --- fuzzy due date --- grey wolf optimizer --- n/a --- Fermat's Factoring Algorithm