TY - JOUR AU - Zlatniczki, Ádám AU - Telcs, András TI - Application of Portfolio Optimization to Achieve Persistent Time Series JF - JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS J2 - J OPTIMIZ THEORY APP PY - 2024 PG - 23 SN - 0022-3239 DO - 10.1007/s10957-024-02426-1 UR - https://m2.mtmt.hu/api/publication/34795866 ID - 34795866 N1 - Department of Computer Science and Information Theory, Budapest University of Technology and Economics, Budapest, Hungary Ericsson Hungary, Budapest, Hungary Department for Computational Sciences, Wigner Research Centre for Physics, Budapest, Hungary Department of Quantitative Methods, University of Pannonia, Veszprem, Hungary Export Date: 22 April 2024 Correspondence Address: Zlatniczki, A.; Department of Computer Science and Information Theory, Hungary; email: adam.zlatniczki@cs.bme.hu AB - The greater the persistence in a financial time series, the more predictable it becomes, allowing for the development of more effective investment strategies. Desirable attributes for financial portfolios include persistence, smoothness, long memory, and higher auto-correlation. We argue that these properties can be achieved by adjusting the composition weights of the portfolio. Considering the fractal nature of typical financial time series, the fractal dimension emerges as a natural metric to gauge the smoothness of the portfolio trajectory. Specifically, the Hurst exponent is designed for measuring the persistence of time series. In this paper, we introduce an optimization method inspired by the Hurst exponent and signal processing to mitigate the irregularities in the portfolio trajectory. We illustrate the effectiveness of this approach using real data from an S &P100 dataset. LA - English DB - MTMT ER - TY - JOUR AU - Biró, Tamás Sándor AU - Telcs, András AU - Jakovác, Antal TI - Analogies and Relations between Non-Additive Entropy Formulas and Gintropy JF - ENTROPY J2 - ENTROPY-SWITZ VL - 26 PY - 2024 IS - 3 PG - 9 SN - 1099-4300 DO - 10.3390/e26030185 UR - https://m2.mtmt.hu/api/publication/34765018 ID - 34765018 N1 - Export Date: 29 April 2024 LA - English DB - MTMT ER - TY - JOUR AU - Telcs, András TI - Correction: The Einstein Relation for Random Walks on Graphs JF - JOURNAL OF STATISTICAL PHYSICS J2 - J STAT PHYS VL - 190 PY - 2023 IS - 11 SN - 0022-4715 DO - 10.1007/s10955-023-03200-9 UR - https://m2.mtmt.hu/api/publication/34406971 ID - 34406971 N1 - Export Date: 30 November 2023 Correspondence Address: Telcs, A.; Department of Computer Science and Information Theory, Goldmann György t'er 3, V2. 138 Budapest, Hungary; email: telcs@szit.bme.hu WoS:hiba:001107245900001 2024-01-01 11:20 cím nem egyezik LA - English DB - MTMT ER - TY - JOUR AU - Telcs, András TI - The Einstein Relation for RandomWalks on Graphs JF - JOURNAL OF STATISTICAL PHYSICS J2 - J STAT PHYS VL - 190 PY - 2023 PG - 30 SN - 0022-4715 UR - https://m2.mtmt.hu/api/publication/34167999 ID - 34167999 LA - English DB - MTMT ER - TY - JOUR AU - Stippinger, Marcell AU - Varga, Bálint AU - Benkő, Zsigmond AU - Fabó, Dániel AU - Erőss, Loránd AU - Somogyvári, Zoltán AU - Telcs, András TI - CCDH: Complexity based Causal Discovery of Hidden common cause in time series JF - CHAOS SOLITONS & FRACTALS J2 - CHAOS SOLITON FRACT VL - 176 PY - 2023 PG - 9 SN - 0960-0779 DO - 10.1016/j.chaos.2023.114054 UR - https://m2.mtmt.hu/api/publication/34167230 ID - 34167230 LA - English DB - MTMT ER - TY - JOUR AU - Biró, Tamás Sándor AU - Telcs, András AU - Józsa, Máté AU - Néda, Z. TI - Gintropic scaling of scientometric indexes JF - PHYSICA A - STATISTICAL MECHANICS AND ITS APPLICATIONS J2 - PHYSICA A VL - 618 PY - 2023 PG - 11 SN - 0378-4371 DO - 10.1016/j.physa.2023.128717 UR - https://m2.mtmt.hu/api/publication/33768094 ID - 33768094 N1 - CODEN: PHYAD LA - English DB - MTMT ER - TY - JOUR AU - Stippinger, Marcell AU - Bencze, Attila István AU - Zlatniczki, Ádám AU - Somogyvári, Zoltán AU - Telcs, András TI - Causal Discovery of Stochastic Dynamical Systems: A Markov Chain Approach JF - MATHEMATICS J2 - MATHEMATICS-BASEL VL - 11 PY - 2023 IS - 4 PG - 21 SN - 2227-7390 DO - 10.3390/math11040852 UR - https://m2.mtmt.hu/api/publication/33682461 ID - 33682461 LA - English DB - MTMT ER - TY - JOUR AU - Banász, Zsuzsanna AU - Kosztyán, Zsolt Tibor AU - Csányi, Vivien Valéria AU - Telcs, András TI - University leagues alongside rankings JF - QUALITY AND QUANTITY: INTERNATIONAL JOURNAL OF METHODOLOGY J2 - QUAL QUANT VL - 57 PY - 2023 SP - 721 EP - 736 PG - 16 SN - 0033-5177 DO - 10.1007/s11135-022-01374-0 UR - https://m2.mtmt.hu/api/publication/32836596 ID - 32836596 N1 - Megjelenés: - online: 2022. április - nyomtatott:2023. február LA - English DB - MTMT ER - TY - JOUR AU - Varga, Bálint AU - Stippinger, Marcell AU - Benkő, Zsigmond AU - Fabó, Dániel AU - Halász, Péter AU - Erőss, Loránd AU - Somogyvári, Zoltán AU - Telcs, András TI - Ccdh: Complexity Based Causal Discovery of Hidden Common Cause (and Other Beasts) in Time Series JF - SOCIAL SCIENCE RESEARCH NETWORK: SSRN J2 - SOC SCI RES NETW (SSRN) VL - 2022 PY - 2022 SN - 1556-5068 DO - 10.2139/ssrn.4294786 UR - https://m2.mtmt.hu/api/publication/33851049 ID - 33851049 LA - English DB - MTMT ER - TY - JOUR AU - Jakovác, Antal AU - Telcs, András TI - A Note on Representational Understanding JF - ENTROPY J2 - ENTROPY-SWITZ VL - 24 PY - 2022 IS - 9 PG - 8 SN - 1099-4300 DO - 10.3390/e24091313 UR - https://m2.mtmt.hu/api/publication/33620208 ID - 33620208 N1 - ISSN:1099-4300 LA - English DB - MTMT ER -