• Accessibility and orbits for discrete-time nonlinear control systemsBartosiewicz, Zbigniew; Kotta, Ülle; Wyrwas, Malgorzata60th IEEE Conference on Decision and Control, CDC 2021, Austin, 13-17 December 20212021 / p. 4594-4601 https://doi.org/10.1109/CDC45484.2021.9682853 https://www.scopus.com/sourceid/87424 https://www.scopus.com/record/display.uri?eid=2-s2.0-85126013279&origin=inward&txGid=1e6a1739ab9d396d0eabf7d90f90531e https://www.webofscience.com/wos/woscc/full-record/WOS:000781990304011
• Accessibility and system reduction of nonlinear time-delay control systemsBartosiewicz, Zbigniew; Kaldmäe, Arvo; Kawano, Yu; Kotta, Ülle; Pawluszewicz, Ewa; Simha, Ashutosh; Wyrwas, MałgorzataIEEE Transactions on Automatic Control2021 / p. 3781−3788 https://doi.org/10.1109/TAC.2020.3028566 https://www.scopus.com/sourceid/17339 https://www.scopus.com/record/display.uri?eid=2-s2.0-85111748229&origin=inward&txGid=619909cb4363e201acb564769b2a8e06 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=IEEE%20T%20AUTOMAT%20CONTR&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000678334500033
• Accessibility conditions of MIMO nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Tõnso, Maris; Wyrwas, MałgorzataMathematical control and related fields2016 / p. 217-250 https://doi.org/10.3934/mcrf.2016002 https://www.scopus.com/sourceid/21100256977 https://www.scopus.com/record/display.uri?eid=2-s2.0-84964505032&origin=inward&txGid=b19f65c78d1560ca94ddea9a3d64ff20 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=MATH%20CONTROL%20RELAT%20F&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000380129600002
• Algebraic formalism of differential one-forms for nonlinear control systems on time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Pawluszewicz, Ewa; Wyrwas, MałgorzataProceedings of the Estonian Academy of Sciences. Physics. Mathematics2007 / 3, p. 264-282
• Algebraic formalism of differential p-forms and vector fields for nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Pawluszewicz, Ewa; Tõnso, Maris; Wyrwas, MałgorzataProceedings of the Estonian Academy of Sciences2013 / p. 215-226 https://doi.org/10.3176/proc.2013.4.02 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84887841347&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.3176%2Fproc.2013.4.02%29&sessionSearchId=f124baea23c7e59a88234b4350eaca80 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000327478600002
• Comments on "PBH tests for nonlinear systems"Sarafrazi, Mohammad Amin; Bartosiewicz, Zbigniew; Kotta, ÜlleAutomatica2020 / art. 108617 https://doi.org/10.1016/j.automatica.2019.108617 https://www.scopus.com/sourceid/24909 https://www.scopus.com/record/display.uri?eid=2-s2.0-85076097514&origin=inward&txGid=7b03b7a7a1f74952fa3141a94f7e2d17 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=AUTOMATICA&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000504513100049
• Equivalence of linear control systems on time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Pawluszewicz, EwaProceedings of the Estonian Academy of Sciences. Physics. Mathematics2006 / 1, p. 43-52
• Finite determination of accessibility and singular points of nonlinear systems: an algebraic approachSarafrazi, Mohammad Amin; Kotta, Ülle; Bartosiewicz, ZbigniewSystems & control letters2020 / art. 104600, p. 1−7 https://doi.org/10.1016/j.sysconle.2019.104600 https://www.scopus.com/sourceid/25563 https://www.scopus.com/record/display.uri?eid=2-s2.0-85076712671&origin=inward&txGid=8df67ac146efa63248e86f50aaf72de9 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SYST%20CONTROL%20LETT&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000514216300003
• Forward and backward shifts of vector fields : towards the dual algebraic frameworkMullari, Tanel; Kotta, Ülle; Bartosiewicz, Zbigniew; Pawluszewicz, Ewa; Moog, ClaudeIEEE transactions on automatic control2017 / p. 3029-3033 https://doi.org/10.1109/TAC.2016.2608718 https://www.scopus.com/sourceid/17339 https://www.scopus.com/record/display.uri?eid=2-s2.0-85028357881&origin=inward&txGid=0397bf2555a5c74183cf5ad65dc1c355 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=IEEE%20T%20AUTOMAT%20CONTR&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000402733600039
• Nabla derivatives associated with nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Mullari, Tanel; Tõnso, Maris; Pawluszewicz, Ewa; Wyrwas, MałgorzataNonlinear analysis : modelling and control2016 / p. 547-563 https://doi.org/10.15388/NA.2016.4.8 https://www.scopus.com/sourceid/17700155806 https://www.scopus.com/record/display.uri?eid=2-s2.0-84963574794&origin=inward&txGid=708713c5b2cf40f232b80b4b44249447 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=NONLINEAR%20ANAL-MODEL&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000375346800008
• On accessibility conditions for state space nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Mullari, Tanel; Tõnso, Maris; Wyrwas, MałgorzataSystems & control letters2016 / p. 8-13 https://doi.org/10.1016/j.sysconle.2016.09.018 https://www.scopus.com/sourceid/25563 https://www.scopus.com/record/display.uri?eid=2-s2.0-84994578253&origin=inward&txGid=267af40897615b2f6dc6e9199b2add1f https://jcr.clarivate.com/jcr-jp/journal-profile?journal=SYST%20CONTROL%20LETT&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000390499500002
• On the finiteness of accessibility test for nonlinear discrete-time systemsSarafrazi, Mohammad Amin; Pawluszewicz, Ewa; Bartosiewicz, Zbigniew; Kotta, ÜlleInternational journal of control2021 / p. 2330-2336 https://doi.org/10.1080/00207179.2019.1706102 https://www.scopus.com/sourceid/12342 https://www.scopus.com/record/display.uri?eid=2-s2.0-85076713926&origin=inward&txGid=363238fdc3e9bf44167a797df53cb499 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20CONTROL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000505402500001
• On the stopping criteria in nonlinear unknown input observability conditionSarafrazi, Mohammad Amin; Kotta, Ülle; Bartosiewicz, ZbigniewIEEE transactions on automatic control2022 / p. 4733-4737 https://doi.org/10.1109/TAC.2022.3160133 https://www.scopus.com/sourceid/17339 https://www.scopus.com/record/display.uri?eid=2-s2.0-85127027985&origin=inward&txGid=110c27bd8ad14b2bf365d2bb92e5b649 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=IEEE%20T%20AUTOMAT%20CONTR&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000848246200027
• On the transformation of a nonlinear discrete-time input-output system into the strong row-reduced formBartosiewicz, Zbigniew; Belikov, Juri; Kotta, Ülle; Tõnso, Maris; Wyrwas, MałgorzataProceedings of the Estonian Academy of Sciences2016 / p. 220-236 https://doi.org/10.3176/proc.2016.3.02 https://artiklid.elnet.ee/record=b2798394*est https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-84985920442&origin=inward&txGid=e157cb232365b58f0421fc1788970acf https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000383313700004
• Popov form and the explicit equations of inverse systemsBartosiewicz, Zbigniew; Kotta, Ülle; Pawluszewicz, Ewa; Tõnso, Maris; Wyrwas, MałgorzataProceedings of the Estonian Academy of Sciences2018 / p. 432-355 : ill http://www.kirj.ee/public/proceedings_pdf/2018/issue_4/proc-2018-4-342-355.pdf https://doi.org/10.3176/proc.2018.4.04 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85060904949&origin=inward&txGid=b55a86ba1f2a1f232ff32d86073146ee https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000450486100006
• Reducibility condition for nonlinear discrete-time systems : behavioral approachBartosiewicz, Zbigniew; Kotta, Ülle; Pawłuszewicz, Ewa; Tõnso, Maris; Wyrwas, MałgorzataControl and Cybernetics2013 / p. 329-346 https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=d858f3fd9c2acd98e41f35a0bed4c0cb9efab59c https://www.scopus.com/sourceid/12928 https://www.scopus.com/record/display.uri?eid=2-s2.0-84884601138&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=cl&cluster=scoprefnameauid%2C%22Bartosiewicz%2C+Z.%2317344905000%22%2Ct&s=SRCTITLE%28%22Control+and+Cybernetics%22%29&sessionSearchId=bbca0492eaf03e2d41554a3d809caf85&relpos=1
• Relations between modules associated to input-output nonlinear equations with delays and their realizationsBartosiewicz, Zbigniew; Kaldmäe, Arvo; Kotta, Ülle; Wyrwas, Malgorzata62nd IEEE Conference on Decision and Control, CDC 2023, Singapore, 13-15 December 20232023 / p. 644-650 https://doi.org/10.1109/CDC49753.2023.10383927 https://www.scopus.com/sourceid/87424 https://www.scopus.com/record/display.uri?eid=2-s2.0-85184815084&origin=inward&txGid=68d7ed7e0ac6bdf6eed3a053f9dad9f7 https://www.webofscience.com/wos/woscc/full-record/WOS:001166433800086
• Stability and stabilizability of linear time-delay systems on homogeneous time scalesBelikov, Juri; Bartosiewicz, ZbigniewProceedings of the Estonian Academy of Sciences2017 / p. 124-136 https://doi.org/10.3176/proc.2017.2.02 http://www.ester.ee/record=b2355998*est https://artiklid.elnet.ee/record=b2820925*est https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85019742055&origin=inward&txGid=54acecdb93ee766cb30cbd49d7c1c61c https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000403737900002
• State feedback linearization of nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Belikov, Juri; Kotta, Ülle; Wyrwas, MałgorzataNonlinear analysis: hybrid systems2019 / p. 69-85 https://doi.org/10.1016/j.nahs.2018.08.002 https://www.scopus.com/sourceid/9000153105 https://www.scopus.com/record/display.uri?eid=2-s2.0-85051799842&origin=inward&txGid=35cd1530c4de9ba2db0afc84b81dcace https://jcr.clarivate.com/jcr-jp/journal-profile?journal=NONLINEAR%20ANAL-HYBRI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000452061400005
• Static state feedback linearization of nonlinear control systems on homogeneous time scalesBartosiewicz, Zbigniew; Kotta, Ülle; Tõnso, Maris; Wyrwas, MałgorzataMathematics of control, signals, and systems2015 / p. 523-550 https://doi.org/10.1007/s00498-015-0150-5 https://www.scopus.com/sourceid/19202 https://www.scopus.com/record/display.uri?eid=2-s2.0-84944512820&origin=inward&txGid=9b38bece7861755df3cac410456fb525 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=MATH%20CONTROL%20SIGNAL&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000363060000004
• A test for the generic strong-accessibility of meromorphic nonlinear systemsCarravetta, Francesco; Sarafrazi, Mohammad Amin; Bartosiewicz, Zbigniew; Kotta, ÜlleIEEE transactions on automatic control2020 / p. 867-873 https://doi.org/10.1109/TAC.2019.2921645 https://www.scopus.com/sourceid/17339 https://www.scopus.com/record/display.uri?eid=2-s2.0-85079815859&origin=inward&txGid=90766e48bd2e4b3b82de39de835a3adb https://jcr.clarivate.com/jcr-jp/journal-profile?journal=IEEE%20T%20AUTOMAT%20CONTR&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000510754000038
• Testing generic strong accessibility of nonlinear control systems via polynomial (quadratic) immersionCarravetta, Francesco; Sarafrazi, Mohammad Amin; Bartosiewicz, Zbigniew; Kotta, Ülle61st IEEE Conference on Decision and Control, CDC 2022, Cancun, 6 December - 9 December 2022, proceedings2022 / p. 1841-1846 https://doi.org/10.1109/CDC51059.2022.9992952 https://www.scopus.com/sourceid/87424 https://www.scopus.com/record/display.uri?eid=2-s2.0-85147016500&origin=inward&txGid=825a7d9f2597133b5fbcbff0979c0b68 https://www.webofscience.com/wos/woscc/summary/7be5bc0c-dbd5-41f1-9a81-9f873fd48e18-bb3b7788/relevance/1
• The concepts of Lie derivative for discrete-time systemsMullari, Tanel; Kotta, Ülle; Bartosiewicz, Zbigniew; Pawluszewicz, EwaProceedings of the Estonian Academy of Sciences2012 / p. 253-265 : ill
• The strong Popov form of nonlinear input–output equationsBartosiewicz, Zbigniew; Pawluszewicz, Ewa; Wyrwas, Małgorzata; Kotta, Ülle; Tõnso, MarisProceedings of the Estonian Academy of Sciences2018 / p. 193–206 https://doi.org/10.3176/proc.2018.3.01 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85052690894&origin=inward&txGid=d88c4ecefcc3cd05ce583eb9b8cd5c04 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000443380000001
• Transforming a set of nonlinear input-ouput equations into Popov formBartosiewicz, Zbigniew; Kotta, Ülle; Pawluszewicz, Ewa; Tõnso, Maris; Wyrwas, Małgorzata2015 54th IEEE Conference on Decision and Control (CDC) : date: 15-18 Dec. 20152015 / p. 7131 - 7136 https://doi.org/10.1109/CDC.2015.7403344 https://www.scopus.com/sourceid/87424 https://www.scopus.com/record/display.uri?eid=2-s2.0-84961992294&origin=inward&txGid=d613c67f948a1ec571c34204b0a2d06b https://www.webofscience.com/wos/woscc/full-record/WOS:000381554507054
• Weak reachability and controllability of discrete-time nonlinear systems: generic approach and singular pointsMullari, Tanel; Kotta, Ülle; Bartosiewicz, Zbigniew; Sarafrazi, Mohammad Amin; Moog, Claude; Pawluszewicz, EwaInternational journal of control2020 / p. 483-489 https://doi.org/10.1080/00207179.2018.1479076 https://www.scopus.com/sourceid/12342 https://www.scopus.com/record/display.uri?eid=2-s2.0-85049910434&origin=inward&txGid=0c1239de9fad2580b083b5f126ba3065 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20CONTROL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000525971000012