# Plenary Talks & Lecture Series

The Faculty of the Department of Mathematical Sciences is actively involved in cutting edge research in the mathematical sciences. This is reflected by the several high-visibility, invited talks and course-lectures presented worldwide. Some of the key-note talks and lectures recently delivered/to be soon delivered by the DMS Faculty are listed below.

- Irena Lasiecka gave a invited virtual lecture at the
**Workshop on Theory of Control Theory and Partial Differential Equations**, organized by Rio de Janeiro Research Foundation, May 24-28, 2021. - Irena Lasiecka was one of the Plenary Speaker at the UC Berkeley,
**MSRI Workshop Recent Developments in Fluid Dynamics**, April 12-April 23, 2021. - Irena Lasiecka was a invited speaker at the
**Virtual Workshop Control in Times of Crisis [CTC]**organized by the University of Bordeaux [France] and University of Sevilla [Spain], February 25, 2021. - Irena Lasiecka was a main speaker at the
**Seminario Matematico e Fisico di Milano**, February 1, 2021, Italy. - Irena Lasiecka was one of the plenary speakers at the
**International Video-workshop om Infinite Dimensional Dynamical Systems.**Donghua University- Shanghai. China. September 12-19, 2020. - Irena Lasiecka was a main speaker [45 min] at the
**AMS Regional Conference in Chattanooga**, invited virtual session Modern Analysis, October 10-11, 2020. - Irena Lasiecka gave a key note presentation at the Inauguration of the
**Center for Dynamical Systems, Henan University**, Henan, China, July 22, 2020. - Irena Lasiecka presented a
**Series of virtual lectures**[short course on “Mathematical Theory of Fluid/Flow Structure Interactions” ] at the**2nd Summer Workshop on PDE and Dynamical Systems**, Henan University, July 15-19, 2020. - José Rodriguez presented an invited lecture "Stabilization of a nonlinear structural acoustic interaction" at ACC Conference - New Orleans, May 27th, 2021.
- José Rodriguez presented an invited lecture "On the Well-Posedness and Stabilization of a Structural-Acoustic System of Interactions" at EPEMA - Universidade Estadual de Maringá - Maringá - PR - Brazil, April 1st, 2021.
- José Rodriguez presented an invited lecture "On a Structural Acoustic Kirchoff-Boussinesq Model" at IV Mini Workshop on PDE’s - Universidade Estadual Paulista (UNESP) - São José do Rio Preto - SP - Brazil, March 18th, 2021.
- George Anastassiou was an one hour keynote speaker in "Online International Conference on Applied Analysis and Mathematical Modelling" (ICAAMM 2021), Biruni University, Istanbul, Turkey, June 11-13, 2021. Title of lecture: "Iyengar -Hilfer Fractional Inequalities".
- George Anastassiou has been invited to participate and lecture at the University of Cambridge Isaac Newton Institute in the progamme, Fractional Differential Equations, during March 1-14, 2021.
- Jerome Goldstein attended the 39th Southeastern-Atlantic Regional Conference of Differential Equations (SEARCDE) held at Embry-Riddle Aeronautical Univeristy on October 26-17, 2019. Dr. Goldstein served as a Plenary Speaker, presenting on "Instantaneous Blowup, Old and New Results."
- Roberto Triggiani gave a plenary talk at the XVIII Workshop on Partial Differential Equations held at the National Laboratory for Scientific Computing in Petropolis-Rio de Janeiro, Brazil from September 10-13, 2019.
- Fernanda Botelho attended the International Workshop on Operator Theory and its Applications (IWOTA 2019), held July 22-26, 2019 at Instituto Superior Tecnico in Lisbon. Dr. Botelho was co-organizer of a special session titled "Preserver Problems in Operator Theory and Functional Analysis" and was an invited speaker at the special session " Linear Operators and Function Spaces."
- Irena Lasiecka presented the Acceptance Speech for her American Automatic Control Council-International Federation of Automatic Control (AACC-IFAC) Richard Bellman's Heritage Award at the 2019 American Control Conference in Philadelphia on July 11, 2019.
- Fernanda Botelho was a co-organizer, jointly with Cristina Camara, Cristina Diogo and Dijana Ilisevic, of the Women in Operator Theory and it's Applicatons (WOT19) at the Instituto Superior Tecnico in Lisbon from June 17-19, 2019.
- Fernanda Botelho gave a colloquium talk at the University of Zagreb, Croatia titled Results on Contractive and Bi-contractive Projections, June 3, 2019.
- Roberto Triggiani presented Lecture Series entitled, "Uniform stabilization of 3D-Navier Stokes equations by means of finite dimensional feedback controllers at the Faculty of Mathematics and Information Sciences", University of Warsaw, June 18-27, 2019.
- Irena Lasiecka presented an invited lecture, "Flow control and drag reduction by boundary actuators" at the 3rd IFAC Workshop on Control of Systems Governed by Partial Differential Equations CPDE’19 in Oaxaca, Mexico from May 20-24, 2019.
- Irena Lasiecka delivered Karen Ames Memorial Lecture entitled "Mathematical Theory of Evolutions Arising in Flow Structure Interactions" at the Shelby Center, University of Alabama in Huntsville on April 19, 2019.
- Thomas Hagen gave an invited Mathematical Sciences Colloquium at the University of Texas at Dallas on March 29, 2019. The title of his talk was “The Winner Takes All: Volume Scavenging Populations of Networked Droplets”.
- Irena Lasiecka gave the keynote lecture at the Workshop on Fluid-Structure Interaction from March 18-20, 2019 at University of Milano, Milan, Italy.
- Thomas Hagen was one of two plenary speakers at the Annual Meeting of the Hurwitz-Gesellschaft at the Technical University Munich, Germany on February 8, 2019. His lecture was entitled “The Winner Takes All: From Microfluidics to Socioeconomics - denn Tröpfchen sind auch nur Leut”.
- Irena Lasiecka delivered one of five plenary talks at the NSF-AFOSR Workshop on Dynamics and Control held at San Juan, Puerto Rico Dec 4-8, 2018. The title of her talk was

"Mathematical theory of flutter control ". She was accompanied by two PhD students Sutthirut Charoenphon and Steven Guffey who gave 20 min long presentations on their research papers. - Béla Bollobás gave a plenary talk at the Shanghai Center for Mathematical Sciences (SCMS) at the Workshop on Extremal and Structural Graph Theory in Shanghai, China, November 30- December 2, 2018.
- Robert Kozma was a keynote speaker at the ICANN 2018 27th International Conference on Artificial Neural Networks, held October 4-7, 2018, on the island of Rhodes, Greece.
- Jerry Goldstein and Roberto Triggiani were two of the six plenary speakers at the conference on Semigroups of Operators: Theory and Applications, held in Kazimierz Dolmy, Poland, September 30 - October 5, 2018. This conference had over 100 participants, and was dedicated to the 85th birthday of Jan Kisynski.
- Irena Lasiecka was one of the main organizers and a member of the International Scientific Program Committee for the 28th IFIP (International Federation of Information Processes) TC7 Conference on Modeling and Optimization, held at Universitat Duisberg-Essen, in Essen, Germany, July 23-27, 2018. This conference had over 250 participants. Dr. Lasiecka also organized, within this conference, a three-day mini-symposium in memory of Igor Chueshov and devoted to research in the area of fluid structure interactions.
- Gisele Goldstein had her own conference on her 60th birthday entitled Evolution Equations and PDE's organized by her colleagues in the Department of Mathematics at the University of Bari, Italy. The conference featured 10 speakers: F. Altomare, G.M. Coclite, S. Lucent, R.M. Mining, and S. Romanelli from the University of Bari, G. Metafune and D. Pallara from University of Salento, C. Tacelli from University of Salerno, D. Guidetti from University of Bologna, and J. Goldstein from University of Memphis.
- Béla Bollobás was a keynote speaker at the 29th International Conference on Probabilistic, Combinatorial, and Asymptotic Methods for the Analysis of Algorithms, held at the Department of Mathematics at Uppsala University, Sweden on June 25-29, 2018.
- Jerry Goldstein and Gisele Goldstein were two of eleven invited speakers at the conference, Two Days on PDE's: Bruno Pini Centenary. This conference had over 30 participants and was organized on June 21-22, 2018, by the Department of Mathematics at the University of Bologna in memory of Bruno Pini.
- Irena Lasiecka was one of six plenary speakers at the ETAMM 2018 Conference, Emerging Trends in Applied Mathematics and Mechanics, held at the Jagiellonian University in Krakow, June 18-22, 2018. This conference was attended by over 200 participants. The title of Dr. Lasiecka's talk was Feedback synthesis and nonstandard Riccati equations arising in optimization of ultrasound waves with high intensity focus.
- Irena Lasiecka was an invited speaker at the Special Materials and Complex Systems conference (SMACS 2018), organized by Universita di Pavia and Universita di Milano, and held at the historical Palazzo Feltrinelli in Gargnano, Italy, June 18-22, 2018.
- David Grynkiewicz was a co-organizer for a Special Session on Additive Combinatorics at the Joint International Meeting of the Chinese Mathematical Society and the American Mathematical Society (JMICA 2018), held June 11-14, 2018, at Shanghai, China.
- Irena Lasiecka was one of the three main Lecturers at the conference, Paths in Mathematical Control Theory, organized in Torino, Italy, held on February 26-27, 2018.
- David Grynkiewicz gave a plenary talk at the Conference on Rings and Factorizations (CRF 19-23 Feb 2018) at the University of Graz, Austria.
- Vladimir Nikiforov gave a plenary talk at the 2017 International Workshop on Spectral Hypergraph Theory, held at the University of Anhui, China, on November 30, 2017.
- Irena Lasiecka presented one of the seven keynote lectures at the Workshop on Dynamics, Control and Numerics for Fractional PDEs, at Hotel Caribe Hilton in San Juan, Puerto Rico, October 23-25, 2017. In addition, two MSCI PhD students, Stephen Guffey and Sutthirut Charoenphon, were invited to present shorter talks.
- Irena Lasiecka was one of six plenary speakers at GPCO 2017 (the German-Polish Conference on Optimization), held at the Polish Academy of Sciences Research Station in Bedlewo, August 28 - September 1, 2017. The title of Dr. Lasiecka's lecture was "Boundary control of a three-dimensional fluid structure interaction with moving frame".
- Roberto Triggiani was one of four plenary speakers at the Second Workshop on Nonlinear PDE's in Applied Sciences, hosted by the Izmir Institute of Technology (IZTECH) in Izmir, Turkey, August 8-10, 2017.
- Irena Lasiecka was one of the three organizers (along with L. de Teresa, Univ of Mexico, and K. Morris, Univ of Waterloo) of the Banff Conference: New Trends in Infinite Dimensional Control, held at Banff, Canada, July 18-21, 2017.
- Fernanda Botelho was an invited speaker at the Preservers Everywhere international conference held at the Bolyai Institute, University of Szeged, Hungary, June 19-23, 2017.
- Irena Lasiecka presented one of the four plenary lectures at the Conference 2017 Automatica (an important conference on control theory held every three years), held in Cracow, June 18-21, 2017. The lecture was entitled "How to eliminate flutter in flow structure interactions".
- Hongqiu Chen presented an invited lecture at the Sino-French Conference on Modeling, Mathematical Analysis, and Computation, June 9-12, 2017, at Xiamen University in China. This conference was in honor of Professor Claude-Michel Brauner, on the occasion of his 70th birthday.
- Jerome Goldstein was an invited speaker at the Workshop on Partial Differential Equations and Applications held at the University of Bologna, Italy, May 15-19, 2017. His talk was titled "The Cox-Ingersoll-Ross semigroup for growing initial data".
- Jerome Goldstein was an invited speaker at the Third International Conference on Probability and Analysis at the Banach Center in Bedlewo, Poland, May 15-19, 2017. His talk had the title "Instantaneous Blowup, Old and News". Also, Professor Gisele Godstein gave a talk at the same conference, entitled "Dynamic Boundary Conditions in Science".
- Béla Bollobás presented the 28th Marden Lecture on March 28, 2017, at the University of Wisconsin, Milwaukee.
- Jerome Goldstein gave a plenary talk at the ICMC Summer Meeting on Differential Equations on February 8, 2017, at Sao Carlos, Brazil.
- Anna Kaminska was one of five Invited Lecturers at the 12th ILJU School of Mathematics on Banach Spaces and Related Topics, held January 5-11, 2017 at POSTECH, part of the Pohang Mathematics Institute in Pohang, Korea.
- Fernanda Botelho presented an invited lecture at the OTOA Conference on "Recent Advances in Operator Theory and Operator Algebras". The conference took place December 13-22, 2016, hosted by the prestigious Indian Statistical Institute in Bangalore, India.
- Irena Lasiecka and Roberto Triggiani were two of the four organizers of the Oberwolfach Seminar 2016 on Mathematical Theory of Evolutionary Fluid-Flow Structure Interactions, organized by Mathematisches Forschungsinstitue at Oberwolfach, Germany, November 10-16, 2016. The other two organizers were Igor Kukawica, University of Southern California, and Barbara Kaltenbacher, Klagenfurt University, Austria.
- Fernanda Botelho was an invited speaker at the International Meeting on Commutative Algebra: Banach Algebras, held at the Nara University of Education in Kyoto, Japan, November 4-6, 2016. Her talk was titled "Algebraic Reflexivity of Sets of Operators".
- Fernanda Botelho gave a talk entitled Contractive Projections on Banach Spaces at the RIMS Workshop, hosted by the Research Institute on Mathematical Sciences, Kyoto University, Japan, October 31-November 2, 2016.
- Vladimir Nikiforov was an invited speaker at the EXCILL III: Extremal Combinatorics conference at the Illinois Institute of Technology, August 8-10, 2016.
- Thomas Hagen delivered two half-hour invited talks at the 11th AIMS Conference on Dynamical Systems, Differential Equations and Applications, held in Orlando from July 1 – July 5, 2016. His lectures were entitled “Surface tension driven flow in networks or fluid dynamics of beetle juice” and “Analytical problems for free liquid films”. He was also a co-organizer for a Special Session on “Applied Analysis and Dynamics in Engineering and Sciences” at this conference.
- Jerome Goldstein was honored with a Day in Honor of Jerry Goldstein (click on Seminaires et Conferences), sponsored by the Laboratoire de Mathematiques et Applications, University of Poitiers, France, on June 23, 2016.
- Hongqiu Chen delivered a half-hour invited talk at the Seventy-Seventh Midwest PDE Seminar which was held May 7-8, 2016 at the University of Cincinnati.
- Irena Lasiecka delivered one of the three plenary addresses at the American Mathematical Society (AMS) Sectional Meeting in Stony Brook, March 19, 2016.
- Irena Lasiecka gave one of the three Invited Addresses at the American Mathematical Society (AMS) Spring 2015 Meeting, held at the State University of New York at Stony Brook, March 19-20, 2016. Her talk was on Mathematical theory of PDE dynamics arising in flow-fluid structure interactions.
- Hongqiu Chen gave a talk on Water Waves: Theory, Simulations, and Experiments, A Communication Between Mathematics and Engineering, at the National Taiwan University on March 13, 2016, in Taipei, Taiwan.
- David Grynkiewicz presented a plenary lecture at the Combinatorial and Additive Number Theory 2016 conference, held at Karl-Franzens-Universität, Graz, Austria, January 4-8, 2016. David was one of the seven plenary speakers among over 40 contributed presenters. His talk was entitled "The Freiman 3k-4 Theorem".
- Béla Bollobás was one of three Invited Speakers at the 26th International Workshop on Combinatorial Algorithms, held in Verona (Italy), October 5-7, 2015.
- Irena Lasiecka was one of the invited speakers at the XIV Workshop on Partial Differential Equations (XIV WPDE RIO2015), organized by the University of Rio de Janeiro and LNCC, held on September 22-25, 2015, in Petropolis-RJ, Brasil. Her talk was on Local existence, global existence, and stability of solutions to quasilinear systems arising in fluid structure interactions.
- Roberto Triggiani was one of the invited speakers at the XIV Workshop on Partial Differential Equations (XIV WPDE RIO2015), organized by the University of Rio de Janeiro and LNCC, held on September 22-25, 2015, in Petropolis-RJ, Brasil. His talk was on Heat-wave interaction in 2 or 3 dimensions: Optimal rational decay rate.
- Irena Lasiecka gave a plenary talk at the conference, Mathematical Fluid Mechanics: Old Problems and New Trends, held at the Banach Center, Polish Academy of Sciences, Bedlewo, Poland, August 30 - September 4, 2015.
- Bentuo Zheng was one of the invited speakers at the Fifth International Conference on Analytic Mathematics and its Applications, August 12-16, 2015, at the Harbin University of Science and Technology, Harbin, China.
- Jerome Goldstein was one of the lecturers at the TULKKA-Treffen conference in Ulm, Germany, July 17, 2015.
- Anna Kaminska was one of the main speakers at the conference, Function Spaces XI, July 6-10, 2015, at Zielona Gora, Poland. The title of her lecture was "Banach envelopes of quasi-Banach spaces".
- Roberto Triggiani was one of the invited speakers at the conference, New Advances in PDEs: Inverse Problems and Control Theory, held at the University of Parma, Italy, July 6-10, 2015.
- George Anastassiou delivered a plenary talk entitled "Fractional Monotone Approximations" at the Third International Conference on Applied Mathematics and Approximation Theory (AMAT 2015), May 28-31, 2015, in Ankara, Turkey.
- Hongqiu Chen was an invited speaker at an OIST seminar, held on May 20, 2015, at the Okinawa Institute of Science and Technology Graduate University in Japan. Her talk was on how initial value problems arise in practice.
- David Dwiggins was an invited speaker at the Differential Equations and Dynamical Systems conference (DEDS 9), May 14-16, 2015, Dallas, Texas. The title of his talk was "Fixed Point Theory and Integral Equations".
- Irena Lasiecka was one of the main speakers at the BIO+FLUIDS in Warsaw Conference organized by the Banach Center, Mathematics Institute, Polish Academy of Sciences April 27-29, 2015.
- Irena Lasiecka delivered one of the three keynote lectures at the Ninth IMACS International Conference on Nonlinear Evolution Equations and Wave Phenomena held at University of Georgia, Athens, GA April 1-4, 2015.
- Jerome Goldstein was one of the two main lecturers at the Besançon School on Evolution Equations and Applications, March 23-27, 2015, du Laboratoire de Mathématiques de Besançon, Université de Franche-Comté.
- Irena Lasiecka was invited as one of the four plenary speakers at the 39-th SIAM SEAS Conference hosted by the University of Alabama, Birmingham, March 20-22, 2015. She presented a lecture entitled "How to control flutter arising in flow structure interactions".
- Roberto Triggiani gave a main talk entitled "Stabilization to an equilibrium of the 2d-, 3d- Navier-Stokes equations by "tangential" feedback controls with arbitrarily small support", at the Shanks workshop 2015, Vanderbilt University, Feb 27-28.
- Irena Lasiecka gave a main talk entitled "Construction of global solutions to a 3-D fluid structure interactions with moving interface", at the Shanks workshop 2015, Vanderbilt University, Feb 27-28.
- Jerome Goldstein gave a plenary lecture "Asymptotic equipartition of energy for non autonomous wave equations" at the ICMC Summer meeting on Differential Equations, 2015 Chapter, at the Univ. Of São Paulo at Sao Carlos, in Sao Carlos, Brazil on February 4, 2015.
- Robert Kozma was one of the main lecturers at the X IEEE Latin-American Summer School on Computational Intelligence (EVIC 2014), December 15-18, 2014, Universidad de Chile, Sanitago.
- Paul Balister gave keynote lecture on "Minimal symmetric differences of lines in projective planes" at the 3rd annual Mississippi Discrete Mathematics Workshop, Nov 15 - 16, 2014.
- Ralph Faudree was invited to give a plenary lecture at the VII Cracow Conference on Graph Theory, held at Cracow, Poland, September 14-19, 2014.
- Gisele Goldstein was one of the main speakers at the XIXth Symposium on Trends in Applications of Mathematics to Mechanics at the University of Poitiers September 8-11, 2014.
- Irena Lasiecka gave a plenary lecture at the XV International Conference on Hyperbolic Problems (HYP2014 in Rio), held at IMPA, Rio de Janeiro, Brazil, July 28-August 1, 2014. See the HYP2014 poster.
- Thomas Hagen gave two half-hour invited lectures at the 10th AIMS Conference on Dynamical Systems, Differential Equations and Applications, held in Madrid, Spain from July 7 – July 11, 2014. His talks were entitled “On free fluid films and sheets” and “Dynamics of droplet networks of power-law liquids”. He was also a co-organizer for a Special Session on “Applied Analysis and Dynamics in Engineering and Sciences” at this conference.
- Irena Lasiecka gave a plenary lecture entitled: "Quasilinear dynamics arising in a 3-D fluid-structure interaction with moving interface", at the Conference on Partial Differential Equations, held at the Monastery Novacella, Alto Adige, Italy, May 28- June 1, 2014.
- Roberto Triggiani gave a plenary lecture entitled: "Global uniqueness and stability of an inverse problem for the Schrodinger equation on a Riemannian manifold via only one boundary measurement", at the Conference Recent Trends in Nonlinear Partial Differential Equatios and Applications, held at the Mathematics Institute, University of Trieste, Italy, May 28-30, 2014. The Conference is dedicated to the 60th birthday of Enzo Mitidieri.
- Anna Kaminska gave a plenary talk entitled "Dual spaces of Orlicz-Lorentz spaces" at the 7-th Conference on Functions Spaces held at the Southern Illinois Univeristy Edvardsville (SIUE), May 20-24, 2014.
- Paul Balister gave a plenary lecture entitled: "Subcritical Bootstrap Percolation", at the Erdos 101 Conference, held at the University of Memphis, March 27-29, 2014. See the Erdos 101 poster.
- Mate Wierdl gave a plenary lecture entitled: "Random differences of arithmetic progressions in sets of positive density", at the Erdos 101 Conference, held at the University of Memphis, March 27-29, 2014. See the Erdos 101 poster.
- Béla Bollobás gave a plenary lecture entitled: “Neighbourhood Family Percolation”, at the Miki Simonovits is 70 - Meeting: a celebration with lectures, held in Budapest, Hungary, January 3-4, 2014.
- Jim Jamison gave a plenary lecture entitled: "Hermitian Operators on some spaces of vector valued analytic functions", at the XXIVth International Workshop of Operator Theory and its Applications (IWOTA-2013), held at the Indian Institute of Science, Bangalore, on December 16-20, 2013. The conference was in hornor of Israel Gohberg. See the IWOTA-2013 conference poster.
- Irena Lasiecka delivered a Bold Aspirations Ellis B.Stouffer Distinguished Lecture entitled "Long time behavior of solutions to flow-structure interactions arising in modeling of subsonic and supersonic gas flows", at the University of Kansas, Lawrence, December 3, 2013. See the poster.
- Jerome Goldstein gave a plenary lecture entitled "Some biased remarks on the development of semigroups of operators" at the Conference Semigroups of Operatots: Theory and Applications, held at the Banach Center, Bedlewo, Poland, on October 6-11, 2013. The Conference was dedicated to the 80th birthday of Jan Kisynski.
- Roberto Triggiani gave a plenary lecture entitled "Optimal polynomial decay of fluid-structure interaction via interplay between semigroup theory and micro-local analysis", at the Conference Semigroups of Operatots: Theory and Applications, held at the Banach Center, Bedlewo, Poland, on October 6-11, 2013. The Conference was dedicated to the 80th birthday of Jan Kisynski.
- Roberto Triggiani delivered a week-course of 6 lectures entitled "Uniqueness and Stability in Inverse Problems for 2nd Order Hyperbolic and Petrowski-type Partial Differential Equations via Carleman Estimates", at the XXXVIII Summer School on Mathematical Physics, held at Ravello, Italy, September 16-28, 2013.
- Béla Bollobás was a Special Invited Speaker and delivered Special Opening Lecture entitled "Bootstrap percolation -- critical probability and speed", at the 16th International Conference on Random Structures and Algorithms, held in Poznan, Poland, 5-9 August, 2013.
- Béla Bollobás delivered a plenary lecture at the 70th Birthday Conference in his honor, held at the University of Cambridge, UK, July 31 – August 4, 2013.