Deparment of Mathematics

Constantin P. Niculescu

Talks Given at Scientific Meetings

2018

  1. Convexity structures associated to means. New results. Talk given at The First Romanian Itinerant Seminar on Mathematical Analysis and its Applications (RISMAA), University Babes-Bolyai, Cluj-Napoca, April 20-21, 2018.
  2. Benford's law and fraud detection. Talk given at The XXXIVth National Conference on Didactics of Mathematics, Cavnic, May 19, 2018.

2017

  1. The beautiful world of inequalities. A heuristic exploration. Talk given at University of Craiova, September 8, 2017.

2016

  1. Tiberiu Popoviciu, our contemporary. Talk given at The XX-th Annual Conference of Romanian Math. Society, Baia Mare, May 19-22, 2016.
  2. Multidimensional Markov Moment Problems. Talk given at The Spring Meeting of the Academy of Romanian Scientists, Bucharest, May 26, 2016. (In collaboration with Octav Olteanu)
  3. Abel's partial summation formula in Banach spaces. Talk given at The 14th Conference on Nonlinear Analysis and Applied Mathematics, Valahia University, Targoviste, June 17, 2016. (In collaboration with Marius-Marinel Stanescu)
  4. Old and new on 2d-increasing functions. Talk given at The 13th Franco-Roumain Colloquium on Applied Mathematics, Iasi, August 25-29, 2016.

2015

  1. Inequalities vs. Identities. Talk given at The Spring Meeting of the Academy of Romanian Scientists, Bucharest, March 26, 2015.
  2. Popoviciu's Inequality, Fifty Years later. Talk given at The 8th Congress of Romanian Mathematicians, Iasi, June 26-July 1, 2015.
  3. The Failure of Romanian Higher Education System to be Reformed. The Case of Mathematics. Talk given at The Autumn Meeting of the Academy of Romanian Scientists, Iasi, September 24-26, 2015. (Romanian)
  4. Inequalities and Identities. A Journey into Mathematics. Talk given at the conference Mathematical Inequalities and Applications 2015, Mostar (Bosnia and Herzegovina), November 11-15, 2015.

2014

  1. Relative convexity and its applications. Talk given at The 12th Conference on Nonlinear Analysis and Applied Mathematics, Targoviste, June 13-14, 2014.
  2. What is happening with the higher education system in mathematics? Talk given at The XVIII-th Annual Conference of Romanian Math. Society, Iasi, October 24-26, 2014.

2013

  1. Lagrange After 200 Years. Talk given at The 6th International Conference on 21st Century Mathematics, Lahore, March 6-9, 2013.
  2. Lagrange Through Time: A New Look at Old Themes. Talk given at The Anniversary Conference, Faculty of Sciences-150 Years, Bucharest, August 29- September 1, 2013.
  3. Lagrange's Identity and Its Developments. Talk given at The XVII-th Annual Conference of Romanian Math. Society, Botosani, October 18-20, 2013.

2011

  1. The behavior of integrable functions at infinity. Talk given at The 5th World Conference on 21st Century Mathematics, Lahore, February 9-13, 2011.
  2. The asymptotic behavior of integrable functions. Talk given at The 7th Congress of Romanian Mathematicians, Brasov, June 29-July 5, 2011.
  3. The Hermite-Hadamard Type Inequalities. Old and New. Talk given at Tenth International Symposium on Generalized Convexity and Monotonicity (GCM10), Cluj, August 22-27, 2011.

2010

  1. What makes a positive series to be convergent. Talk given at The XIVth Annual Conference of Romanian Mathematical Society, Alba Iulia, October 15-17, 2010.

2009

  1. Convexity in spaces with continuous midpoints. Talk given at the conference "Analysis, Inequalities and Homogenization Theory (AIHT)", in honour of Professor Lars-Erik Persson on the occasion of his 65th birthday, June 8-11, 2009, Lulea, Sweden.

2008

  1. Convexity in Global NPC Spaces. Talk given at the conference Mathematical Inequalities and Applications 2008,Trogir (Croatia), June 8-14, 2008.

2007

  1. Hermite-Hadamard Inequality and Beyond It. Talk given at the 3rd International Conference on 21st Century Mathematics, Lahore, March 4-7, 2007.
  2. The Failure of Reform in Mathematical Higher Education. Talk given at the Workshop on Mathematical Education, Bucharest June 26-27, 2007.
  3. Rapport on the Present State of Romanian Mathematical Education. The 6th Congress of Romanian Mathematicians, Bucharest, June 28-July 4, 2004.
  4. The Hermite-Hadamard Inequality. New Results. Talk given at The Fourth International Conference of Applied Mathematics and Computing, Plovdiv, Bulgaria,  August 12-18, 2007.
  5. Absolute Continuity in Real Analysis. Old and New. Talk given at the Conference on Inequalities and Applications 07, Noszvaj, Hungary, September 9-15, 2007.

2006

  1. The interplay between research and didactics in mathematics. Talk given at the 10th Annual Conferenceof Romanian Mathematical Society, Bucharest, May 20, 2006.
  2. Ergodic Theory from an Elementary Point of View. Talk given at School of Mathematical Sciences, Lahore, November 23, 2006.

2005

  1. Mathematics between Theory and Algorithms. Talk given at the 9th Annual Conference of Romanian Mathematical Society, Lugoj, May 20-22, 2005.
  2. Convex Functions. Applications to PDE and Mathematical Finance. Talk given to the Symposium on Order Structures in Functional Analysis, Romanian Academy, Bucharest, October 28, 2005.

2004

  1. The Land of Convexity. Talk given at Èankaya University, Ankara, April 14, 2004.
  2. Convexity Inequalities and Applications. International Workshop on Global Analysis, Èankaya University, Ankara, April 15-17, 2004.
  3. Inequalities Related to Choquet’s Theory. Talk given at City University, London, May 5, 2004.
  4. Higher Education in Mathematics at a Crossroad. Invited lecture at the 8th Annual Conference of Romanian Mathematical Society, Ploiești, May 20-23 2003.
  5. Mass Transport and Convexity. Communication at the 7th Colloquium Franco-Romaine on Applied Mathematics, Craiova, August 30 September 3, 2004.
  6. Unsolved Problems in Mathematical Analysis. Invited lecture given at the 2nd Conference on Nonlinear Analysis and Applied Mathematics, Târgoviște, December 10-11, 2004

2003

  1. Mathematics and its Role in Higher Education. Conferenceat the 7th Annual Conference of Romanian Mathematical Society,Bistrița Năsăud,May 22-25 2003.
  2. The Wonderful World of Convexity. Communication at The 5th Congressof Romanian Mathematicians, Pitești, June 22-28 2003. 
  3. Old and New on Hermite-Hadamard Inequality. Conference at the University of Uppsala, November 20, 2003.
  4. Choquet’s Theory. A Journey into Mathematics. Conference at the University of Karlstad, November 25, 2003.
  5. New Inequalities for Concave Functions of Several Variables. Invited speaker at Conference on Nonlinear Analysis and Applied Mathematics, Târgoviște, December 12-14, 2003.

2002

  1. Mechanical Ideas in Geometry Talk given at Northeastern Illinois University Math Club Seminar, April 25, 2002.
  2. The Solution to Horn’s Conjecture and Some Mathematical Issues. Talk given at Symposium on Ordered Structures in Functional Analysis, Bucharest, June 27, 2002.
  3. Doing research through inequalities. Communication at the 6th Colloquium Franco-Romaine on Applied Mathematics,Perpignan, September 2-5, 2002.
  4. Noncommutative Extensions of the Poincaré Recurrence Theorem. Talk given at General Inequalities 8, Noszvaj,September 15-21, 2002.
  5. Mathematical Research Generated by the Study of Inequalities. Talk given at the Conference on Mathematical Analysis and its Applications, Cluj-Napoca, November 8-9, 2002.

2001

  1. Function Spaces Associated to Elliptic Operators. Talk given at the Seminar on Analysis and Partial Differential Equations, University Al. I. Cuza, Iași, January 19, 2001.
  2. Mathematical Research in Romanian Universities. Talk given at the 5th Annual Conference of Romanian Mathematical Society, Brașov, May 25-28, 2001.
  3. New Developments in Convexity Theory. Talk given at the conference Inequalities 2001, University of Vest, Timișoara, July 9-14, 2001.
  4. The Hermite-Hadamard Inequality for Functions of a Vector Variable. Talk given at the 18th Colloquium on Topological Ordered Linear Spaces. Bucharest, September 26-28, 2001.
  5. Lebesgue Integral and Lebesgue Measure at 100 Years since Their Discovery. Talk given at Romanian Academy, December 6, 2001.

2000

  1. The Landau-Hardy-Littlewood Inequalities under less Smoothness. Lecture at Prof. Cristescu's Seminar, Universitatea of Bucharest,  March 1, 2000.

  2. Mathematics at the Crossroad of Millennia. Plenary talk given to the 4th Annual Conference of Romanian Mathematical Society, Constanța, May 25-28, 2000.

  3. Newton’s Inequalities. Talk to the Symposium on Order Structures in Functional Analysis, The House of Scientists, Bucharest, June 29, 2000.

  4. Interpolating Newton’s Inequalities. Conference to the Workshop on Inequalities. Theory and Applications, University of Vest,Timișoara, July 10-11, 2000.

  5. Function spaces attached to elliptic operators. Talk given at the Workshop on Operator Theory, University of Vest, Timișoara, December 12-13, 2000.

1999

  1. What is chaos and why should we mind of that? A cycle de 3 conferences (May 26, June 1 and June 9, 1999), at the University of Pretoria.
  2. On a real variable approach to Complex Analysis. Talk given at University of Pretoria, June 11, 1999.

1998

  1. Converses of Cauchy-Schwarz Inequalities. Talk given at the 17th Conference on Operator Theory, Timișoara, June 23-26, 1998.
  2. A noncommutative extension of Poincaré recurrence theorem. Hebrew University, Jerusalem, November 24, 1998.

1997

  1. Connections between Probability Theory and Approximation Theory. Conference at the 17th Colloquium on Topological Ordered Linear Spaces, Sinaia, June 12-14, 1997.

  2. On the Central Limit Theorem. Communication at the workshop Special Topics in Operator Theory, Timișoara, October 6-11, 1997.

  3. Green’s Formula from a New Point of View. Conference at The Days of University  Al. I. Cuza, Iași, October 22-26, 1997

1996

  1. New Results in Topological Dynamics. Conference at the Workshop on Dynamical Systems, Craiova, October 18-19, 1996.

1994

  1. Critical Point Theorems for Non-Smooth Functionals. Talk given at Universität Tübingen, February 22, 1994.
  2. On Some Elliptic Problems at Resonance. Conference at Deuxieme Colloque Franco-Roumain en mathématiques: Interactions entre mathématiques pures et appliquées, Ecole Normale Supérieure, Paris, May 2-6, 1994.
  3. Combinatorial Properties of Abelian Groups. Communication at the 15th Conference on Operator Theory, Timișoara, June 6-10, 1994.
  4. Une propriété combinatoire de semi-groupes abeliens. Talk given at Université Jean Monet, Saint Etienne, July 7, 1994.

1992

  1. Order and Operator algebras. Talk given at Universität Tübingen, October 27, 1992.

1991

  1. A non-commutative version of Bishop’s approximation theorem. (In collab. with Gavril Păltineanu and Dan Tudor Vuza). Conference at the 12th Colloquium on Topological Ordered Linear Spaces, Sinaia, June 12-14, 1991. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 12 (1991), 27-35. University of Bucharest, 1991. (Romanian)

  2. Ideals associated to Boolean algebras of projections. Talk given at Universität Tübingen, October 15,  1991.

1990

  1. An Invitation to the Alfsen-Effros Theory. Talk given at Freie Universität Berlin, May 9, 1990.

  2. A New Approach of the Notion of Ideal. Conference at the 11th Colloquium on Topological Ordered Linear Spaces, Craiova, November 26-27, 1990. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 11 (1990), 40-54, University of Bucharest, 1990.

1989

  1. New Results in the Alfsen-Effros Theory. Conference at the 10th  Colloquium on Topological Ordered Linear Spaces, Brașov, 14-15 iunie 1989. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 10 (1989),30-40, University of Bucharest, 1989.

  2. Alfsen-Effros Theory. Approximations results. Comunication at the 2nd International Conference on Operator Algebras, Topology and Ergodic Theory, Craiova, August 28 - September 8, 1989.

  3. The Evolution of the Notion of Ideal in Functional Analysis. Conference at the 5th Symposium on Functional Analysis and its Applications, Craiova, November 3-4, 1989.

1988

  1. An Invitation to the Study of Operator Algebras. The Noncommutative Analogue of Grothendieck’s Inequality, Conference at the 9th Colloquium on Topological Ordered Linear Spaces, Craiova, June 15-16, 1988. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 9 (1988), 20-36, University of Bucharest, 1988.

  2. Alfsen-Effros Structures Associated to a Vector Norm, Communication to the 12th International Conference on Operator Theory, Timișoara, June 6-16, 1988.

1987

  1. Ideal Theory and Banach Spaces. Communication to the 5th National Conference on Algebra, Craiova, June 4-6, 1987.

  2. The Facial Structure of the Unit Ball of a Banach Space. Conference at the 8th Colloquium on Topological Ordered Linear Spaces, Brașov, June 13-14, 1987.

1986

  1. The Centralizer as a von Neumann Algebra. Conference at the 7th Colloquium on Topological Ordered Linear Spaces,   Craiova, June 14-16, 1986. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 7 (1986), 40-53, University of Bucharest, 1986.

  2. The centralizer associated to an Alfsen-Effros type order relation. Communication at the 11th International Conference on Operator Theory, Bucharest, June 2-12, 1986.

  3. Alfsen-Effros Structures. Conference at the 4th  Symposium on Functional Analysis and its Applications, Craiova, November 7-8, 1986.

1985

  1. The Role of Centralizer in the Theory of Ordered Banach Spaces. Conference at the 6th Colloquium on Topological Ordered Linear Spaces, Brașov, June 15-17, 1985. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 6 (1985), 43-64, University of Bucharest, 1985.

  2. New Results Concerning the Alfsen-Effros Type Order Relations. Communication at the 10th International Conference on Operator Theory, Bucharest, August 26-September 5, 1985.

  3. Geometry of Banach Lattices. Conference at the 16th National Conference on Geometry and Topology, Călimănești, September 26-29, 1985.

1984

  1. Operators of Countable Type. Conference at the 5th Colloquium on Topological Ordered Linear Spaces, Craiova, June 16-18, 1984. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 5 (1984), 19-42, University of Bucharest, 1984.

  2. On an Alfsen-Effros type order relation on L(E,E). Communication at the 9th International Conference on Operator Theory,Timișoara and Herculane, June 4-14, 1984. In: Report of the 9th Conference on Operator Theory (1984), pp. 81-83, University of Timișoara, 1983.

  3. Subadditive Processes with Values in Banach Spaces. Communication to the Romanian Academy, Meeting of December 7, 1984.

1983

  1. Operators of type A, Communication to ICM82, International Congress of Mathematicians, Warsaw, August 16-24, 1983. See: ICM Short Communications, Abstracts,vol. VI, Section 9, p. 40. 1983.

  2. Order Structures on Spaces of Operators. Conference at the 4th Colloquiumon Topological Ordered Linear Spaces, Brașov, June 11-13, 1983. In vol.: Seminar știintific. Spații liniare ordonate topologice, No. 4 (1983), 21-32, University of Bucharest, 1983.

  3. Operators of type A and local absolute continuity. Communication at the 8th International Conference on Operator Theory, Timișoara and Herculane, June 6-16, 1983. Abstract in: Report of the 8th Conference on Operator Theory (1983), pp. 61-63, University of Timișoara, 1983.

1982

  1. Almost Complete Banach Lattices. Communication to the Romanian Academy, Meeting of April 13, 1982.

  2. Recent Results on Operators defined on Banach Lattices. Conference at the 3rd Colloquium on Topological Ordered Linear Spaces, Craiova, 1982. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 3 (1982), 30-45. University of Bucharest, 1982.

  3. On sigma-Continuous Operators. Communication at the 7th International Conference on Operator Theory, Timișoara and Herculane, June 7-17, 1982. Abstract in: Report of the 7th Conference on Operator Theory (1982), pp. 59-60, University of Timișoara, 1982.

1981

  1. Strictly Singular Operators Defined on Banach Lattices. Conference at the 3rd Symposium on Functional Analysis and its Applications, Craiova, November 6-7, 1981.

  2. The Weakly Compact Operators Viewed as Strictly Singular Operators. Conference at the 2nd Colloquium on Topological Ordered Linear Spaces, Brașov, 1981. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 2 (1981), 34-62.University of Bucharest, 1981.

1980

  1. The Spectrum of p -Absolutely Summing Operators. Conference at the Colloquium on Topological Ordered Linear Spaces, Craiova, 1980. In vol.: Seminar științific. Spații liniare ordonate topologice, No. 1 (1980), 37-50. University of Craiova, 1980.

1979

  1. Absolute Continuity n Banach Space Theory. Communication at the 2nd Symposium on Functional Analysis and its Applications, Craiova, November 2-3, 1979. In: Weak Compactness in Ordered Banach Spaces,INCREST Preprint Series in Math., n0 25/1979.

1978

  1. On the Equality L(E, F) = N(E,F). Conference atthe Symposium Gh. Țițeica, Craiova, September 20-21, 1978. In vol.: Symposium Gh. Țițeica, pp. 155-165, University of Craiova, 1978.

1977

  1. The Ideal of Absolutely Continuous Operators. Communication at the Symposium on Functional Analysis and its Applications, Craiova, October 28-29, 1977. In: Absolute Continuity in Banach Space Theory, INCREST Preprint Series in Math. No 32/1977.

Last update:  JUly 15, 2018 Faculty of Sciences