# Colloquium Lectures

Colloquium Lecture

How to escape the curse of dimensionality in combinatorics

Speaker: Janos Pach (Renyi Institute Budapest and MIPT Moscow)

Colloquium Lecture

Algebraic surfaces with minimal Betti numbers

Speaker: JongHae Keum (Korea Institute for Advanced Study)

Colloquium Lecture

Berkovich spaces over Z and convergent arithmetic power series

Báo cáo viên: Jérôme Poineau (Université de Caen)

Colloquium Lecture

Some inverse source problems in semilinear fractional PDEs

Speaker: Prof. Marian Slodicka (Ghent University, Belgium)

Colloquium Lecture

Algebraic structures for topological summaries of data

Speaker: Professor Ezra Miller, Duke University

Colloquium Lecture

From continuous rational to regulous functions

Speaker: Prof. Krzysztof Kurdyka (Université Mont Blanc)

Colloquium Lecture

Self-avoiding walk, spin systems, and renormalization

Speaker: Professor Gordon Slade (University of British Columbia)

Colloquium Lecture

How accurate are solutions of optimal control problems?

Speaker: Professor Arnd Ro"sch (Universita"t Duisburg-Essen)

### Highlights

22/11/19, Conference: The IMH School Introduction to Algebraic Schemes and Cohomology |

22/11/19, Colloquium Lecture: Berkovich spaces over Z and convergent arithmetic power series |

02/12/19, Conference: School “INVERSE PROBLEMS” |

04/12/19, Conference: Hội nghị Đại số-Lý thuyết số-Hình học và Tô pô 2019 |

09/12/19, Conference: Workshop Quốc tế về Hình học và Tổ hợp |

13/12/19, Colloquium Lecture: How to escape the curse of dimensionality in combinatorics |

20/12/19, Colloquium Lecture: Algebraic surfaces with minimal Betti numbers |

17/02/20, Conference: SEAMS school “Arithmetic, Geometry and Model Theory” |

04/03/20, Conference: MIS-IMH research school on Mathematics of Data |

### New Scientiffic Publications

- Nguyen Dang Hop, Ngo Viet Trung, Depth functions of symbolic powers of homogeneous ideals, Inventiones mathematicae, 218 (2019), 779–827, SCI(-E), Scopus.
- Doan Trung Cuong, The maximal dimension of formal fibers of local rings of an algebraic scheme of finite type, Journal of Algebra and Its Applications 18 (2019) 1950120 (15 pages), SCI(-E); Scopus.
- Nguyen T. Thanh, Vu Ngoc Phat, Improved approach for finite-time stability of nonlinear fractional-order systems with interval time-varying delay, IEEE Transition on Circuits Systems II: Express Brief, 66 (2019), 1356-1360, 2019, SCI(-E).