# Laboratory seminar

If you want to join, please contact K. Rjutin (email ), Yu. Malykhin (email ) or L. Burusheva (email ).

4 October 2024, 16:00.

### S.N. Skorik, A.N. Beznosikov, "On open problems in Federated Learning".

19 July 2024, 16:00.

### I.R. Kayumov, "Estimates for integral means of finite Blaschke products".

24 May 2024, 16:00.

### Yu.V. Malykhin, K.S. Rjutin, "Approximation by subspaces of unconditional bodies".

26 April 2024, 16:00.

### A.S. Orlova, "About greedy algorithms with respect to several dictionaries".

12 April 2024, 16:00.

### Yu.A. Skvortsov, "Weak limits of consecutive projections".

### T.I. Zaitseva, "The history and classification of different plane tilings".

29 March 2024, 16:00.

### D.V. Gorbachev, "Sampling by zeros of eigenfunctions of Sturm-Liouville problem".

15 March 2024, 16:00.

### A.I. Osinskii, "The existence and construction of close to optimal column and cross matrix approximations".

1 March 2024, 16:00.

### K.S. Rjutin, "On some works on Hilbert's thirteenth problem and Kolmogorov-Arnold superposition theorem", part 2.

16 February 2024, 16:00.

### K.S. Rjutin, "On some works on Hilbert's thirteenth problem and Kolmogorov-Arnold superposition theorem".

24 November 2023, 16:00.

### P.S. Alekseeva, "The estimation of distributions with regularly changing tails using gluing of object models and tails of distribution".

10 November 2023, 16:00.

### S. Ponnusamy, "Recent Advances on Bohr Inequality on Power Series".

27 October 2023, 16:00.

### Yu.V. Malykhin, "Hölder exponent and norm of Peano curves".

13 October 2023, 16:00.

### D. Romskii, "Efficient and robust quantized aggregation in federated learning".

15 September 2023, 16:00.

### On open problems.

16 June 2023, 16:00.

### A.N. Beznosikov, "Federated learning".

9 June 2023, 16:00.

### B.S. Kashin, "Kolmogorov-Arnold superposition theorem and neural networks".

### E.D. Kosov, "On discretization of integral norms in Orlicz space".

26 May 2023, 16:00.

### V.N. Temlyakov, "The rate of convergence of greedy algorithms".

19 May 2023, 16:00.

### S.V. Konyagin, K.S. Rjutin, Yu.V. Malykhin, K.S. Shklyaev, "In memory of A.A. Kuleshov".

12 May 2023, 16:00.

### A.A. Avetisyan, "Neural networks for analysis of 12-channel electrocardiograms".

5 May 2023, 16:00.

### A.Yu. Popov, "Bound on the minimum modulus of an analytic function on a circle in terms of a negative power of its norm on a larger circle".

24 April 2023, 16:00.

### K.S. Rjutin, Yu.V. Malykhin, "Robust interpolation".

31 March 2023, 16:00.

### V.N. Temlyakov, "On open problems in discretization".

24 March 2023, 16:00.

### Yu.P. Svetlov, "Greedy approximation for partial differential equations".

10 March 2023, 16:00.

### V.N. Temlyakov, "On greedy approximation".

7 March 2023, 18:30.

### V.N. Temlyakov, "Discretization and sampling recovery".

17 December 2022, 16:00.

### A. Musaeva, "The construction of invariant Lyapunov norms of planar linear switching systems".

10 December 2022, 16:00.

### E. Kosov, "Open problems in discretization of integral norms".

3 December 2022, 16:00.

### Yu. Skvortsov, "On the problem of existence of the element with given least deviation with additional constraints".

18 November 2022, 16:00.

### V.N. Temlyakov, "Some inequalities between characteristics of function classes". PDF

8 August 2022, 14:00.

### V.N. Temlyakov, P.A. Borodin, A.A. Kuleshov, M.R. Gabdullin, K.S. Rjutin, Yu.V. Malykhin, "Approximation theory problems".

20 May 2022, 16:00.

### V.N. Temlyakov, "On new discretization problems".

13 May 2022, 16:00.

### Yu.P. Svetlov, "The convergence of greedy algorithms in Banach spaces".

### D. Pimenov, "The properties of random sections of multivariate surfaces of second order".

11 February 2022, 16:00.

### M. Ullrich, "Power of function values for \(L_2\)-approximation".

24 December 2021, 16:00.

### V.Yu. Protasov, "Subdivision schemes and Euler binary partition function".

26 November 2021, 16:00.

### D. Romskii, "\(\ell_p\)-Spread properties of sparse matrices".

24 September 2021, 16:00.

### S.Yu. Artamonov, "The characterization of periodic Besov spaces with general modulus of smoothness in terms of constructive methods of approximation".

27 August 2021, 16:00.

### M.R. Gabdullin, "The set of squares in a short interval is a \(\Lambda_4\)-set".

2 July 2021, 16:00.

### L.Sh. Burusheva, P.A. Borodin, "New results in greedy algorithms".

25 June 2021, 16:00.

### T.I. Zaitseva, "Self-affine tilings and related problems".

4 June 2021, 16:00.

### V.N. Temlyakov, Yu.V. Malykhin, "Open problems".

28 May 2021, 16:00.

### A.E. Vasilyev, "Phase retrieval from the absolute values".

21 May 2021, 16:30.

### V.N. Temlyakov, "Some remarks on sampling recovery".

30 April 2021, 16:00.

### Yu.V. Malykhin, "Matrix complexity and approximation".

23 April 2021, 16:00.

### Ar.R. Valiullin, "Sufficient conditions for convergence of approximate weak greedy algorithms".

16 April 2021, 16:00.

### K.I. Oskolkov, "Vinogradov's series and integrals and their applications-2".

9 April 2021, 16:00.

### K.I. Oskolkov, "Vinogradov's series and integrals and their applications".

2 April 2021, 15:00.

### V.N. Temlyakov, "Some remarks on discretization". PDF.

20 November 2020, 15:00.

### T.I. Zaitseva, "Multivariate B-splines and wavelets".

16 October 2020, 15:00.

### Al.R. Valiullin and Ar.R. Valiullin, "The improvement of the result of greedy expansions with prescribed coefficients-2".

9 October 2020, 15:00.

### I.V. Limonova, "On sampling discretization in \(L_2\)".

2 October 2020, 15:00.

### Al.R. Valiullin and Ar.R. Valiullin, "The improvement of the result of greedy expansions with prescribed coefficients".

25 September 2020, 15:00.

### P.A. Komissarova, "On the approximation properties of neural networks".

22 May 2020, 15:00.

### A. Debernardi, "Riesz basis of exponentials for convex polytopes with symmetric faces". Presentation: PDF.

1 May 2020, 15:00.

### Al.R. Valiullin, Ar.R. Valiullin, V.V. Galatenko, "The improvement of the positive result on convergence of greedy expansions with prescribed coefficients".

17 April 2020, 15:00.

### T.I. Zaitseva, K.S. Ryutin, Yu.V. Malykhin, "Recovery of regular ridge-functions-3".

10 April 2020, 15:00.

### T.I. Zaitseva, K.S. Ryutin, Yu.V. Malykhin, "Recovery of regular ridge-functions-2".

6 March 2020, 15:00.

### K.S. Shklyaev, "On density of sums of dilations and sums of shifts of one function in the spaces \(L_p(\mathbb{R})\) and \(C_0(\mathbb{R})\)".

28 February 2020, 15:00.

### T.I. Zaitseva, "About wavelet systems".

21 February 2020, 15:00.

### I.V. Limonova, "Decomposing a matrix into two submatrices with extreme bound of norm of arbitrary vector's image".

14 February 2020, 15:00.

### A.V. Dereventsov, "The Natural Greedy Algorithm for Reduced Bases in Banach Spaces".

24 January 2020, 15:00.

### L.Sh. Burusheva, "About \(o\)-estimate for \(m\)-term approximation and a posteriori bound of the rate of convergence of greedy algorithm (based on the joint work with V.N. Temlyakov)".

27 December 2019, 15:00.

### M.R. Gabdullin, "A small presentation about large values of \(L^1\)-norm of trigonometric polynomials with 1/0 coefficients". ("Youth" seminar.)

13 December 2019, 15:00.

### E.D. Kosov, "About general chaining method and its possible applications to discretization problems". ("Youth" seminar.)

3 December 2019, 18:30, Main Building, 16-08.

### P.A. Borodin, "An example of divergence of greedy algorithm with respect to a non-symmetric dictionary (with proof)".

29 November 2019, 15:00.

### D. Romskii, O. Mashkova, "Upper estimate of Banach-Mazur distances to the cube".

15 November 2019, 15:00.

### A.S. Rubtsova, "Dispersion of the Fibonacci set, by the article V.N. Temlyakov "Dispersion of the Fibonacci and the Frolov point sets"".

1 November 2019, 15:00.

### Yu.V. Malykhin, K.S. Ryutin, "Recovery of regular ridge-functions". ("Youth" seminar.)

18 October 2019, 15:00.

### V.N. Temlyakov, "Some theorems related to greedy algorithms". ("Youth" seminar.)

11 October 2019, 15:00.

### V.N. Temlyakov, "Chaining". ("Youth" seminar.)

19 April 2019, 16:15.

### Yu.V. Malykhin, "The approximation of multidimensional functions with special structure".

29 March 2019, 16:15.

### Yu.V. Malykhin, "Big data analysis and processing in search engines".

15 March 2019, 16:00.

### E.M. Dyuzhev, "Asymmetric travelling salesman problem".

14 November 2018.

### A.S. Rubtsova, "The dispersion's bounds of subsets of the unit cube".

24 October 2018.

### M.R. Gabdullin, "The proofs of Marcinkiewicz theorems".

17 October 2018.

### V.N. Temlyakov, "Discretization of Chebyshev norm. Numerical integration".

17 October 2018.

### V.N. Temlyakov, "The probabilistic technique and the new results of discretization of integral norms".

3 October 2018.

### K.S. Ryutin, "Discretization of norms. Marcinkiewicz-type theorems".

14 September 2018, 16:45—20:00.

### 1. S.V. Konyagin, "Recovery of integer vectors from linear measurements".

### 2. P.A. Borodin, "Greedy and non-greedy approximation by arbitrary set".

25 May 2018, 16:00.

### V.N. Temlyakov, "Overview of the problems of greedy algorithms and multidimensional discretization".

25 May 2018, 18:30.

### B.S. Kashin, Yu.V. Malykhin, K.S. Ryutin, "Kolmogorov widths and approximate rank".

31 March 2018.

### D.P. Vetrov, "Open problems in deep learning: Bayesian solution".

16 March 2018.