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September 17, 2026
'I Wish That People Would Place Greater Trust in Science'
When Tatiana Eremicheva chose Fundamental and Computational Linguistics as her field of study, she thought it would be about learning languages. Instead, she discovered it was about helping people. In this interview for the HSE Young Scientists project, she discusses science as a way of understanding the world, billiards as a team-building activity, and why learning to read is not always as easy as it seems.
September 15, 2026
Immunity to Chaos: How Personal Resources Help Us Cope with the Challenges of a Turbulent World
International conflicts, crises and digital overload—the modern world puts our minds to the test every day. Traditional psychology often focuses on the consequences: anxiety, depression, and psychosomatic disorders. But what if we looked at the problem differently—through the lens of the resources that prevent us from breaking down? Psychological immunity is precisely this set of resources. Alena Zolotareva and her group, Psychological Immunity as a Resource for Positive Functioning, are developing an integrative model of this phenomenon, adapting diagnostic tools and preparing for large-scale empirical research. Why do psychologists need to collaborate with medical professionals, and how could their research transform preventive care in clinics and corporations?
September 11, 2026
How to Assess Students Knowledge in the Age of AI
A researcher at HSE University has proposed a flowchart to help lecturers decide how to assess students who use artificial intelligence. It shows where the use of AI should be restricted and where it can be incorporated into the learning process. The article has been published in IT Professional.

 

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Робастное оценивание в пороговой авторегрессии

Вестник Московского государственного технического университета им. Н.Э. Баумана. Серия Естественные науки. 2017. № 6. С. 19–30.
Goryainov V. B., Goryainova E. R.
Priority areas: mathematics
Language: Russian
Full text
DOI
Keywords: М-оценкиасимптотическая нормальностьасимптотическая относительная эффективностьраспределение Тьюкипороговая модель авторегрессии
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On phase-lock area parquet in a special slow-fast limit of model of Josephson junction.
Glutsyuk A., / Series arXiv "math". 2026.
B.Josephson (Nobel Prize, 1973) predicted a tunnelling effect for a system of two superconductors separated by a narrow dielectric (such a system is called Josephson junction): existence of a supercurrent through it and equations governing it. The overdamped Josephson junction is modeled by the family of differential equations on the 2-torus, dθdτ=1ω(cosθ+B+Acosτ), which is known as ...
Added: September 8, 2026
Infinitely many graph manifolds with unique geometrical piece that admit arbitrarily many Anosov flows
Pochinka O., Shmukler V., / Series math.RT "arXiv:1808.06395 [math.RT]". 2026.
Anosov flows have a long and rich history, firstly motivated by the study of geodesic flows in negative curvature surface by Anosov and Sinai. Not every closed manifold admits an Anosov flow for well-known reasons: the fundamental group of a 3-manifold M admitting an Anosov flow must have exponential growth, and M must be universally covered by R3. Nevertheless, there ...
Added: August 31, 2026
New bound on S1× S2-setting Bell locality of a nonseparable Werner state
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In many quantum applications it is important to know whether or not a Bell nonlocal two-qudit state exhibits its nonlocality under correlation scenarios with some given numbers S1,S2≥1 of generalized quantum measurements at two sites. In the present article, we find analytically a new general locality condition sufficient for a  nonseparable Werner state with a ...
Added: July 21, 2026
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Chow polylogarithms are some special functions arising in explicit description of the Beilinson regulator map. The most interesting functional equation for this function reflects its vanishing on the boundary in the Bloch's cycle complex. We show that this functional equation formally follows from more simple ones, namely skew-symmetry, functoriality and multiplicativity. To prove this, we study ...
Added: July 16, 2026
On Goncharov’s conjecture in next to Milnor degree
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Let K be a field of characteristic zero. We prove that its motivic cohomology in degree m−1 and weight m is rationally isomorphic to the cohomology of the polylogarithmic complex. This gives a partial extension of A. Suslin theorem describing the indecomposable K3 of a field. ...
Added: July 16, 2026
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This paper investigates the problem of statistical inference for a mixture distribution consisting of a discrete and a continuous component, with a particular focus on the class of rational-infinitely divisible distributions. We consider non-parametric estimation of both components of the mixture as well as the quasi-L{é}vy measure, assuming that the mixture belongs to the class ...
Added: July 9, 2026
Strong Approximations for Markov Chains Weakly Converging to Diffusions
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In this paper, we construct strong approximations for discrete-time Markov chains weakly converging to continuous diffusion processes, as well as for their perturbed counterparts. Under the assumption of bounded coefficients, we construct closely coupled versions of these processes on a shared probability space. In particular, for both non-degenerate and degenerate cases, we maximize the probability ...
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Bifurcations and Structural Stability of Generic PC-HC Families
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In this paper the structural stability of generic families of vector fields of the PC-HC class on the two-dimensional sphere is proved. A classification of these families up to moderate equivalence in neighborhoods of their large bifurcation supports is presented, based on such invariants as the configuration and the characteristic set. The realization lemma is proved. ...
Added: May 14, 2026
On the minimum number of maximal distance-k independent sets in trees
Taletskii D., / Series arXiv "math". 2026.
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On Arithmetic Mirror Symmetry for smooth Fano fourfolds
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Added: April 30, 2026
On weak solutions to the 1d compressible Navier-Stokes equations: a Lipschitz continuous dependence on data in weaker norms and an error of their homogenization
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We deal with the global in time weak solutions to the 1D compressible Navier-Stokes system of equations for large discontinuous initial data and nonhomogeneous boundary conditions of three standard types. We prove the Lipschitz-type continuous dependence of the solution $(\eta,u,\theta)$, in a norm slightly stronger than $L^{2,\infty}(Q)\times L^2(Q)\times L^2(Q)$,  on the initial data $(\eta^0,u^0,e^0)$ in a ...
Added: April 18, 2026
On the dimension of the space of static potentials on three-manifolds
Medvedev V., / Series arXiv "math". 2026.
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Using predefined vector systems to speed up neural network multimillion class classification
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Label prediction in neural networks (NNs) has O(n) complexity proportional to the number of classes. This holds true for classification using fully connected layers and cosine similarity with some set of class prototypes. In this paper we show that if NN latent space (LS) geometry is known and possesses specific properties, label prediction complexity can ...
Added: April 2, 2026
Homogeneous maximizers of the Blaschke-Santalo-type functionals
Kolesnikov A., / Series arXiv "math". 2025.
We study Blaschke--Santal{ó}-type inequalities for N>=2  sets (functions) and a special class of cost functions. In particular, we prove new results about reduction of the maximization problem for the Blaschke--Santal{ó}-type functional to homogeneous case (functional inequalities on the sphere) and extend the symmetrization argument to the case of  N>2 sets. We also discuss links to the ...
Added: February 13, 2026
Iterative Ricci-Foster Curvature Flow with GMM-Based Edge Pruning: A Novel Approach to Community Detection
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Community detection in complex networks is a fundamental problem, open to new approaches in various scientific settings. We introduce a novel community detection method, based on Ricci flow on graphs. Our technique iteratively updates edge weights (their metric lengths) according to their (combinatorial) Foster version of Ricci curvature computed from effective resistance distance between the ...
Added: January 15, 2026
On finding formal power-logarithmic expansions of solutions to q-difference equations
Gaianov N., Parusnikova A., / Cornell University. Серия math "arxiv.org". 2025.
An algebraic q-difference equation is considered. A sufficient condition for the existence of a formal power-logarithmic expansion of a solution to such an equation in the neighborhood of zero is proposed. An example of applying this sufficient condition for constructing a formal expansion of a solution to a certain q-difference analogue of the fifth Painlevé equation ...
Added: December 25, 2025
Исследование устойчивости к аномальным наблюдениям модификаций метода главных компонент
Goryainov V. B., Goryainova E. R., Вестник Московского государственного технического университета им. Н.Э. Баумана. Серия Естественные науки 2023 № 2(107) С. 17–34
The paper considers the problem of reducing multidimensional correlated indicators. One of the approaches to solving this problem is based on the method of principal components, which makes it possible to compactly describe the vector with correlated coordinates (components) using the principal components vector with uncorrelated coordinates of much smaller dimension, while retaining most of the information about correlation structure of the original ...
Added: August 26, 2023
Cramér-type moderate deviations for intermediate trimmed means
Nadezhda Gribkova, Communications in Statistics-Theory and Method 2017 Vol. 46 No. 23 P. 11918–11932
In this article, we establish Cramér-type moderate deviation results for (intermediate) trimmed means Tn = n− 1∑n − mni = kn + 1Xi: n, where Xi: n's are the order statistics corresponding to the first n observations in a sequence X1, X2, … of independent identically distributed random variables with  F. We consider two cases of intermediate and heavy trimming. In the former case, when max (αn, βn) → 0 (αn = kn/n, βn = mn/n) and ...
Added: February 28, 2020
Statistical foundations for assessing the difference between the classical and weighted-Gini betas
Gribkova N., Zitikis R., Mathematical Methods of Statistics 2017 Vol. 26 P. 267–281
The ‘beta’ is one of the key quantities in the capital asset pricing model (CAPM). In statistical language, the beta can be viewed as the slope of the regression line fitted to financial returns on the market against the returns on the asset under consideration. The insurance counterpart of CAPM, called the weighted insurance pricing ...
Added: February 28, 2020
Weighted allocations, their concomitant-based estimators, and asymptotics
Gribkova N., Zitikis R., Annals of the Institute of Statistical Mathematics 2019 Vol. 71 No. 4 P. 811–835
Various members of the class of weighted insurance premiums and risk capital allocation rules have been researched from a number of perspectives. Corresponding formulas in the case of parametric families of distributions have been derived, and they have played a pivotal role when establishing parametric statistical inference in the area. Nonparametric inference results have also ...
Added: February 28, 2020
М-оценки в пороговой авторегрессии
Горяинов В. Б., Goryainova E. R., Вестник Московского государственного технического университета им. Н.Э. Баумана. Серия Естественные науки 2018 № 3 С. 13–23
Проведено робастное оценивание параметров авторегрессионных пороговых моделей с помощью М-оценок с необязательно выпуклой целевой функцией. Доказана асимптотическая нормальность этих оценок, а также исследована их относительная асимптотическая эффективность по отношению к оценкам наименьших модулей, оценкам  наименьших квадратов и М-оценкам  с выпуклой целевой функцией. ...
Added: October 30, 2018
Experimental and Analytic Comparison of the Accuracy of Different Estimates of Parameters in a Linear Regression Model
Goryainova E. R., Botvinkin E. A., Automation and Remote Control 2017 Vol. 78 No. 10 P. 1819–1836
We consider LS-, LAD-, R-, M-, S-, LMS-, LTS-, MM-, and HBR-estimates for the parameters of a linear regression model with unknown noise distribution. With computer modeling for medium sized samples, we compare the accuracy of the considered estimates for the most popular probability distributions of noise in a regression model. For different noise distributions, ...
Added: December 29, 2017
Знаковые критерии проверки гипотезы о порядке уравнения в модели скользящего среднего
Goryainova E. R., Goryainov V. B., Вестник Московского государственного технического университета им. Н.Э. Баумана. Серия Естественные науки 2016 № 6 С. 4–15
The article deals with constructing the sign test for the hypothesis about the order of equation in moving average. We found the asymptotic distribution of the test statistics which appeared to be the central X-2-distribution under the null hypothesis and the noncentral X-2-distribution under the alternative one. Knowing the asymptotic distribution makes it possible to calculate the asymptotic relative efficiency of the ...
Added: February 6, 2017
Comparison of efficiency of estimates by the methods of least absolute deviations and least squares in the autoregression model with random coefficient
Goryainov A. V., Goryainova E. R., Automation and Remote Control 2016 Vol. 77 No. 9 P. 1579–1588
For the model of autoregression with a random coefficient, the estimate by the least absolute deviations (LAD) method was proved to be consistent and asymptotically normal. For the asymptotic relative efficiency of the estimate by the LAD method as compared to the least squares method, an analytical expression was obtained. For the case where the ...
Added: November 13, 2016
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