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We show that the problem of counting the number of $n$-variable unate functions reduces to the problem of counting the number of $n$-variable monotone functions. Using recently obtained results on $n$-variable monotone functions, we obtain…

Combinatorics · Mathematics 2023-10-04 Aniruddha Biswas , Palash Sarkar

We introduce a new class of real-valued monotones in preordered spaces, injective monotones. We show that the class of preorders for which they exist lies in between the class of preorders with strict monotones and preorders with countable…

Information Theory · Computer Science 2022-08-18 Pedro Hack , Daniel A. Braun , Sebastian Gottwald

In this work we obtain recurrent formulae for the number of permutations with either increasing or monotonic (i.e., both increasing and decreasing) runs of bounded length. Our formulae allow one to efficiently compute the number of such…

Combinatorics · Mathematics 2013-02-25 Max A. Alekseyev

We will prove that if $\phi$ belongs to the class $A_1(\R)$ with constant $c\ge1$ then the decreasing rearrangement of $\phi$, belongs to the same class with constant not more than $c$. We also find for such $\phi$ the exact best possible…

Functional Analysis · Mathematics 2014-04-01 Eleftherios N. Nikolidakis

The general fluctuation theory is reviewed with special attention to the role played by different ensembles, and is extended to incorporate stationary metastable states obtained in the long time limit. The fluctuation in a quantity depends…

Statistical Mechanics · Physics 2007-05-23 P. D. Gujrati

In this article, we study some special cases of the problem of classifying polynomials $p:\mathbb{R}^2_+\to (0,\infty)$ for which the net $\{\frac{1}{p(m,n)}\}_{m,n\in \mathbb{Z}_+}$ is a completely monotone net, where $p(x,y)=b(x)+a(x)y$,…

Functional Analysis · Mathematics 2025-10-20 Mandar Khasnis , V. M. Sholapurkar

A set ${\cal A} \subseteq \Set{1,...,N}$ is of type $B_2$ if all sums $a+b$, with $a\ge b$, $a,b\in {\cal A}$, are distinct. It is well known that the largest such set is of size asymptotic to $N^{1/2}$. For a $B_2$ set ${\cal A}$ of this…

Number Theory · Mathematics 2007-05-23 Mihail N. Kolountzakis

In this article, we study rates of convergence of the generalization error of multi-class margin classifiers. In particular, we develop an upper bound theory quantifying the generalization error of various large margin classifiers. The…

Statistics Theory · Mathematics 2011-11-10 Xiaotong Shen , Lifeng Wang

Machine learning typically presupposes classical probability theory which implies that aggregation is built upon expectation. There are now multiple reasons to motivate looking at richer alternatives to classical probability theory as a…

Machine Learning · Computer Science 2024-01-30 Christian Fröhlich , Robert C. Williamson

The problem is considered as to whether a monotone function defined on a subset P of a Euclidean space can be strictly monotonically extended to the whole space. It is proved that this is the case if and only if the function is {\em…

Optimization and Control · Mathematics 2022-10-21 Pavel Chebotarev

In this article, we characterize completely alternating functions on an abelian semigroup $S$ in terms of completely monotone functions on the product semigroup $S\times \mathbb Z_+$. We also discuss completely alternating sequences induced…

Functional Analysis · Mathematics 2025-09-04 Monojit Bhattacharjee , Rajkamal Nailwal

In this paper, we investigate the monotonicity of the functions $t \mapsto \frac{\sum_{k=0}^\infty a_k w_k(t)}{\sum_{k=0}^\infty b_k w_k(t)}$ and $x \mapsto \frac{\int_\alpha^\beta f(t) w(t,x) \textrm{d} t}{\int_\alpha^\beta g(t) w(t,x)…

General Mathematics · Mathematics 2023-06-09 Zhong-Xuan Mao , Jing-Feng Tian

The correspondence between the monotonicity of a (possibly) set-valued operator and the firm nonexpansiveness of its resolvent is a key ingredient in the convergence analysis of many optimization algorithms. Firmly nonexpansive operators…

Optimization and Control · Mathematics 2019-02-27 Heinz H. Bauschke , Walaa M. Moursi , Xianfu Wang

The paper surveys more than forty characterizations of scoring methods for preference aggregation and contains one new result. A general scoring operator is {\it self-consistent} if alternative $i$ is assigned a greater score than $j$…

Optimization and Control · Mathematics 2007-05-23 Pavel Chebotarev , Elena Shamis

We construct a monotone, continuous, but not absolutely continuous function whose minimal modulus of continuity is absolutely continuous. In particular, we establish that there is no equivalence between the absolute continuity of a function…

Classical Analysis and ODEs · Mathematics 2025-01-03 Matteo Muratori , Jacopo Somaglia

We propose monotone comparative statics results for maximizers of submodular functions, as opposed to maximizers of supermodular functions as in the classical theory put forth by Veinott, Topkis, Milgrom, and Shannon among others. We…

Theoretical Economics · Economics 2024-08-14 Alfred Galichon , Yu-Wei Hsieh , Maxime Sylvestre

We characterize, in the context of rearrangement invariant spaces, the optimal range space for a class of monotone operators related to the Hardy operator. The connection between optimal range and optimal domain for these operators is…

Functional Analysis · Mathematics 2013-11-15 Javier Soria , Pedro Tradacete

Advances in deep learning theory have revealed how average generalization relies on superficial patterns in data. The consequences are brittle models with poor performance with shift in group distribution at test time. When group annotation…

Machine Learning · Computer Science 2022-10-25 Giorgio Giannone , Serhii Havrylov , Jordan Massiah , Emine Yilmaz , Yunlong Jiao

We discuss a number of estimates of the hazard under the assumption that the hazard is monotone on an interval [0,a]. The usual isotonic least squares estimators of the hazard are inconsistent at the boundary points 0 and a. We use…

Statistics Theory · Mathematics 2011-02-22 Piet Groeneboom , Geurt Jongbloed

For a variety of pattern-avoiding classes, we describe the limiting distribution for the number of fixed points for involutions chosen uniformly at random from that class. In particular we consider monotone patterns of arbitrary length as…

Combinatorics · Mathematics 2023-06-22 Samuel Miner , Douglas Rizzolo , Erik Slivken