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We investigate the iterative behaviour of continuous order preserving subhomogeneous maps that map a polyhedral cone into itself. For these maps we show that every bounded orbit converges to a periodic orbit and, moreover, that there exists…

动力系统 · 数学 2007-05-23 Marianne Akian , Stephane Gaubert , Bas Lemmens , Roger Nussbaum

A number of results related to statistical classification on convex sets are presented. In particular, the focus is on the case where some of the covariates in the data and observation being classified can be missing. The form of the…

统计理论 · 数学 2018-05-02 Levon Demirdjian , Majid Mojirsheibani

Over the last decade, Convolutional Neural Network (CNN) models have been highly successful in solving complex vision problems. However, these deep models are perceived as "black box" methods considering the lack of understanding of their…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Aditya Chattopadhyay , Anirban Sarkar , Prantik Howlader , Vineeth N Balasubramanian

With this note we bring again into attention a vector dual problem neglected by the contributions who have recently announced the successful healing of the trouble encountered by the classical duals to the classical linear vector…

最优化与控制 · 数学 2019-11-13 Radu Ioan Bot , Sorin-Mihai Grad , Gert Wanka

We present an effective method for fusing visual-and-language representations for several question answering tasks including visual question answering and visual entailment. In contrast to prior works that concatenate unimodal…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Maxwell Mbabilla Aladago , AJ Piergiovanni

We consider countable linear orders and study the quasi-order of convex embeddability and its induced equivalence relation. We obtain both combinatorial and descriptive set-theoretic results, and further extend our research to the case of…

We study cyclic sieving phenomena (CSP) on combinatorial objects from an abstract point of view by considering a rational polyhedral cone determined by the linear equations that define such phenomena. Each lattice point in the cone…

组合数学 · 数学 2019-04-15 Per Alexandersson , Nima Amini

Many combinatorial proofs rely on induction. When these proofs are formulated in traditional language, they can be bulky and unmanageable. Coalgebras provide a language which can reduce reduce many inductive proofs in graded poset theory to…

组合数学 · 数学 2022-10-07 MLE Slone

Continuous-variables (CV) quantum optics is a natural formalism for neural networks (NNs) due to its ability to reproduce the information processing of such trainable interconnected systems. In quantum optics, Gaussian operators induce…

In this paper, we propose a method for image-set classification based on convex cone models, focusing on the effectiveness of convolutional neural network (CNN) features as inputs. CNN features have non-negative values when using the…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Naoya Sogi , Taku Nakayama , Kazuhiro Fukui

Capsule networks (see e.g. Hinton et al., 2018) aim to encode knowledge and reason about the relationship between an object and its parts. In this paper we specify a \emph{generative} model for such data, and derive a variational algorithm…

机器学习 · 计算机科学 2022-03-16 Alfredo Nazabal , Nikolaos Tsagkas , Christopher K. I. Williams

This paper presents Contrastive Reconstruction, ConRec - a self-supervised learning algorithm that obtains image representations by jointly optimizing a contrastive and a self-reconstruction loss. We showcase that state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Jonas Dippel , Steffen Vogler , Johannes Höhne

Our formal understanding of the inductive bias that drives the success of convolutional networks on computer vision tasks is limited. In particular, it is unclear what makes hypotheses spaces born from convolution and pooling operations so…

神经与进化计算 · 计算机科学 2017-04-19 Nadav Cohen , Amnon Shashua

Learning vector representation for words is an important research field which may benefit many natural language processing tasks. Two limitations exist in nearly all available models, which are the bias caused by the context definition and…

计算与语言 · 计算机科学 2015-06-01 Xuefeng Yang , Kezhi Mao

We introduce constraints necessary for type checking a higher-order concurrent constraint language, and solve them with an incremental algorithm. Our constraint system extends rational unification by constraints x$\subseteq$ y saying that…

cmp-lg · 计算机科学 2008-02-03 Martin Mueller , Joachim Niehren

Containers capture the concept of strictly positive data types in programming. The original development of containers is done in the internal language of locally cartesian closed categories (LCCCs) with disjoint coproducts and W-types, and…

计算机科学中的逻辑 · 计算机科学 2025-07-08 Stefania Damato , Thorsten Altenkirch , Axel Ljungström

We consider the convex quadratic optimization problem with indicator variables and arbitrary constraints on the indicators. We show that a convex hull description of the associated mixed-integer set in an extended space with a quadratic…

最优化与控制 · 数学 2022-11-29 Linchuan Wei , Alper Atamtürk , Andrés Gómez , Simge Küçükyavuz

We study the boundary structure of closed convex cones, with a focus on facially dual complete (nice) cones. These cones form a proper subset of facially exposed convex cones, and they behave well in the context of duality theory for convex…

最优化与控制 · 数学 2019-03-01 Vera Roshchina , Levent Tunçel

Optimization problems involving minimization of a rank-one convex function over constraints modeling restrictions on the support of the decision variables emerge in various machine learning applications. These problems are often modeled…

最优化与控制 · 数学 2023-11-29 Soroosh Shafiee , Fatma Kılınç-Karzan

Deep neural networks exhibit remarkable performance, yet their black-box nature limits their utility in fields like healthcare where interpretability is crucial. Existing explainability approaches often sacrifice accuracy and lack…

机器学习 · 计算机科学 2025-04-08 Linhui Huang , Sayeri Lala , Niraj K. Jha