output
20062025
most citedStable categories of Cohen-Macaulay modules and cluster categories

57 citations

14 papers

econ.GN2025★ 2 cited

Testing Piketty's Hypothesis on the Drivers of Income Inequality: Evidence from Panel VARs with Heterogeneous Dynamics

Carlos Góes

Thomas Piketty's Capital in the Twenty-First Century puts forth a logically consistent explanation for changes in income and wealth inequality patterns. However, while rich in data…

cs.DC2024

Fortran... ok, and what's next?

Vincent Magnin, José Alves, Antoine Arnoud +2

Modern Fortran is a standardized language that includes object-oriented and parallel programming paradigms. The Fortran-lang community, created at the end of 2019, is actively work…

econ.GN2024★ 36 cited

Spillover Effects of US Monetary Policy on Emerging Markets Amidst Uncertainty

Povilas Lastauskas, Anh Dinh Minh Nguyen

This paper examines the impact of US monetary policy tightening on emerging markets, distinguishing between direct and indirect spillover effects using the global vector autoregres…

cs.CL2021★ 21 cited

Few-Shot Text Classification with Triplet Networks, Data Augmentation, and Curriculum Learning

Jason Wei, Chengyu Huang, Soroush Vosoughi +2

Few-shot text classification is a fundamental NLP task in which a model aims to classify text into a large number of categories, given only a few training examples per category. Th…

econ.GN2020★ 2 cited

Globalization? Trade War? A Counterbalance Perspective

Xingwei Hu

This paper investigates the evolving dynamics of international trade, emphasizing the strategic interplay between competition and cooperation within the global trade network. It ar…

stat.ML2020★ 8 cited

Sorting Big Data by Revealed Preference with Application to College Ranking

Xingwei Hu

When ranking big data observations such as colleges in the United States, diverse consumers reveal heterogeneous preferences. The objective of this paper is to sort out a linear or…

math.ST2018

Analytical Standard Errors for Exploratory Factor Solutions

Xingwei Hu, Caihong Hu, Cheng-Kuang Wu

Inference for factor models is often hampered by the lack of tractable and accurate variance estimates, which can materially distort downstream analyses. In practice, uncertainty i…

q-fin.GN2018★ 1 cited

A Dichotomous Analysis of Unemployment Benefits

Xingwei Hu

This paper introduces a novel framework for designing fair and sustainable unemployment benefits, grounded in cooperative game theory and real-time fiscal policy. The labor market…

stat.ML2018★ 1 cited

A Theory of Dichotomous Valuation with Applications to Variable Selection

Xingwei Hu

An econometric or statistical model may undergo a marginal gain if we admit a new variable to the model, and a marginal loss if we remove an existing variable from the model. Assum…

math.RT2011★ 57 cited

Stable categories of Cohen-Macaulay modules and cluster categories

Claire Amiot, Osamu Iyama, Idun Reiten

By Auslander's algebraic McKay correspondence, the stable category of Cohen-Macaulay modules over a simple singularity is equivalent to the -cluster category of the path algebra…

math.RT2011★ 2 cited

Unitary representations of the universal cover of SU(1,1) and tensor products

Guillaume Tomasini, Bent Orsted

In this paper we initiate a study of the relation between weight modules for simple Lie algebras and unitary representations of the corresponding simply-connected Lie groups. In pa…

math.RT2009

The ubiquity of generalized cluster categories

Claire Amiot, Idun Reiten, Gordana Todorov

Associated with some finite dimensional algebras of global dimension at most 2, a generalized cluster category was introduced in \cite{Ami3}, which was shown to be triangulated and…

cs.CC2009★ 7 cited

Speedup for Natural Problems and Noncomputability

Hunter Monroe

A resource-bounded version of the statement "no algorithm recognizes all non-halting Turing machines" is equivalent to an infinitely often (i.o.) superpolynomial speedup for the ti…

gr-qc2006★ 5 cited

Are Causality Violations Undesirable?

Hunter Monroe

Causality violations are typically seen as unrealistic and undesirable features of a physical model. The following points out three reasons why causality violations, which Bonnor a…