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Large-genus limit: normalized Witten intersection numbers approach 1/π uniformlySurvey urges broader attention to sumset problems in additive number theoryNeural networks speed up estimates of matrix condition numbers for large sparse systemsLarge-genus limit: normalized Witten intersection numbers approach 1/π uniformlySurvey urges broader attention to sumset problems in additive number theoryNeural networks speed up estimates of matrix condition numbers for large sparse systems

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Tuesday, March 17, 2026
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MathematicsFeatured briefing

Large-genus limit: normalized Witten intersection numbers approach 1/π uniformly

This paper studies how certain numbers that arise from integrating basic geometric classes over the moduli space of complex curves behave wh

March 17, 2026EN2 min read
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Mathematics
March 17, 2026

Survey urges broader attention to sumset problems in additive number theory

This paper is a survey arguing that additive number theory should pay more attention to a wider range of problems. The author, Melvyn B. Nat

EN
2 min read
Machine Learning
March 16, 2026

Neural networks speed up estimates of matrix condition numbers for large sparse systems

This paper introduces a fast, data-driven way to estimate the condition number of large sparse matrices using graph neural networks (GNNs).

EN
2 min read