Grigory Ivanov

most citedShortest curves in proximally smooth sets: existence and uniqueness

3 citations · 3 across the 5 of their papers we have counts for

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math.CO2026

A colorful quantitative Helly theorem for volume

Grigory Ivanov

We prove a colorful quantitative Helly theorem for volume with the optimal number $2 d$ of colors. If every rainbow intersection from $2 d$ finite families of convex sets in $R^{d}$ h…

math.CO2026

A colorful Steinitz theorem with different centers

G. Ivanov

We prove a colorful quantitative Steinitz theorem in which the color classes may have different centers. If the convex hull of each of $2 d$ sets in $R^{d}$ contains a translate of t…