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math.CO2021
New lower bounds on kissing numbers and spherical codes in high dimensions
Irene Gil Fernández, Jaehoon Kim, Hong Liu +1
Let the kissing number be the maximum number of non-overlapping unit balls in that can touch a given unit ball. Determining or estimating the number has…
math.CO2021
Nested cycles with no geometric crossings
Irene Gil Fernández, Jaehoon Kim, Younjin Kim +1
In 1975, Erdős asked the following question: what is the smallest function for which all graphs with vertices and edges contain two edge-disjoint cycles and…