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Showing 2021 · math.COShow all
3 papers · 2 filters
math.CO2021★ 10 cited
Parity biases in partitions and restricted partitions
Koustav Banerjee, Sreerupa Bhattacharjee, Manosij Ghosh Dastidar +2
Let (resp. ) denote the number of partitions of with more odd parts (resp. even parts) than even parts (resp. odd parts). Recently, Kim, Kim, and Lovejoy p…
math.CO2021★ 2 cited
On automorphisms of the double cover of a circulant graph
Ademir Hujdurović, Đorđe Mitrović, Dave Witte Morris
A graph is said to be "unstable" if the direct product (also called the canonical double cover of ) has automorphisms that do not come from automorphisms of i…
math.CO2021★ 1 cited
Balancedly splittable orthogonal designs and equiangular tight frames
Hadi Kharaghani, Thomas Pender, Sho Suda
The concept of balancedly splittable orthogonal designs is introduced along with a recursive construction. As an application, equiangular tight frames over the real, complex, and q…