Timothy Foo
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View article: On the sum of integers from some multiplicative sets and some powers of integers
On the sum of integers from some multiplicative sets and some powers of integers Open
We show that if there exists an integer subject to some congruence conditions that cannot be written as the sum of the norm of an ideal in $\mathbb{Z}[\exp(2πi/2^k)]$ and at most $k$ powers of $2$, $k\geq 3$, then there are infinitely many…
View article: On the parity of the multiplicative order of certain products of integers related to Gauss factorials
On the parity of the multiplicative order of certain products of integers related to Gauss factorials Open
In this note, we prove that under some conditions, certain products of integers related to Gauss factorials are always quadratic residues.