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Kanghun Kim's user avatar
Kanghun Kim's user avatar
Kanghun Kim's user avatar
Kanghun Kim
  • Member for 7 years, 4 months
  • Last seen more than a month ago
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Mathematics / data science junior, born 2001. <3 math since I was 9 :)

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Top posts
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question
8
Question on whether, "An entire function, nowhere zero, has an entire logarithm," holds for matrix-valued entire functions as well
Dec 25, 2023
question
7
Is the set of purely real square matrices, that are complex-diagonalisable, dense in the set of real matrices?
Jan 12, 2023
question
3
Is the set of real matrices with at least one real logarithm closed under multiplication?
Feb 7, 2023
question
2
Question on density of certain set of matrices
Mar 17, 2023
question
1
Question on possibility of uniquely defining the FRFT via certain properties
Dec 25, 2022
question
1
Question on the existence of a certain decomposition method for real square matrices
Feb 6, 2023
question
1
Singularity of matrix pencil-like expression
Feb 8, 2023
answer
1
Question on possibility of uniquely defining the FRFT via certain properties
Jun 23, 2023
question
0
Follow-up question regarding real singular matrices with additional details
Feb 9, 2023
question
0
Differential form of the multidimensional "orthogonal dilation" operator
Mar 4, 2023
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7
Is there a sequence/sum of commonly used, closed-form "DFT functional"s that mathematically converges to the exact exchange-correlation potential?
7
Is an "exact" double hybrid density the same as the "exact" DFT density?
6
Closed-form expression for excitation energies, given the exact XC functional
6
How are the energies of natural atomic orbitals calculated when they are, strictly speaking, not "meaningful" wavefunctions?
6
Why is carbon monoxide non-Brönsted-basic in aqueous solution when it has a lone pair on carbon?