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12h
revised Bit complexity versus arithmetic complexity of polynomial multiplication
added 1 character in body
15h
asked Bit complexity versus arithmetic complexity of polynomial multiplication
Feb
2
awarded  Popular Question
Jan
31
revised On primitive type matrix ranks
edited tags
Jan
31
revised Fixed points of self maps
edited tags
Jan
23
revised Incidence geometry and matrices
edited body
Jan
22
comment Is there an algorithm to solve quadratic Diophantine equations?
I am sorry $2^m$ modular roots where $m$ is number of prime divisors of $c$. Why is finding $0<x<b$ NP complete?
Jan
22
comment Is there an algorithm to solve quadratic Diophantine equations?
I dont understand why $x^2=a\bmod c$ is NP complete even when factorization of $c$ is given? we have only two modular roots of $x$ in general right?
Jan
18
reviewed Approve Cross section point of two conics curves
Jan
15
reviewed Approve Example of progressively measurable process that is not predictable
Jan
13
comment Standard rational functions from matrices
do you mean rank(B)=1?
Jan
13
asked Standard rational functions from matrices
Jan
12
comment $0/1$ programming multiple quadratic constraints
if you have $n$ equations that form a full rank system it is trivial to test (just solve the linear system using Gaussian elimination and check if it is $0/1$).
Jan
10
comment $0/1$ programming multiple quadratic constraints
making $y_{ij}=y_{ji}$ still leaves dependency among variables also checking a rank $n$ $n\times n$ system has a $0/1$ assignment is trivial.
Jan
10
comment $0/1$ programming multiple quadratic constraints
@S.Carnahan integer coefficients.
Jan
10
asked $0/1$ programming multiple quadratic constraints
Jan
4
reviewed Approve Do pseudo-differential operators preserve smoothness without compact support assumption?
Jan
3
revised Functional composition of Hadamard product
deleted 14 characters in body
Jan
3
revised Functional composition of Hadamard product
edited tags
Jan
3
comment Functional composition of Hadamard product
@YemonChoi yes exactly do you want me to rewrite post? It is kind of representation theory problem.