Abstract algebra, Algebraic Structures, Modern mathematicsAlgebraic Structures | Solving the Matrix Commutator MX = XM | if P , Q ∈ B, then P*Q ∈ B?
Abstract algebra, Algebraic Structures, Modern mathematicsAlgebraic Structures | Solving the Matrix Commutator MX = XM | if P , Q ∈ B, then P+Q ∈ B?
Abstract algebra, Algebraic Structures, Modern mathematicsAlgebraic Structures | Solving the Matrix Commutator MX = XM | Which of the Matrix in A belongs to B ?
Abstract algebra, Algebraic Structures, Modern mathematicsAlgebraic Structures | Solving the Matrix Commutator MX = XM | f: R+→Z map a positive real number to the first digit to the right of the decimal point : Well-defined ?
Abstract algebra, Algebraic Structures, Modern mathematicsAlgebraic Structures | Solving the Matrix Commutator MX = XM | f:Q→Q, defined by f(a/b)=a^2/b^2. | well-defined ?
Abstract algebra, Algebraic Structures, Modern mathematicsAlgebraic Structures | Solving the Matrix Commutator MX = XM | is 2 x 2 matrices with real number well-defined ?
Abstract algebra, Algebraic Structures, Modern mathematicsAlgebraic Structures | Solving the Matrix Commutator MX = XM | f:Q→Z, defined by f(a/b)=a | well-defined ?