New posts in minimal-polynomials

If $A$ is a matrix such that $A^T = A^2$, what are eigenvalues of $A$?

linear-algebra matrices eigenvalues-eigenvectors minimal-polynomials transpose

Why is $\mathbb{Q}(\operatorname{exp}(\frac{2\pi i}{5}))$ a field extension of degree four not five?

abstract-algebra field-theory extension-field minimal-polynomials

Minimal polynomial of $T(X)=A^{-1}XA$

linear-algebra vector-spaces eigenvalues-eigenvectors minimal-polynomials

How to efficiently compute the minimal polynomial of a number expressed in radicals?

abstract-algebra numerical-methods computational-mathematics minimal-polynomials computer-algebra-systems

How to find all field homomorphisms $\mathbb Q(\sqrt(5+ \sqrt 5 ) \rightarrow \mathbb C$

field-theory minimal-polynomials

Determine the minimal polynomial of $\sqrt 3+\sqrt 5$

abstract-algebra field-theory minimal-polynomials

Find the minimal polynomial for $\sqrt[3]{2} + \sqrt[3]{4}$ over $\mathbb{Q}$

abstract-algebra field-theory extension-field minimal-polynomials

Show $\mathbb{Q}( \sqrt{5},\sqrt{7} ) = \mathbb{Q}( \sqrt{5} + \sqrt{7} )$

abstract-algebra field-theory extension-field minimal-polynomials

Characteristic Polynomial of Restriction to Invariant Subspace Divides Characteristic Polynomial

linear-algebra matrices determinant alternative-proof minimal-polynomials

Relation between AB and BA

linear-algebra eigenvalues-eigenvectors minimal-polynomials

Minimum polynomial of $\sqrt{2} + \sqrt[3]{5}$ above $\mathbb{Q}$ (and a generalization)

abstract-algebra field-theory extension-field minimal-polynomials

Find a polynomial $P_{n}\in{\mathbb{C}[X]}$ such as $S_{n}=\ker P_{n}(D)$

linear-algebra abstract-algebra eigenvalues-eigenvectors minimal-polynomials

If $A$ is a $5 \times 5$ complex matrix with $A^4=A^2 \neq A$, then what are its possible minimal polynomials?

linear-algebra matrices minimal-polynomials

Are there uncountably many $A\in M_3 (\mathbb {R})$ such that $A^8=I $?

linear-algebra matrices matrix-equations minimal-polynomials

Field extensions of finite degree and primitive elements

abstract-algebra field-theory extension-field minimal-polynomials

Minimal polynomial of restriction to invariant subspace divides minimal polynomial

linear-algebra linear-transformations minimal-polynomials

What is the exact value of the radius in the Six Disks Problem?

geometry circles minimal-polynomials combinatorial-geometry discrete-geometry

Calculate minimal polynomial of a matrix

linear-algebra matrices minimal-polynomials

Minimal Polynomial of $\sqrt{2}+\sqrt{3}+\sqrt{5}$

abstract-algebra polynomials ring-theory field-theory minimal-polynomials

Minimal polynomial for T is a product of distinct linear factors

linear-algebra eigenvalues-eigenvectors minimal-polynomials