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Join experts in discussing linear and abstract algebra topics. This includes vector spaces and linear transformations. Also groups and other algebraic structures along with Number Theory.
Graduate (n-1)-dimensional subspace is the null space of a linear functional
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Graduate Is \(\mathbb{Q}(\sqrt{5})\) a Unique Factorization Domain?
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Graduate Chinese Remainder Theorem: A Powerful Tool in Number Theory
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Graduate Normal Derivative at Boundary Surface S Explained
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Graduate Fonction smaller than iterated logs, but not constant
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Undergrad How to show something is a subspace
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Graduate Lattices in nilpotent Lie groups
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Undergrad Linear Independence/Dependence of Vectors
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Graduate Relationship Between Symplectic Group and Orthogonal Group
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Graduate Is U + U' a subspace if U and U' are contained in W?
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Undergrad How to convert polynomial to matrix?
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Undergrad Are Matrices with the Same Eigenvalues Always Similar?
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Graduate Proving Gauss's Lemma Extension in Polynomial Factoring
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Graduate Left- and Right- Kernels of Bilinear maps B:VxV->K for V.Spaces
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Undergrad Q: Notation for Differentiable Functions
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Graduate Vectors with different coordinate systems
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Graduate Can someone explain the Lie algebra concept to me?
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Graduate The Determinant of a Matrix of Matrices
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Graduate Finding the canonical form of a quadratic form.
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Graduate Complex Hilbert Space as a Symplectic Space?
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Graduate Is R a Subring of M2(Z)?
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Graduate What Are Homology and Graded Groups in Mathematics?
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Undergrad How do you find the basis for the spanning set which contains matrices?
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Undergrad What Are the Best Online Resources for Learning Abstract Algebra?
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Graduate Listing the elements of a symmetry group of a frieze pattern
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Undergrad Differnece between the Kernel and the Nullspace?
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Graduate How can a vector be multiplied by itself ?
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Graduate Discover the Transcendental Nature of E+pi at AMS Meetings
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Graduate Prove an Infinite Series is Irrational
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Graduate Permutation Group: Understanding Elementary Permutations
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Graduate Derivative of determinant wrt matrix
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Graduate Why is the Integer Group Z Considered Cyclic?
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Undergrad Square a Vector: Magnitude x Vector
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Graduate Quotient Ring of a Polynomial Ring
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Undergrad Usefulness of Basis for a Vector Space, General?
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Undergrad Vectors, Matrices and Determinants. Oh my.
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Graduate Mobius transformation (isomorphism)
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Graduate Solution to a linear equation of matrices
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Undergrad Column Space Basis: Why Does Row Reduction Work?
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Graduate Suppose I get the eigenvalues of A, which are
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Undergrad Proof for cross product (please)
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Undergrad Evaluating Continued Fraction: \langle 1, 2, 1, 2, \ldots \rangle
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Graduate Nonlinear Least Squares Minimization
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High School Sequence what is the formula? 2 0 2 0 3 3 2 4
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Undergrad I writing a mathematica function.
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Graduate What are the Properties of (0,1)-Matrices with Constant Row Sum 3?
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High School Proving the Positivity of Negative Times Negative: An Algebraic Approach
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Graduate Optimizing Matrix Inversions: Tips for Faster Calculations
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Undergrad Sum of Numbers with distinct digiits?
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Graduate Proving Completeness Relations in Orthonormal Bases | Quantum Mechanics
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Graduate Is There a Rational Point Not Equidistant from Any Two Lattice Points?
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Graduate Showing two matrices are not unitarily similar
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Undergrad Order of Eigenvectors in Diagonalization
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Graduate Finding an Orthogonal Polynomial to x^2-1/2 on L2[0,1]
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Graduate Modulus Predictions for Binomial Expansion Coefficients?
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Graduate Spectral Radius Inequality for Matrix Products
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Graduate Natural isomorphisms between dual spaces
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Undergrad Find P2 on Plane Given P1 & Dist. 3 Units
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High School Writing numbers in statistical way?
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Graduate Does Every Field Have a Subfield Isomorphic to Q or Z mod p?
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Listen to Ethereal Primal Music of Pi
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Graduate Adjoint Functors: Explaining What They ARE
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Graduate Infinite Semi-Pronic Prime Series Appears to Converge
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Undergrad Difference between Inner Product and Dot Product
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Graduate I am trying to relate eigenvalues with singular values. In particular,
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Undergrad Perfect Numbers and their reciprocals.
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Graduate Prime & Maximal Ideals of $\mathbb Z_7$ & $\mathbb Z_3 \times \mathbb Z_5$
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Graduate How are multiplication tables for fields created?
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Undergrad What does a three-dimensional matrix look like?
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Undergrad Could somebody help motivate linear algebra for me?
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Graduate Cholesky for complex *symmetric*
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Undergrad Help Interpeting Mathematica Result
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Graduate Totient function and distinct primes.
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High School The Mysterious Nature of Prime Numbers in Science
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Graduate Finding symmetries both geometrically and analytically. PLEASE HELP
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Graduate Is a Direct Sum of Rings Composed of Elements from Each Original Ring?
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Undergrad General rule for a confusing series
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Graduate Does a Perfect Square Lie Within these 10 Integers?
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High School Solve Line Intersection Word Problem: Car A vs Car B
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Undergrad Resolving line tension using vectors
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Graduate Conjectures by Legendre and Brocard made stronger.
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Undergrad How Can I Linearize the Complex Function z = (2+i)/(i(-3+4i))?
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Graduate Can I Find an Expression Relating x to x1 and x2 while Decomposing Operator A?
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Graduate The Commutator in Group Theory vs QM
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Undergrad Diagonalizability and Invertibility
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Undergrad Understanding Change of Basis in Vector Spaces
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Graduate How can I prove the inverse of a unitary matrix is unitary?
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Graduate Facinating experiment with primes and resulting theory
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Graduate Multiplication of a rotated vector entries
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Graduate Listing symmetries geometrically and analytically, what do I do?
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Undergrad How to solve the equations with modulo m
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Graduate Trouble Understanding The Order of A Group Element
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High School What is the approximate number of primes between 1 and a given limit?
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Graduate Prove Prime Ideal Problem: I/J ⊆ P
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Undergrad Introduction to Abstract Algebra
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Undergrad Inverse best fit slope expected vs calculated
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Undergrad Diagonalization of Specif Matrix
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Undergrad N equals the cube of the sum of its digits
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Graduate Equation of a Surface relative to a basis
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Graduate What Determines Equality of Principal Ideals in an Integral Domain?
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