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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 A non-trivial infinity of zeroes with real part one-half
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Undergrad A matrix is diagonalizable when algebraic and geometric multiplicities are equal
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Undergrad How Can I Solve This Unique Weight Balancing Problem Using Balanced Ternary?
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Graduate Conjugate Homogeneity for Self-Adjoint Operators: Proof and Explanation
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Graduate Is the sequence finite for different values of u in the logarithmic series?
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Graduate Understanding and Expanding the 2nd Chebyshev Function: Calculation Help
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Graduate Is Legendre's Conjecture on Primes Between n² and (n+1)² Fully Resolved?
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Undergrad A matrix is diagonalizable when algebraic and geometric multiplicities are equal
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Undergrad Is a Matrix Symmetric if Row Space Equals Column Space?
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Graduate Unimodular Matrices: Geometric Interpretation
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High School How Can x*0=0 Be Proven Without Using m(-1)=-m?
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Graduate Question about Gram-Schmidt orthogonalization
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Graduate Basis for the set of all cts fns?
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Undergrad Understanding Pressure Equations in Linear and Abstract Algebra
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Graduate Constructing an irreducible polynomial in Z_{p^(m+1)}
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High School Revisiting Algebra Basics: 4ax + 2ay = 2a(2x + y)
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Undergrad Operation exists that is valid for a group limited to the natural
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Graduate Index Conventions in Linear Algebra & Apps: David Griffel
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Graduate Adjoint transformation (inverse)
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Graduate What are the two definitions of gamma function and how are they related?
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Graduate Are Eigenvalues of a Non-Hermitian Matrix Real?
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Graduate Can the Gamma Function Summation Be Simplified for 0<Re(s)<1?
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Undergrad Proving Subspace of a Matrix in R2
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Graduate Proof Question: Invariance of U and U⊥ under T and T∗ for V subspace"
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Undergrad What is the significance of zero in mathematics and philosophy?
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High School Are half of all natural numbers even?
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High School Point or Vector? What's the difference?
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High School Fastest way you have found to multiply two numbers in your head?
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Graduate Vandermonde Matrix, Polynomial Interpolation & Orthogonal Basis
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Graduate Another question about projections.
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Undergrad How could I change an equation to look the same as it did with inverted axes?
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Graduate X,Y and Z operators of some algebra
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Undergrad Is the Solution Set of Ax=b a Subspace of R^n?
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Graduate Can Recursive Flip-Trees Be Defined More Elegantly?
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Graduate What Are the Properties of an Endomorphism f That Satisfies x*f(x)=k?
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Graduate Subgroup wth morphism into itself
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Undergrad Matrix, in which there is a column of 0's or a row of 0's
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Graduate Sequel for my proof for Riemann's hypothesis
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Graduate Accurate Proof and varification for Riemann Hypothesis
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Graduate Einstein Notation: Xj to Xi Transformation Equations
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Graduate Convolution Inverse: Family of Functions Explained
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Graduate Why Does This Polylogarithm Identity Have No Restrictions?
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Graduate Question about orthogonal projections.
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Graduate Incomplete gamma function question
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Graduate Ax + b Least Squares Minimization Standard Form
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Graduate (sub)semigroup with an endomorphism
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Undergrad Linear Dependence/Independence
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Graduate What is the formula for this curve?
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Graduate Eigenvalues and Eigenvectors uniquely define a matrix
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Graduate Semigroup partitions and Identity element
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Graduate Equal Coefficients Polynomials
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Graduate Common roots of multivariate polynomials
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Graduate What are the practical applications and uses of Lie Algebras?
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Graduate Russian Dolls Matryoshka Approach to Riemann Hypothesis
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Undergrad Are you able to solve this Simple Matrix Challenge?
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Graduate Very clever and difficult number theory puzzle (with generalization)
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Graduate About the linear dependence of linear operators
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Graduate 3 questions about matrix lie groups
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High School Factorizing 2ab - 4ac + bd - 2de | Help Appreciated
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Graduate Are Eigenfunctions of a Hamiltonian on a lattice always Bloch functions?
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Graduate Zeta function and summation convergence
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Undergrad Is there a way to show that sqrt(2)+sqrt(3)+sqrt(5) is algebraic over Q?
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Graduate What is the Definition of a Trace and Can it Prove the Riemann Hypothesis?
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High School Proof that (-a)(-b)=ab: Is It Logical?
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Graduate Condition on minors to be Positive Semidefinite (PSD)
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High School Is a*b equal to LCM(a,b)*HCF(a,b)? Help me understand the proof.
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Undergrad Is it possable for Cramer's rule to fail?
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Undergrad Checking commutativity property with addition table
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Graduate About the invariance of similar linear operators and their minimal polynomial
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Graduate What is the name for f(ab)=f(b)f(a)?
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Undergrad M^5v given that M = [3 2 4 2 0 2 4 2 3]
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Graduate Spectral interpretation of Primes
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Undergrad Understanding Inner Products in Linear Algebra
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Undergrad Online Textbooks on Linear Algebra and Calculus
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Undergrad Is set of points (p,q) countable?
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Graduate Proving R is a Field: Finitely Generated R-Modules
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Graduate Can Induction Prove the Laws of Exponents for a Group?
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Graduate Longest repeated sequence in the prime counting function
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Graduate The (i,j) component of a Kronecker product?
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Undergrad Inverse of Upper Triangular Matrix
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High School Methods for solving simultaneous equations
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Graduate Can You Reformulate a Riccati Equation for Standard Solver Compatibility?
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Graduate The Riemann Hypothesis for High School Students
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Graduate Understanding the Minimal Polynomial: Clarifying Confusion on p(T)(v)
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Undergrad Eigenvalues and Eigenvectors of 3x3 matricies
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Undergrad Is Non-Singular the Same as Isomorphic in Linear Algebra?
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Graduate Riemann proof effect on factoring composites
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Undergrad Geometric intepretation of matrices
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Graduate Plane lattice proof of Leibniz series
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Undergrad What could be the possible algorithm for generating these lines of numbers?
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Graduate Proof for non constant polynomial function
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Undergrad Describe all n such that 3 devides n2^n+1
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Graduate Functions and infinite dimensional vectors
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Graduate Prove 5 is not a member of the sequence
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Undergrad Conjecture on primes (not mine=)
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Undergrad Calculating Coordinates on a Sphere Using Trigonometry
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High School Point on Vector - Learn Maths Basics
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Graduate Collinear vectors over finite fields
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Undergrad Is \sqrt{2}+\sqrt{5} an Algebraic Number?
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Undergrad Are Vectors Always Positive in a 1-Dimensional System?
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