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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 formula related to multiplicative order
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Graduate Counting Integer Solutions to Curves of the Form x^n-c-ky=0
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Undergrad Proving A = rref(B) with a Matrix S
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Graduate Calculating Total Zeros in a Large Factorial: Number Theory Explained
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Graduate Show Primitive Roots Cannot be Perfect Cubes Modulo Prime p
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Graduate Solving Hard Matrix Prob: A+kB Invertible w/ Integer Entries
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Graduate Factoring Polynomials in Z_p: Finding Degree 'd
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Graduate Is the Zero Vector Implicit in Vector Subspaces or Must It Be Defined?
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Graduate What is the proof of the proposition for non-abelian group of order 27?
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Graduate Degree of Extension: n Primes to Q
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Graduate Can a Sequence of 1's and 0's Be a Multiple of Any Integer?
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Undergrad What is the equation to predict the next numbers?
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Undergrad Finding determinant of Vandermonde matrix
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Graduate Does this expression make sense.
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Graduate Solving a System of Congruences with A Changing Modulus
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Undergrad Is There a Quick Formula for Calculating Perfect Numbers?
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Undergrad Can Non-Homogeneous Linear Systems Have Multiple Solutions?
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Undergrad Proving Theorem: Column Space of Matrix A is a Subspace of R^m
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Undergrad Are the kernel and image the same for a matrix and its reduced row echelon form?
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Undergrad How to determine if a 3x3 matrix is diagonalisable or not?
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Undergrad What Are Congruent Modulos?
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Graduate Can a geometric vector become a covector when referred to a dual basis?
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Graduate Why Is the Trace of a Linear Operator Well-Defined?
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Graduate What is the Ring Generated by R-Linear Combinations of These Matrices?
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Undergrad What is Direct Sum? - A Definition Explained
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Undergrad Orthogonal Matrices: Rotation & Reflection
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Graduate Eigenvalues for a matrix with equal and opposite diagonal entries?
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Undergrad Does the Union Notation in Abstract Algebra Allow for Multiple Matches for x?
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Graduate Infinite-dimensional matrix multiplication
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Graduate Prove both sufficiency and necessity
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Graduate Is an Explicit Formula for Beilinson's Regulator Map Feasible?
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Graduate Is this the end of the Riemann Hypothesis?
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Graduate Continued fractions for (ir)rationals
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High School What is the meaning of Dot Product
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Undergrad I am looking to find some lecture notes on upper division linear algebra
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Graduate Riemann Zeros and Harmonic Frequencies
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Undergrad Understanding the Algebraic Mistake in y = x^x Function for x < 0
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Graduate Did Ramanujan's Mysterious PI Formula Have a Mathematical Explanation?
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Graduate Square root of a rotation matrix
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Undergrad Struggling with Linear Transformation Part Two?
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Graduate Prove that an integer with digits '1' is not a perfect square.
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Undergrad M+k=n: Examining Linear Equations Relationships
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Undergrad Don't understand this simple vector space problem
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Graduate How Do Symmetrical Base n and Base m Decimals Relate?
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Graduate What is the field with one element ?
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Undergrad Parametric equations for a helical pipe
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Graduate Understanding Ring Relationships and the Frobenius Automorphism
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Graduate What is the relationship between the exterior and cross products?
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Graduate Understanding Algebraic K-theory through Quillen's Plus Construction
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Graduate Calculate Rotational Body Rate for Vector Motion | Vector A & B
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Undergrad How Does Infinity Manifest in Algebraic Concepts and Applications?
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Undergrad Solving differential equations through matrix
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Undergrad Finding Equation for Two Dataset Relationships
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Graduate Butis really so easy? (Möbius inversion)
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Graduate Multiplication of primitive roots
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Undergrad Can All Eigenvectors of a Matrix Be Zero Vectors?
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Graduate Computing rank of a matrix over a finite field
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Graduate Module Problem: Existence and Sub-Module of N
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Undergrad Calculating Pi with Polygons: Is Converting to Degrees a Valid Method?
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Graduate Subvarieties in algebraic geometry
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Undergrad A question that should use pigeon hole principle.
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Undergrad Is R={(x,y,z,w) belongs to R^4; x+y+sz-w=s^2-2s} a subspace of R^4?
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Graduate Solving (p-1)(p^n+1)=4m(m+1) for odd primes p and positive integers m and n
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Graduate Finding Jordan Basis and Form for a Matrix with Zero Eigen Value
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Graduate How can the normality of a subgroup be proven when the group has a finite index?
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Graduate Generalized jordan curve theorem
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Graduate Riemann Zeta Function Zeros: Spacing and Convergence
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Graduate Find Number of Generators in Z_(p^r)
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Undergrad Vector Equation: Can I Divide Vectors?
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Graduate Sylow Theorem Part 2: Find Order of Subgroup PQ
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Undergrad Is x^22 - 3x^11 + 2 Irreducible?
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Graduate Failure of the sylow counting argument
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Graduate Proving Equation (2a+b)×(c-a)+(b+c)×(a×b)=a×c
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Undergrad Help with definitions in linear algebra
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Graduate Im soooooo close to solving this problem (Rings)
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Graduate Proving the Subgroup Theorem for Nonempty Subsets of a Group
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Graduate Proof that sum of 3 roots of rationals is rational etc
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Graduate Unitary equivalence vs. similarity
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Graduate Why is the prime counting function seemingly contradictory?
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Undergrad What Is the Use of a Space Covering?
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Undergrad What Are the Key Differences in Symmetries of Triangles and Squares?
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Graduate Count & Describe Automorphisms of Z_3 (Set of Integers Modulo 3)
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High School Solve Algebra Equation: Y/Q = P + P/Q
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Graduate Erdos' Series & Prime Number Theorem Implications
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Graduate Sequence of ratios of primes and integers
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Graduate Trouble Understanding Geometric Algebra: Seeking Guidance
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Graduate Integrating n.curl F and n^grad(phi) on a Closed Surface
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Graduate How Can Steinitz Replacement Theory Convert Set B into Set A?
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Undergrad What determines whether or not a matrix is stable?
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Undergrad Prove that the list (x^3, sin(x), cos(x)) is linearly independent in V
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Undergrad Vector Spaces: A Comparison of Two Bases in V3(R)
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Graduate What Geometrical Objects Do Subspaces of V3(R) Represent?
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Graduate Proving asymptotics to sequences
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Undergrad Is the First Digit of a Sequence of Numbers Always Periodic? (without prefix)
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Graduate Understanding the Significance of pi_1 as the Sole Homotopic Functor
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Graduate Is the inner product a bilinear function in vector spaces?
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Graduate Can the Homotopy Extension Property be applied to all dimensions and spaces?
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Undergrad Vector Spaces, Dimension of Subspace
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Undergrad How to Calculate Permutation Powers with Functional Notation?
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Graduate Solving Polynomial Algebra in Z_3[x] Modulo 1+x^2
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