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.
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Undergrad Plotting Pythagorean triples in a polar form
- tdswenson
- · Replies 1 ·
Graduate Surds as a vector space, but really an analysis question I think
- Office_Shredder
- · Replies 1 ·
Graduate Edouard Lucas. Théorie des Nombres. Help with his unpublished Second Volume
- arithmetic
- · Replies 2 ·
Graduate Jordan Normal Form & Wronskian Derivative
- Master J
- · Replies 2 ·
Undergrad Solution space to homogenous equations.
- CalculusSandwich
- · Replies 2 ·
Undergrad How to Find the General Solution for a Matrix with a Free Variable?
- Ad123q
- · Replies 6 ·
Undergrad Simple intuitive/graphical interpretation of the Gauss-Seidel method
- O.J.
- · Replies 8 ·
Graduate Vector Space, dimensions and kernal rank
- zcomputer5
- · Replies 4 ·
Graduate Eigenvectors of commuting matrices
- acarchau
- · Replies 5 ·
Graduate Group Action on Set S: The Induced Homomorphism from g \in S_{5}
- Symmetryholic
- · Replies 1 ·
Graduate Theorem concerning free abelian groups
- LHS1
- · Replies 4 ·
Graduate Module action sends zero to zero?
- geor
- · Replies 2 ·
Undergrad Can You Decrypt This Encrypted Text Using a Numerical Technique?
- Baroudeh
- · Replies 39 ·
Graduate Number of invertible/non-singular matrices over a finite field
- andreitta
- · Replies 2 ·
Graduate Isomorphism beetwenn vector space and sub space
- Herbststurm
- · Replies 4 ·
Graduate Stronger Goldbach-related conjecture
- rokirovka
- · Replies 2 ·
Graduate Triangular Form for Linear Transformations: Finding Basis for Null Spaces
- Ioiô
- · Replies 3 ·
Undergrad Why Did People Accept Imaginary Numbers Before Negative Numbers?
- thejinx0r
- · Replies 4 ·
Graduate Very very quick quiestion about D_4?
- sutupidmath
- · Replies 8 ·
Graduate How Many Quadratic Forms Exist on Fp^n for an Odd Prime p?
- alvielwj
- · Replies 2 ·
Graduate Is There a More Efficient Way to Prove a Homomorphism in Z_10->Z_10?
- sutupidmath
- · Replies 3 ·
Graduate Knot Invariants and Related Topics - Tips for Learning
- stanford1463
- · Replies 2 ·
Graduate Prove quotient ring of PID is PID too
- geor
- · Replies 5 ·
Graduate Primitive Matrix: Is M^k Positive?
- bob j
- · Replies 1 ·
Undergrad Linear programming and the two phase method
- catcherintherye
- · Replies 2 ·
Undergrad Discovering the Image of a Linear Map: Methods and Examples
- Marin
- · Replies 5 ·
Graduate Solubility of the General Linear Group
- herbert_454
- · Replies 2 ·
High School Does .999~=1? A Beginner's Perspective
- raven1
- · Replies 57 ·
Graduate Approximate finding nearest neighbor vectors
- feynomite
- · Replies 2 ·
Graduate Any implications of this diagonal element inequality?
- winterfors
- · Replies 3 ·
Undergrad Can You Find a Matrix Where Column Space Equals Null Space?
- iNagib
- · Replies 2 ·
Undergrad Prime Numbers in Cryptography: Uses & Benefits
- hadi amiri 4
- · Replies 3 ·
Graduate Mapping ( linear transformation)
- reha
- · Replies 9 ·
Graduate Proving the Converse: Finite Field with Cyclic Group of Units
- adriank
- · Replies 2 ·
Graduate Proving Inequalities Involving Vector Space Dimensions
- Marin
- · Replies 3 ·
Graduate What Does Closed Mean in the Context of Lie Subgroups?
- malawi_glenn
- · Replies 26 ·
Graduate Order of groups in relation to the First Isomorphism Theorem.
- sairalouise
- · Replies 2 ·
Graduate Proving the Properties of Pseudo Inverse and Transpose
- ahamdiheme
- · Replies 2 ·
Graduate Generator of the additive gr. Z_m
- sutupidmath
- · Replies 2 ·
Graduate Please explain the different morphisms to me
- Diffy
- · Replies 4 ·
Graduate Generalized Cartan Matrix and Non-Semisimple Lie Algebras
- bartadam
- · Replies 1 ·
Graduate Can singular value decomposition be used for complex matrices?
- Cyrus
- · Replies 1 ·
Graduate Isomorphisms between cyclic groups
- sutupidmath
- · Replies 4 ·
Graduate Proving the Relationship Between Perfect Numbers and Harmonic Mean
- AlexHall
- · Replies 3 ·
Undergrad Solving Linear Congruence: 12x \equiv 1(mod5)
- Ed Aboud
- · Replies 3 ·
Graduate Abstract Algebra Struggles: Navigating Levi and Malcev Theorems
- littleHilbert
- · Replies 1 ·
Graduate Any finite group has an even number of elements
- mathpr
- · Replies 1 ·
Graduate How Do Continuous Linear Representations of S^1 Function in Hilbert Spaces?
- HMY
- · Replies 1 ·
Graduate Find Product Identity with ABCD & Triangular Variables
- ramsey2879
- · Replies 7 ·
Graduate Can you find the least-squares solution and projection of this matrix equation?
- mivanova
- · Replies 1 ·
Undergrad Precise definition of linear combination
- redjoker
- · Replies 2 ·
Graduate Can You Identify 10 Non-Isomorphic Groups with Orders 25-29?
- herbert_454
- · Replies 4 ·
Undergrad Find Quadratic Numbers in Z3 - Marin's Help Request
- Marin
- · Replies 2 ·
Graduate Matrix Identify involving Diagonal Matrix
- hotvette
- · Replies 2 ·
Undergrad Asking for Linear programming problems
- marazmatika
- · Replies 3 ·
Undergrad Vacuous truth in regards to vector spaces
- JG89
- · Replies 15 ·
Graduate Is every Toeplitz matrix invertible?
- maverick280857
- · Replies 2 ·
Graduate What are the best resources for understanding Jordan Canonical Form proofs?
- joecoz88
- · Replies 3 ·
Undergrad Why Are Half of the Permutations in Sn Even and the Other Half Odd?
- tgt
- · Replies 2 ·
Graduate What is the Wedge Product in Theoretical Physics?
- Marin
- · Replies 5 ·
Undergrad Find Eigen Values: Solve Char. Equation |A-#I| = 0 of Degree 3
- zeroxff0000ff
- · Replies 5 ·
Graduate Have you encountered this famous matrix before?
- cosmicsol
- · Replies 2 ·
Graduate Is Every Prime > 3 a Sum of a Prime and a Power of Two?
- al-mahed
- · Replies 93 ·
Undergrad How Many Ways Can a Natural Number M Be Expressed as a Sum of N Whole Numbers?
- quantumfireball
- · Replies 2 ·
Undergrad Scalar triple product, volume, and ordering
- Damascus Road
- · Replies 7 ·
Undergrad Equation of a plane (General and Point-Normal Form)
- Damascus Road
- · Replies 19 ·
Graduate Prime Number Theorem: Proving Equivalence of $P(x)$ and $Li(x)$
- peteryellow
- · Replies 6 ·
Graduate Divisibility and Congruence problem
- VeeEight
- · Replies 3 ·
Undergrad Are there any other twin primes with this property?
- nikolany
- · Replies 2 ·
Graduate Determining Normal Subgroups in S(3) - A Mathematical Puzzle
- Marin
- · Replies 8 ·
High School Solve Equation Problem: 5x+6y=40 - Help & Hints
- Marin
- · Replies 17 ·
Graduate Solving vv^T = M: Solve Unknown Vector & Matrix Equation
- daviddoria
- · Replies 7 ·
Undergrad When to us dot versus cross product
- Schmigan
- · Replies 2 ·
High School Are two vectors with opposite angles parallel to each other?
- devanlevin
- · Replies 6 ·
Undergrad What Does the Mathematical Operation f:S --> R Mean?
- mace2
- · Replies 5 ·
High School Understanding Matrix Transpose and Examples | Learn about Matrix Transpose
- FrankJ777
- · Replies 1 ·
Graduate How Can I Simplify This Linear Algebra Expression for Differentiation?
- GeoffO
- · Replies 15 ·
Graduate How to Simplify the Term for a Group Exercise?
- Herbststurm
- · Replies 2 ·
Undergrad Is integration of polynomial a bilinear for
- jut24
- · Replies 4 ·
Graduate Computing Quotient Space: Practical Example with Vector Spaces and Subspaces
- jamjar
- · Replies 2 ·
Undergrad Which algebraic rules altered for complex numbers?
- Gerenuk
- · Replies 5 ·
Graduate Exponential sums and congruences
- mhill
- · Replies 5 ·
Graduate How Does the Infinite Sum of 1/j! Equal e?
- soandos
- · Replies 12 ·
Undergrad Distance between point-plane & plane-plane
- Damascus Road
- · Replies 6 ·
Graduate Number Theory: Wilson's Theorem
- mathsss2
- · Replies 3 ·
Graduate Order of an element in relation to the centre.
- sairalouise
- · Replies 5 ·
Undergrad Adjacent Transpositions of Permutations.
- Ad123q
- · Replies 6 ·
Graduate What is the most beautiful definition you've encountered?
- tgt
- · Replies 42 ·
Undergrad What is the algorithm for generating numbers based on a given input?
- falco2942
- · Replies 2 ·
Undergrad What prerequisites are needed for studying linear algebra?
- lax1113
- · Replies 3 ·
Graduate Orders of products of group elements.
- sairalouise
- · Replies 4 ·
Graduate Is There a Way to Regularize Euler Products on Primes?
- mhill
- · Replies 1 ·
Undergrad Number Theory Advice: Struggling with Proofs in Course
- only_huce
- · Replies 4 ·
Undergrad Where is the flaw in this proof?
- GofG
- · Replies 13 ·
Graduate How can we parametrize a surface with an angle and radius?
- Marin
- · Replies 3 ·
Graduate Prove: X Contains at Most n(n-1)/2 Elements in Subset of a Group
- the_fox
- · Replies 3 ·
Graduate Determining whether homomorphism or not
- tgt
- · Replies 2 ·
Graduate Proving Normalcy of H in Finite Group G
- joecoz88
- · Replies 2 ·
Undergrad Vector Subspace or Linear Manifold.
- matheinste
- · Replies 13 ·
Undergrad Recommend a good Linear algebra text.
- Disowned
- · Replies 1 ·