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 Introductory Calculus or Basic Linear Algebra
- Porifera77
- · Replies 1 ·
Graduate Exploring the Wedge Product & its Role in Vectors & Orthogonality
- sponsoredwalk
- · Replies 10 ·
Graduate How to find jordan form given rank?
- chuy52506
- · Replies 1 ·
Undergrad Solving a Matrix Problem with Trigonometric Functions
- mathsTKK
- · Replies 4 ·
High School Is Mary Part of the Problem or Solution?
- ejnorman
- · Replies 1 ·
Undergrad Measuring Sequence Similarity with Absolute Differences
- onako
- · Replies 1 ·
Undergrad Multidimensional cross product vector
- Olaf
- · Replies 5 ·
Graduate Constructing a 2D Matrix for Solving Equations with Multiple Unknowns
- Hypatio
- · Replies 5 ·
Undergrad No problem, glad I could help! Keep up the good work in your studies.
- Jbjeens
- · Replies 2 ·
Graduate Proof of R Transpose and Inverse Equals Identity Matrix
- GuitaristOfRa
- · Replies 1 ·
Graduate How can the recurrence relations for Eisenstein series G_k(z) be proven?
- MathematicalPhysicist
- · Replies 3 ·
Graduate Proof of the Cauchy Shwarz inequality
- fa2209
- · Replies 6 ·
Graduate Ideal/Submodule Query - Proving R is Principal Ideal Domain
- Ad123q
- · Replies 1 ·
Graduate Discover the Cute and Simple Formula for Pi Derived from the Dirchlet Function
- Goongyae
- · Replies 6 ·
Graduate Riemann hypothesis and number theory
- l-1j-cho
- · Replies 3 ·
Graduate Understanding the Relationship Between Lie Algebras and Lie Groups
- Lapidus
- · Replies 2 ·
Undergrad Finding a smaller subset within a set
- KongMD
- · Replies 5 ·
Graduate Eigenvalues of sum of a Hermitian matrix and a diagonal matrix
- peterlam
- · Replies 1 ·
Graduate Find a basis for the space of 2x2 symmetric matrices
- ryanclarkeatm
- · Replies 2 ·
High School Inverse of b mod n: Find, Steps, Examples
- LordCalculus
- · Replies 1 ·
Undergrad Solving Pell's Equation: I'm Stuck!
- wii
- · Replies 4 ·
Graduate Can Fractals Predict Prime Positions Through Partition Numbers?
- Raphie
- · Replies 5 ·
Graduate Right handed frames and Orientation
- Buri
- · Replies 12 ·
Graduate Is the Tensor Product Associative?
- huyichen
- · Replies 2 ·
Graduate Fundamental theorem of Orthogonality
- Hymne
- · Replies 2 ·
Undergrad So, do negative prime numbers exist?
- NikitaUtiu
- · Replies 2 ·
Undergrad I don't get Eigenvalues or Eigenvectors
- Alex6200
- · Replies 29 ·
Undergrad How Can You Roll a 13 Using 2 Dice?
- dkotschessaa
- · Replies 9 ·
Undergrad Efficient Fortran Subroutines for Matrix Diagonalisation: Small Matrices
- Morberticus
- · Replies 2 ·
Undergrad Good luck!Proving the Relationship between Fibonacci and Lucas Series
- Suk-Sci
- · Replies 2 ·
Graduate What Are the Key Concepts in Understanding Genus 2 Hyperelliptic Curves?
- Kenji Liew
- · Replies 2 ·
Graduate Proving the Sum of Hermitian Matrices is Hermitian
- chuy52506
- · Replies 1 ·
Graduate Is the Conjugate of a Polynomial the Same as Its Conjugate Field?
- chuy52506
- · Replies 6 ·
Graduate Is an un-spannable vector space automatically considered infinite dimensional?
- alemsalem
- · Replies 10 ·
Graduate What Is the P-adic Volume of the P-adic Circle x² + y² = 1?
- LordCalculus
- · Replies 3 ·
Graduate Proof of an identity in determinants
- zorro
- · Replies 7 ·
Graduate A Surjective Function for All [R]
- Atran
- · Replies 11 ·
Graduate Hadamard product to Matrix product transformation
- Xadan
- · Replies 3 ·
Graduate Is every element in F algebraic over Q?
- symbol0
- · Replies 17 ·
Graduate |G|=4. Prove the group is either cyclic or g^2=e
- mathmajor2013
- · Replies 7 ·
Graduate Is There a Connection Between Ken Ono and Factoring?
- epsi00
- · Replies 6 ·
Graduate What do French, German, and Russian texts call the Cauchy-Schwarz inequality?
- Fredrik
- · Replies 4 ·
Undergrad How to scale an input number range ?
- NikNok
- · Replies 2 ·
Graduate |G|=p^k. Prove G has an element of order p.
- mathmajor2013
- · Replies 5 ·
Graduate Show K⊂R⊂F Fields: Algebraic Over K => R is a Field
- symbol0
- · Replies 5 ·
Graduate Number Theory Puzzler: Proving N-S is a Multiple of 9
- sizzlaw
- · Replies 3 ·
Undergrad Proving the Number of Digits in a Number Formula: A Scientific Exploration
- Buri
- · Replies 5 ·
Undergrad The units of a cartesian product?
- chuy52506
- · Replies 5 ·
Graduate Prove that G is a linear vector space
- rillchritty
- · Replies 6 ·
Graduate Is f(x) Idempotent for Any Matrix B in M2(R)?
- DanielThrice
- · Replies 3 ·
Graduate What is the significance of k being a multiple of 2 or 3?
- dodo
- · Replies 1 ·
Undergrad Is sqrt(5) Rational? Understanding the Proof by Contradiction
- Klion
- · Replies 60 ·
Graduate Diffrence between U(1) and Spin(1)?
- Hymne
- · Replies 3 ·
Graduate Is this statement about the rank of a linear map true or false?
- maximus101
- · Replies 9 ·
Undergrad Matrix inverse equals power-series
- Mårten
- · Replies 18 ·
Graduate How do you prove that the operations on cosets in rings are well-defined?
- DanielThrice
- · Replies 2 ·
Graduate Relating Two Notions of Tensor Product
- Newtime
- · Replies 1 ·
Undergrad Change of Basis + Geometric, Algebraic Multiplicities
- psholtz
- · Replies 1 ·
Graduate Harmonic series, slowest diverging series?
- soothsayer
- · Replies 4 ·
Undergrad Is matrixs multiplication random ?
- ManishR
- · Replies 4 ·
Graduate Logical Systems+new Principles+attempt To Solve Collatz Conjecture
- husseinshimal
- · Replies 5 ·
Graduate Tensor Rank of 2X2 Matrix: Is It Always 2?
- siyacar
- · Replies 2 ·
Undergrad Expected Value and covariance of matrix
- tommyhakinen
- · Replies 3 ·
Graduate What is the definition of affine n-space in algebraic geometry?
- Bleys
- · Replies 6 ·
Graduate How Do I Prove Ring Properties and Understand Their Structures?
- DanielThrice
- · Replies 2 ·
Graduate Why Define Inner Products for Complex Vector Spaces Using Complex Conjugation?
- qbslug
- · Replies 4 ·
Graduate Euler's number e and Jacob Bernoulli's expression
- JeremyEbert
- · Replies 2 ·
Graduate What Are All the Homomorphisms from Z to Z?
- redrzewski
- · Replies 9 ·
Undergrad Proof of Idempotent Matrix with Inverse = Identity Matrix
- keelejody
- · Replies 2 ·
Graduate Is it possible to generalize it?
- sukyung
- · Replies 1 ·
Graduate HELP Mathematical notation needed for a prime mod 12 pattern
- JeremyEbert
- · Replies 15 ·
Undergrad Why Do Physics & Engineering Tools Form Groups?
- mcodesmart
- · Replies 5 ·
Graduate How can I find the optimal vector x for a constrained optimization problem?
- dilbert2011
- · Replies 4 ·
Graduate Simplifying Square Roots: Unraveling the Mystery of the Square Root Function
- JeremyEbert
- · Replies 15 ·
Graduate Derivative (mimization) of matrix trace
- onako
- · Replies 5 ·
Graduate Finding coefficients using dual basis
- Supreme_BiH
- · Replies 2 ·
Graduate Motivating Matrix Addition/Multiplication Without Appealing to Linear Maps
- Bacle
- · Replies 3 ·
Undergrad How to prove (p-1) = -1 (mod p), p is a prime.
- lifom
- · Replies 2 ·
Undergrad The largest number not in the form of ax+by, with gdc(a,b)=1.
- lifom
- · Replies 13 ·
Graduate Can a Vector Space Over Field F Contain Entries from Other Fields?
- zcd
- · Replies 10 ·
Graduate The geometric mutiplicity of a matrix
- chuy52506
- · Replies 2 ·
Graduate Complex conjugation and vector space duality
- batboio
- · Replies 14 ·
Graduate Is an Ideal Always a Linear Space?
- psholtz
- · Replies 2 ·
Graduate What is the intersection of nullspaces of S1, S2, and S3?
- mathomatt
- · Replies 2 ·
Undergrad Square matrix with no eigenvectors?
- psholtz
- · Replies 17 ·
Graduate To PI or not to PI challenge. Stern-Brocot
- arithmetic
- · Replies 28 ·
Graduate Why is Supremum of a.u Less Than or Equal to r||a||_2?
- peterlam
- · Replies 3 ·
Graduate Green's Relations and Their Congruences
- brydustin
- · Replies 1 ·
Graduate Vector Space of Functions & Matrices: Notation Explained
- sponsoredwalk
- · Replies 11 ·
Undergrad 2*T_x + 1 is Triangular & 3*T_x + 1 is also Triangular
- Raphie
- · Replies 4 ·
Graduate Prove that any two elements of order 3 in GL(2,Z) are conjugates.
- neham
- · Replies 2 ·
Graduate How can you determine if a composite extension is purely inseparable?
- kavoukoff1
- · Replies 2 ·
Undergrad How to count the total # of non-invertible 2x2 matrices
- xsw001
- · Replies 7 ·
Undergrad (Not a Proof of) Goldbach's Conjecture
- middleCmusic
- · Replies 6 ·
Undergrad Is Determinant Multiplication Commutative and What Does |AB|=|BA| Imply?
- phymatter
- · Replies 3 ·
Graduate Similarity transformation to the transpose
- Leo321
- · Replies 8 ·
Graduate Breaking RSA if you know m^k = 1 mod n
- nudan
- · Replies 2 ·
Graduate Collatz Conjecture Paper: Check it Out & Give Opinion
- phyti
- · Replies 9 ·
Graduate Why is it possible for 1 to equal 0 in a trivial ring?
- tc_11
- · Replies 11 ·
Graduate Understanding TM* (tensorproduct) TM*: Let's Break it Down!
- Gavroy
- · Replies 2 ·