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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Graduate Linear operator decomposition
- maze
- · Replies 14 ·
High School What is the Hermitian Conjugate of 5+6i?
- yzou_ua
- · Replies 3 ·
Graduate Exploring the Light Cone in Big Bang Clock by Roger Penrose
- starkind
- · Replies 8 ·
Graduate Basis Vector Length: Unit Length & Mistakes to Avoid
- snoopies622
- · Replies 14 ·
Graduate Would Gauss still make his comment today?
- tgt
- · Replies 20 ·
Undergrad What exactly is a position vector?
- korters
- · Replies 1 ·
Graduate Resummation of the Harmonic series
- yasiru89
- · Replies 2 ·
Undergrad Calculating the Product of a Series
- Mentallic
- · Replies 14 ·
Graduate What is the true nature of linearity?
- FredericGos
- · Replies 3 ·
Graduate Homomorphism between commutative rings
- infinityQ
- · Replies 1 ·
Graduate Question about centralizer and normalizer
- loly2
- · Replies 1 ·
Undergrad How to Perform a Cross Product on Polar Coordinates?
- tekness
- · Replies 7 ·
Graduate Can I Modify Order to Get X=I Matrix?
- somebody2
- · Replies 1 ·
Undergrad Why is Linear Algebra Important and How is it Applied?
- thharrimw
- · Replies 4 ·
Graduate What Are Examples of Non-Abelian p-Groups?
- samkolb
- · Replies 2 ·
Graduate What is the connection between L and gcd(k,n) in cyclic subgroups?
- SticksandStones
- · Replies 5 ·
Undergrad Projection matrix onto a subspace
- cheertcc101
- · Replies 1 ·
Graduate Is the Interval [a,b] Sequentially Compact?
- math8
- · Replies 1 ·
Graduate Equivalence relation in complementary subspace
- guhan
- · Replies 8 ·
High School Is There a Simpler Method to Solve Similar Linear and Quadratic Systems?
- azure kitsune
- · Replies 1 ·
Undergrad Representing a dot product with Sums.
- Disowned
- · Replies 3 ·
Undergrad Representing Square Matrices with Constant and Identity Matrix - A Guide
- pjunky
- · Replies 9 ·
Undergrad How to Find \vec{b} in a Cross Product Problem?
- FrankJ777
- · Replies 3 ·
Graduate Cauchy-Bunyakovsky-Schwarz inequality
- phyguy321
- · Replies 5 ·
Graduate What Is the Size of GL_n(Z2)?
- Dragonfall
- · Replies 9 ·
Graduate What do you call this homomorphism?
- tgt
- · Replies 6 ·
Graduate Question regarding sylow subgroups
- geor
- · Replies 2 ·
Undergrad Questions about matrices and vectors:Why does the dot product of
- okkvlt
- · Replies 1 ·
Graduate Finding the Smallest Subgroup of A_4 Containing Two Given Even Permutations
- sutupidmath
- · Replies 6 ·
Undergrad Proof of Equilibrium Solution for Algebraic Equation
- Cyrus
- · Replies 6 ·
Undergrad Proof Vector Spaces: Unique Vector Satisfying "u + 0 = u
- soul
- · Replies 6 ·
Graduate Solving Polynimals in the ring mod p^r
- JasonRox
- · Replies 4 ·
Undergrad Put an augmented matrix into RREF format
- tthurman8
- · Replies 2 ·
Graduate Are a and b in G if ab is in G?
- daveyinaz
- · Replies 16 ·
Graduate Does the Exponential k Term Complicate Proving the Riemann Hypothesis?
- epkid08
- · Replies 1 ·
Graduate Solving Congruences and the Relationship between (p^{l-1}) and (p^{l})
- mhill
- · Replies 2 ·
Graduate Can a Non-Self-Adjoint Element Have a Real Spectrum?
- jostpuur
- · Replies 6 ·
Graduate Making a collection of sets as a group
- infinityQ
- · Replies 3 ·
Undergrad Linear Transformations: Find Eigenvalues & Eigenvectors
- mivanova
- · Replies 1 ·
Graduate Suppose T is a linear map and dim(Im(T))=k
- mivanova
- · Replies 1 ·
Undergrad Can the 'Determinant' be Reversed for 2-by-2 Matrices?
- scikidus
- · Replies 1 ·
Graduate What is Gilbreath's Conjecture and Who's Researching It?
- scikidus
- · Replies 1 ·
Undergrad How are divisibility tests derived?
- soandos
- · Replies 1 ·
Undergrad Need some advice for linear algebra
- scsig805
- · Replies 9 ·
Graduate Question about a Theorem in Gallian's Contemporary Abstract Algebra
- alligatorman
- · Replies 2 ·
Graduate What is the flaw with this proof?
- soandos
- · Replies 9 ·
Graduate Proving Non-Isomorphism: Subgroup and Dihedral Group of Equal Order
- physix123
- · Replies 2 ·
Graduate Understanding Homomorphisms: The Relationship Between A and B
- tgt
- · Replies 6 ·
Undergrad How can changing the value of m affect the percentage p?
- Astro
- · Replies 7 ·
Graduate How to Find the Subgroup of a Quotient Group with a Given Generator?
- physix123
- · Replies 1 ·
Undergrad Synthetic Division: Proving It Works
- soandos
- · Replies 2 ·
Undergrad Can a permutation with non-disjoint cycles still be used to find its order?
- physix123
- · Replies 1 ·
Graduate Understanding Group Representations in Group Theory
- jimmy.neutron
- · Replies 8 ·
Graduate Learn Lie Groups & Lie Algebras with John Baez
- koolmodee
- · Replies 3 ·
Graduate Linearly dependent set of vectors?
- sutupidmath
- · Replies 6 ·
Graduate Isomorphism of A, B ∩ C: Techniques
- tgt
- · Replies 1 ·
Graduate Why is a homomorphism the way it is?
- tgt
- · Replies 15 ·
Graduate Counting Subfields in F_p: Algebraic Result?
- Diffy
- · Replies 4 ·
Graduate Proving Matrix X rank Decomposition
- rhuelu
- · Replies 1 ·
Undergrad What is the purpose of the transpose?
- daviddoria
- · Replies 5 ·
Graduate RQ decomposition from QR decomposition
- daviddoria
- · Replies 1 ·
Graduate What makes the Riemann Hypothesis so difficult to prove?
- epkid08
- · Replies 17 ·
Graduate Proving that f(x) is Not Continuous for All Real Numbers c
- phyguy321
- · Replies 5 ·
Undergrad Modular Congruences of Integer Squares
- phyguy321
- · Replies 3 ·
Graduate Matrix Exponentials: A, Eigenvalues, Jordan Form, Fundamental Matrix T
- Somefantastik
- · Replies 7 ·
Undergrad Solving Diophantine Equations: Find Largest Number of Chicken Nuggets
- InsaneMind
- · Replies 1 ·
Undergrad Solve Tennis Score Puzzle: Use Modular Arithmetic
- phyguy321
- · Replies 1 ·
Graduate Prove Prime p^2+2 is Composite mod 3 #5
- phyguy321
- · Replies 3 ·
Graduate Difference between R-algebra and R-module (R is a commutative ring)
- infinityQ
- · Replies 5 ·
Undergrad Rotation of Vector in P: Why Divide by r?
- Soff
- · Replies 3 ·
Graduate Does AB=G Imply AB=BA in Group Theory?
- math8
- · Replies 8 ·
Graduate Number of distinct base
- infinityQ
- · Replies 3 ·
Graduate Vector space of the product of two matrices
- redjoker
- · Replies 2 ·
Undergrad Color theory:rgb to cmyk detailed mathematical description
- luxxio
- · Replies 4 ·
Graduate Real Numbers Vector Space: Countability of Basis
- leon8179
- · Replies 3 ·
Graduate Proof of Rational Root Theorem
- Paragon
- · Replies 6 ·
Undergrad Practical applications of number theory?
- only_huce
- · Replies 8 ·
Undergrad Is the Result of a Cross Product in R^3 a Vector in R^3?
- d_b
- · Replies 3 ·
Graduate Continued fractions and nested radicals
- soandos
- · Replies 5 ·
Graduate Determinant formula in monomials - can it be generalized?
- sal
- · Replies 3 ·
Graduate Counting cycles in a permutation
- samkolb
- · Replies 1 ·
High School How Can You Mentally Factor Numbers Without a Calculator?
- qntty
- · Replies 1 ·
Graduate Group can be determined by how elements multiply with each other
- tgt
- · Replies 4 ·
Graduate Can someone help me understand and evaluate the Riemann zeta function?
- epkid08
- · Replies 1 ·
Graduate Recursive formula for zeta function of positive even integers
- StatusX
- · Replies 8 ·
Finite Dimensional Vector Spaces - Paul R. Halmos
- x0104
- · Replies 8 ·
Graduate Isomorphic Groups: Same Info Studying 1 or Both
- tgt
- · Replies 3 ·
Undergrad Finding all vectors normal to a given set of vectors
- mds9668
- · Replies 6 ·
High School Find Inverse of 2x2 Matrix: Step-by-Step Guide
- hoffmann
- · Replies 3 ·
Graduate C10 Group, 10th roots unity with complex number multiplication
- basketweaving
- · Replies 1 ·
Graduate Three conjectures looking for a proof 100Euro reward
- T.Rex
- · Replies 9 ·
Graduate What is the intuition behind using eigenvectors of AA^T and A^T A in the SVD?
- daviddoria
- · Replies 1 ·
Graduate Efficient Computation of the Möbius Function
- CRGreathouse
- · Replies 3 ·
Graduate Why doesn't this presentation embed?
- tgt
- · Replies 5 ·
Graduate Connes Trace and Its Relation to Riemann Hypothesis: An Overview
- mhill
- · Replies 1 ·
Graduate Odd Determinant: Explaining a Strange Phenomenon
- TTob
- · Replies 2 ·
Graduate Normalizer of Sylow p-subgroup of simple groups A_n
- rulin
- · Replies 3 ·
Graduate Need help proving Order of a formula
- Gear2d
- · Replies 3 ·
Graduate Why the need for Lagrange's Theorem?
- Spartan Math
- · Replies 6 ·
Undergrad Solving Group G Show: Very Important!
- hashimcom
- · Replies 9 ·