Join experts in discussing differential geometry topics. This includes manifolds, Tensors and forms. Connections and curvature also. Differential and algebraic topology discussion.
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Graduate Understanding Derivatives of f(r) in Multiple Variables
- Jhenrique
- · Replies 2 ·
Graduate Smooth maps between manifolds domain restriction
- center o bass
- · Replies 1 ·
Graduate Are any two geodesics the same after applying an isometry?
- nonequilibrium
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Finding focus, given two tangents
- Saitama
- · Replies 11 ·
Graduate What Does Null-Homotopic Framing Mean in Knot Topology?
- WWGD
- · Replies 0 ·
Graduate How Do Different Coordinate Systems Affect Vector Operations?
- ShayanJ
- · Replies 9 ·
Graduate Is it possible to specify a 3d surface in 4d space with just one vector?
- dEdt
- · Replies 2 ·
Graduate Metric tensor after constructing a quotient space.
- center o bass
- · Replies 6 ·
Graduate Are you ready to test my knowledge of tensors?
- CosmicKitten
- · Replies 38 ·
Graduate Deductions about extending a pseudo-riemannian manifold
- PAllen
- · Replies 3 ·
How to calculate center coordinates of two reverse arcs in 3D space
- Brad_
- · Replies 8 ·
Graduate Top Homology of Connected , Orientable Manifolds with Boundary
- WWGD
- · Replies 8 ·
Graduate In how many ways can you embed a Riemannian manifold in R^n?
- nonequilibrium
- · Replies 7 ·
Graduate Can Non-Smooth C^1 Knots be Orientable?
- WWGD
- · Replies 30 ·
Graduate Differential Geometry: Understanding the Affine Tangent Plane at a Point
- knowswhale
- · Replies 1 ·
Graduate What Properties Are Preserved by Diffeomorphisms?
- center o bass
- · Replies 11 ·
Kuba's question at Yahoo Answers regarding finding the surface area of a torus
- MarkFL
- · Replies 1 ·
Graduate How do axioms for Euclidean geometry exclude non-trivial topology?
- nonequilibrium
- · Replies 23 ·
Graduate Orientation of a Submanifold, given an Orientation of Ambient Manifold
- WWGD
- · Replies 1 ·
Graduate Is the Dual of a Reeb field a Contact Form?
- WWGD
- · Replies 9 ·
Undergrad Minimum distance between a disk in 3d space and a point above the disk
- CraigH
- · Replies 16 ·
Graduate A curve that intersects itself at some point w/o trig functions
- Lebombo
- · Replies 7 ·
Undergrad Volume of a closed surface (divergence theorem)
- Jhenrique
- · Replies 5 ·
Graduate Length change of diagonal in deformable triangle
- Niles
- · Replies 1 ·
Graduate Transversality of a Vector Field in terms of Forms (Open Books)
- WWGD
- · Replies 0 ·
Undergrad The Difference Between Euclidean and Riemannian Spaces
- LagrangeEuler
- · Replies 6 ·
Graduate Help in re-parameterizing the curve
- sarah7
- · Replies 1 ·
Graduate Naturality/commutativity of Mayer-Vietoris giving wrong answer?
- nonequilibrium
- · Replies 4 ·
Undergrad Understanding the Relationship Between Solid Angle and Plane Angles
- Jhenrique
- · Replies 2 ·
Graduate Challenge 10b: Temperatures of the Earth
- Office_Shredder
- · Replies 16 ·
Graduate Is the Metric g a Complex Manifold?
- cuallito
- · Replies 1 ·
Robin's question at Yahoo Answers regarding the osculating circle of a parabola
- MarkFL
- · Replies 1 ·
Undergrad How to Divide a Sphere's Volume Equally into 3 Parts Using Parallel Planes?
- bcarlso2
- · Replies 4 ·
Graduate How Do Line and Surface Infinitesimals Differ in Mathematical Formulations?
- Jhenrique
- · Replies 1 ·
What is the solution to this vector geometry problem?
- Saitama
- · Replies 11 ·
Graduate Compactability and Killing vectors
- center o bass
- · Replies 8 ·
Graduate Induced Metric of a 2-Sphere: Why i≠j?
- pdxautodidact
- · Replies 6 ·
Graduate Does a compact manifold always have bounded sectional curvature?
- Sajet
- · Replies 2 ·
Mathematical addiction - looking for your next fix, non?
- DreamWeaver
- · Replies 2 ·
Graduate Hyperbolic geometry - relations between lines, curves, and hyperbolas
- Reuel
- · Replies 2 ·
Graduate Integral Definition of Exterior Derivative?
- bolbteppa
- · Replies 3 ·
Finite Tangent product / quotient
- DreamWeaver
- · Replies 3 ·
Undergrad How do I determine if a plane is even with respect to an axis?
- ainster31
- · Replies 4 ·
Graduate Should You Choose Classical or Modern Texts for Studying Curved Surfaces?
- mathnerd15
- · Replies 1 ·
Graduate Are Exact Forms on Smooth Manifolds Always a Sheaf?
- Mandelbroth
- · Replies 5 ·
Undergrad What is the name of the shape formed by combining 3 ellipses together?
- xaratustra
- · Replies 1 ·
Graduate Jacobi identity for covariant derivatives proof.
- center o bass
- · Replies 1 ·
Graduate How fundamental are functions, really?
- "pi"mp
- · Replies 4 ·
Graduate What Are Tensors and Why Are They Important in Physics?
- 7777777
- · Replies 34 ·
Graduate Relation between parameters of a vector field and it's projection
- center o bass
- · Replies 1 ·
Graduate Dimensionality of the space of p-forms
- center o bass
- · Replies 2 ·
Graduate Component of vector parallel to boundary while calculating divergence
- Urmi Roy
- · Replies 7 ·
Finding the Line Normal to a Hyperbola: Domenic's Q&A at Yahoo Answers
- MarkFL
- · Replies 1 ·
Graduate Regarding representations of the Lorentz group
- Kontilera
- · Replies 2 ·
What Determines the Locus of Midpoints Between Two Lines in Space?
- Perlita
- · Replies 7 ·
Prove Strict Tangents: Exercises & Real Curves
- mathbalarka
- · Replies 1 ·
Graduate Morse-witten cohomology for non-orientable target spaces
- electroweak
- · Replies 5 ·
Graduate Tangent space on complex manifolds
- mnb96
- · Replies 11 ·
Find Parabola Given Focus & Directrix - Help Needed
- MarkFL
- · Replies 2 ·
Graduate Proving Kähler, finding the Kähler form
- Mak182
- · Replies 2 ·
Graduate Question on differentiable manifolds and tangent spaces
- mnb96
- · Replies 4 ·
Graduate Example of differentiable manifold of class C^1
- mnb96
- · Replies 4 ·
Graduate Finding Reeb Vector Fields Associated with Contact Forms
- WWGD
- · Replies 26 ·
Graduate What are some examples of open subsets that are not manifolds?
- mnb96
- · Replies 4 ·
Eliminating the xy-Term: Solving Rotating Axes Problem with θ = 30 degrees
- orcbum
- · Replies 2 ·
Graduate Redundancy of Lie Group Conditions
- Arkuski
- · Replies 1 ·
Graduate What Distinguishes a Reeb Vector Field from a General Contact Field?
- WWGD
- · Replies 4 ·
Graduate Clarification on Lie Derivatives
- center o bass
- · Replies 1 ·
Undergrad Find Direct Common Tangent of 2 Circles without Complexity
- Dumbledore211
- · Replies 1 ·
Graduate Where to learn differential geometry online?
- Superposed_Cat
- · Replies 1 ·
Graduate Calculating reciprocal base vectors
- epr1990
- · Replies 2 ·
Graduate Products of Embedded Submanifolds
- Arkuski
- · Replies 1 ·
Graduate Circles in Minkowski space: unknown notation
- nomadreid
- · Replies 2 ·
Graduate Trigonometric function expanded in spherical harmonics
- M_1
- · Replies 9 ·
Undergrad Difficulty picturing skew lines
- applestrudle
- · Replies 1 ·
Graduate Parameterize a geodesic using one of the coordinates
- PLuz
- · Replies 1 ·
Graduate General Conditions for Stokes' Theorem
- Mandelbroth
- · Replies 4 ·
Graduate The Gradient Theorem: Understanding the Physical Interpretation and Intuition
- member 428835
- · Replies 3 ·
Graduate Rotating Shapes: Length of X-Axis at Time t
- 2.718281828459
- · Replies 3 ·
Graduate Differentiation Problem on Lie Groups
- lavinia
- · Replies 3 ·
Graduate Regarding coordinate and non-coordinate bases
- Kontilera
- · Replies 2 ·
Graduate Riemann surfaces over algebraic surfaces
- tom.stoer
- · Replies 3 ·
Graduate What Is the Difference Between M^a_b and M_b^a in Tensor-Index Notation?
- HJ Farnsworth
- · Replies 4 ·
Graduate Exterior differentiation and pullback
- center o bass
- · Replies 8 ·
Graduate On local trivializations and transition functions of fibre bundles
- lennyleonard
- · Replies 5 ·
Graduate Is there a formula for these circles?
- arkajad
- · Replies 8 ·
Graduate Finishing a Supposedly Simple Proof
- Mandelbroth
- · Replies 5 ·
Undergrad Question about turning a hemisphere into an equivalent circle?
- goldust
- · Replies 3 ·
Graduate Literature on differential geometry, suggestions?
- saminator910
- · Replies 3 ·
Graduate Litterature on small or compact dimensions?
- center o bass
- · Replies 4 ·
Graduate Relation between det(spacetime metric) and det(spatial metric)
- center o bass
- · Replies 1 ·
Graduate Help with Derivation: u^-1(\partial_\mu u)u^-1 = \partial_\mu(u^-1)
- Kontilera
- · Replies 1 ·
Graduate Can the tensor product be visualized as a machine for processing vectors?
- Mandelbroth
- · Replies 2 ·
Graduate Definition of Parallel Vectors in Vector Spaces
- Dmobb Jr.
- · Replies 3 ·
Graduate Definition of the extrinsic-curvature tensor.
- center o bass
- · Replies 5 ·
Graduate Straight lines and flat surfaces
- birulami
- · Replies 3 ·
Undergrad Christoffel Symbols Explained: Uses & Definition
- dynamic_master
- · Replies 2 ·
Graduate Good treatments on the differential geometry on surfaces.
- center o bass
- · Replies 1 ·
Graduate Why using diff. forms in electromagnetism?
- christianpoved
- · Replies 2 ·
Undergrad What Determines the Placement of Control Points in a Bezier Curve?
- null void
- · Replies 3 ·