User nxir

12 votes

0 answers

1k views

Use of derivators to the theory of motives?

asked Nov 17, 2014 at 0:41

8 votes

1 answer

413 views

Known norm varieties and the Bloch-Kato conjecture

ag.algebraic-geometry homological-algebra algebraic-groups motives motivic-cohomology

asked Jun 24, 2014 at 1:28

6 votes

0 answers

184 views

Chow ring of $E_7$ varieties

ag.algebraic-geometry algebraic-groups chow-groups

asked Dec 20, 2019 at 20:46

5 votes

0 answers

237 views

What is the image of the diagonal map on the cohomology of Lie groups

ag.algebraic-geometry at.algebraic-topology lie-groups group-cohomology

asked Oct 9, 2020 at 0:23

5 votes

1 answer

217 views

Rank four quadratic Form with non trivial discriminant in I(k)

nt.number-theory homological-algebra quadratic-forms galois-cohomology

asked Jun 13, 2014 at 20:13

5 votes

0 answers

274 views

Hyperplane sections of principal homogeneous spaces

ag.algebraic-geometry lie-groups algebraic-groups motives

asked May 27, 2015 at 22:13

5 votes

1 answer

328 views

Motives of a variety of type D4

ag.algebraic-geometry algebraic-groups motives galois-cohomology

asked Mar 24, 2015 at 17:18

5 votes

1 answer

393 views

Constructing groups of Type E7 with certain Tits Index

ag.algebraic-geometry algebraic-groups quadratic-forms motives galois-cohomology

asked Jun 20, 2016 at 14:27

5 votes

1 answer

842 views

Wrong Tits-Index of E7 from Springer 's book

algebraic-groups

asked Jun 30, 2016 at 11:24

4 votes

1 answer

199 views

Hasse diagrams of G/P_1 and G/P_2

ag.algebraic-geometry lie-groups algebraic-groups

asked Jul 16, 2015 at 17:40

4 votes

0 answers

115 views

Norm variety for n=5, p=2 not isomorphic to a quadric

ag.algebraic-geometry algebraic-groups quadratic-forms motives galois-cohomology

asked Oct 21, 2015 at 17:28

4 votes

0 answers

215 views

Passing motivic decompositions from rational to algebraic equivalence

ag.algebraic-geometry algebraic-k-theory motives

asked May 6, 2016 at 12:39

4 votes

1 answer

169 views

Constructing algebraic groups of type E6 with split Tits algebras

ag.algebraic-geometry algebraic-groups

asked Nov 28, 2018 at 23:15

4 votes

0 answers

153 views

Quadrics contained in the (complex) Cayley plane

ag.algebraic-geometry algebraic-groups quadratic-forms motives galois-cohomology

asked Dec 19, 2016 at 18:47

3 votes

1 answer

485 views

Motives and topological data analysis

ag.algebraic-geometry at.algebraic-topology gn.general-topology homotopy-theory motives

asked May 21, 2021 at 2:20

3 votes

1 answer

153 views

On Serre's problem regarding the injectivity of Albert-Algebra cohomological invariants

ag.algebraic-geometry homological-algebra algebraic-groups galois-cohomology

asked Nov 23, 2014 at 17:21

2 votes

1 answer

193 views

u-Invariants of p-adic function fields

ag.algebraic-geometry quadratic-forms

asked Sep 19, 2014 at 19:05

2 votes

1 answer

286 views

Chow ring of an algebraic group for another equivalence relation than rational

ag.algebraic-geometry algebraic-groups algebraic-k-theory algebraic-cycles

asked Jun 8, 2016 at 23:51

2 votes

1 answer

224 views

Rost Invariant of $E_7$

ag.algebraic-geometry algebraic-groups galois-cohomology

asked Oct 31, 2017 at 23:02

2 votes

0 answers

124 views

Are Generalized Involution Varieties hyperlane sections of Generalized Severi Brauer Varieties?

ag.algebraic-geometry algebraic-groups motives

asked Nov 26, 2017 at 22:32

2 votes

1 answer

183 views

When does F4 split over its homogeneous variety X_4?

ag.algebraic-geometry algebraic-groups

asked Mar 30, 2018 at 23:44

2 votes

0 answers

237 views

Brauer groups and del Pezzo surfaces

ag.algebraic-geometry motives brauer-groups

asked Aug 3, 2019 at 15:28

2 votes

0 answers

96 views

What are the Tits algebras of $\mathrm{SO}(A, \sigma)$ if $A$ is split?

ag.algebraic-geometry algebraic-groups galois-cohomology

asked Oct 5, 2020 at 22:18

1 vote

0 answers

68 views

The splitting pattern of the Killing form of an algebraic group and the Tits index

ag.algebraic-geometry algebraic-groups quadratic-forms motives

asked Feb 11, 2021 at 21:08

1 vote

1 answer

297 views

Constructing groups of Type E^{66}_{7,1} having non trivial Tits algebra

ag.algebraic-geometry algebraic-groups quadratic-forms central-simple-algebras

asked Aug 6, 2016 at 19:03

1 vote

1 answer

205 views

Cohomological dimension of transcendental p-adic extensions

homological-algebra quadratic-forms galois-cohomology

asked Oct 23, 2014 at 0:09

1 vote

1 answer

347 views

Splitting varieties of two Galois cohomology symbols

ag.algebraic-geometry motives galois-cohomology

asked Dec 27, 2014 at 21:51

1 vote

1 answer

140 views

Dimension of binary motives of a quadric

ag.algebraic-geometry quadratic-forms motives quadrics

asked Aug 18, 2014 at 1:47

0 votes

1 answer

133 views

Rost Correspondence and minimal Pfister-Neighbors

ag.algebraic-geometry open-problems quadratic-forms motives

asked May 26, 2014 at 1:42

-1 votes

1 answer

149 views

Algebraic Groups of Type H_3 and H_4 [closed]

algebraic-groups

asked Apr 27, 2015 at 21:49

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30 Questions

Use of derivators to the theory of motives?

Known norm varieties and the Bloch-Kato conjecture

Chow ring of $E_7$ varieties

What is the image of the diagonal map on the cohomology of Lie groups

Rank four quadratic Form with non trivial discriminant in I(k)

Hyperplane sections of principal homogeneous spaces

Motives of a variety of type D4

Constructing groups of Type E7 with certain Tits Index

Wrong Tits-Index of E7 from Springer 's book

Hasse diagrams of G/P_1 and G/P_2

Norm variety for n=5, p=2 not isomorphic to a quadric

Passing motivic decompositions from rational to algebraic equivalence

Constructing algebraic groups of type E6 with split Tits algebras

Quadrics contained in the (complex) Cayley plane

Motives and topological data analysis

On Serre's problem regarding the injectivity of Albert-Algebra cohomological invariants

u-Invariants of p-adic function fields

Chow ring of an algebraic group for another equivalence relation than rational

Rost Invariant of $E_7$

Are Generalized Involution Varieties hyperlane sections of Generalized Severi Brauer Varieties?

When does F4 split over its homogeneous variety X_4?

Brauer groups and del Pezzo surfaces

What are the Tits algebras of $\mathrm{SO}(A, \sigma)$ if $A$ is split?

The splitting pattern of the Killing form of an algebraic group and the Tits index

Constructing groups of Type E^{66}_{7,1} having non trivial Tits algebra

Cohomological dimension of transcendental p-adic extensions

Splitting varieties of two Galois cohomology symbols

Dimension of binary motives of a quadric

Rost Correspondence and minimal Pfister-Neighbors

Algebraic Groups of Type H_3 and H_4 [closed]