Found 453 Documents (Results 1–100)
Integral generalized equivariant cohomologies of weighted Grassmann orbifolds. (English) Zbl 07904854
Positroid Catalan numbers. (English) Zbl 07856622
Quantum K theory rings of partial flag manifolds. (English) Zbl 1540.57044
Reviewer: Do Ngoc Diep (Hà Nội)
The uniqueness theorem for Gysin coherent characteristic classes of singular spaces. (English) Zbl 07808996
Reviewer: Daniel Tanré (Villeneuve d’Ascq)
Simultaneous linear symplectic reduction and orbit fibrations. arXiv:2410.16869
Preprint, arXiv:2410.16869 [math.SG] (2024).
Moduli space of weighted pointed stable curves and toric topology of Grassmann manifolds. arXiv:2410.01059
Preprint, arXiv:2410.01059 [math.AG] (2024).
Simple matrix models for the flag, Grassmann, and Stiefel manifolds. arXiv:2407.13482
Preprint, arXiv:2407.13482 [math.NA] (2024).
Minimal equivariant embeddings of the Grassmannian and flag manifold. arXiv:2407.12546
Preprint, arXiv:2407.12546 [math.RT] (2024).
On smooth infinite dimensional grassmannians, splittings and non-commutative generalized cross-ratio mappings. arXiv:2404.16888
Preprint, arXiv:2404.16888 [math.DG] (2024).
4-torsion classes in the integral cohomology of oriented Grassmannians. arXiv:2403.06897
Preprint, arXiv:2403.06897 [math.AT] (2024).
The orbit spaces \(G_{n,2}/T^n\) and the Chow quotients \(G_{n,2}//(\mathbb{C}^{\ast})^n\) of the Grassmann manifolds \(G_{n,2}\). (English. Russian original) Zbl 1540.57035
Sb. Math. 214, No. 12, 1694-1720 (2023); translation from Mat. Sb. 214, No. 12, 46-75 (2023).
Reviewer: Cenap Özel (Jeddah)
The formal model of semi-infinite flag manifolds. (English) Zbl 07823035
Beliaev, Dmitry (ed.) et al., International congress of mathematicians 2022, ICM 2022, Helsinki, Finland, virtual, July 6–14, 2022. Volume 3. Sections 1–4. Berlin: European Mathematical Society (EMS). 1600-1622 (2023).
The rational zero-divisor cup-length of oriented partial flag manifolds. (English) Zbl 1532.57022
Reviewer: Branislav Prvulović (Beograd)
Haken 3-manifolds in small covers. (English) Zbl 1541.57035
Reviewer: Zhi Lü (Shanghai)
Grassmann and Stiefel varieties over composition algebras. (English) Zbl 1535.14117
RSME Springer Series 9. Cham: Springer (ISBN 978-3-031-36404-4/hbk; 978-3-031-36407-5/pbk; 978-3-031-36405-1/ebook). xii, 334 p. (2023).
Reviewer: Mee Seong Im (Annapolis)
Exotic Lagrangian tori in Grassmannians. (English) Zbl 1527.14098
Reviewer: Francesco Esposito (Padova)
Different types of topological complexity based on higher homotopic distance. (English) Zbl 1522.55004
Reviewer: Yuli Rudyak (Gainesville)
Operator-valued formulas for Riemannian gradient and Hessian and families of tractable metrics in Riemannian optimization. (English) Zbl 1515.65169
Harmonic unit normal sections of Grassmannians associated with cross products. (English) Zbl 1535.53065
Reviewer: Rui Albuquerque (Lisboa)
Disk potential functions for quadrics. (English) Zbl 1511.53080
Reviewer: Mee Seong Im (Annapolis)
Finiteness of rank for Grassmann convexity. (Finitude de rang pour la connexité du Grassmannien.) (English. French summary) Zbl 1504.14086
Reviewer: Vladimir P. Kostov (Nice)
On self-maps of complex flag manifolds. (English) Zbl 1510.55001
Reviewer: Cenap Özel (Jeddah)
Modular law through GKM theory. arXiv:2310.16235
Preprint, arXiv:2310.16235 [math.AT] (2023).
Ampleness of normal bundles of base cycles in flag domains. arXiv:2310.16521
Preprint, arXiv:2310.16521 [math.CV] (2023).
Topological Gysin Coherence for Algebraic Characteristic Classes of Singular Spaces. arXiv:2310.15042
Preprint, arXiv:2310.15042 [math.AG] (2023).
Totally nonnegative part of the Peterson variety in Lie type A. arXiv:2310.02819
Preprint, arXiv:2310.02819 [math.AG] (2023).
Peterson varieties and toric orbifolds associated to Cartan matrices. arXiv:2310.02818
Preprint, arXiv:2310.02818 [math.AG] (2023).
Schubert calculus in Lie groups. arXiv:2307.13904
Preprint, arXiv:2307.13904 [math.AT] (2023).
Integral cohomology rings of weighted Grassmann orbifolds and rigidity properties. arXiv:2307.01153
Preprint, arXiv:2307.01153 [math.AT] (2023).
On the computation of homology of type A real flag manifolds. arXiv:2306.01127
Preprint, arXiv:2306.01127 [math.AT] (2023).
Lagrangian cobordism of positroid links. arXiv:2305.16232
Preprint, arXiv:2305.16232 [math.SG] (2023).
Chow-Witt rings and topology of flag varieties. arXiv:2302.11003
Preprint, arXiv:2302.11003 [math.AG] (2023).
A relative Nash-Tognoli theorem over \(\mathbb{Q}\) and application to the \(\mathbb{Q}\)-algebraicity problem. arXiv:2302.04673
Preprint, arXiv:2302.04673 [math.AG] (2023).
Regular semisimple Hessenberg varieties with cohomology rings generated in degree two. arXiv:2301.03762
Preprint, arXiv:2301.03762 [math.AG] (2023).
Schubert calculus and intersection theory of flag manifolds. (English. Russian original) Zbl 1520.14105
Russ. Math. Surv. 77, No. 4, 729-751 (2022); translation from Usp. Mat. Nauk 77, No. 4, 173-196 (2022).
Boundary measurement and sign variation in real projective space. (English) Zbl 1510.14035
Reviewer: Cenap Özel (Jeddah)
Pointwise universal Gysin formulae and applications towards Griffiths’ conjecture. (English) Zbl 1510.32041
Slice filtration of certain \(C_{pq}\)-spectra. (English) Zbl 1533.55011
Reviewer: Geoffrey Powell (Angers)
Integral homology of real isotropic and odd orthogonal Grassmannians. (English) Zbl 1498.14123
Reviewer: Cenap Özel (İzmir)
Cellularization for exceptional spherical space forms and the flag manifold of \(\mathsf{SL}_3 (\mathbb{R})\). (English) Zbl 1502.57016
Reviewer: Karl Heinz Dovermann (Honolulu)
Characteristic classes of symmetric and skew-symmetric degeneracy loci. (English) Zbl 1489.14014
Aluffi, Paolo (ed.) et al., Facets of algebraic geometry. A collection in honor of William Fulton’s 80th birthday. Volume 2. Cambridge: Cambridge University Press. Lond. Math. Soc. Lect. Note Ser. 473, 254-283 (2022).
Closed-form geodesics and optimization for Riemannian logarithms of Stiefel and flag manifolds. (English) Zbl 1500.53056
Flip graphs of stacked and flag triangulations of the 2-sphere. (English) Zbl 1494.57043
Reviewer: Manisha Binjola (New Delhi)
Halving spaces and lower bounds in real enumerative geometry. (English) Zbl 1497.14105
Reviewer: Richárd Rimányi (Chapel Hill)
Torus orbit closures in flag varieties and retractions on Weyl groups. (English) Zbl 1494.14051
Reviewer: Maria Donten-Bury (Warszawa)
A correspondence between boundary coefficients of real flag manifolds and height of roots. (English) Zbl 1485.57031
Reviewer: Cenap Özel (İzmir)
A note on Griffiths’ conjecture about the positivity of Chern-Weil forms. (English) Zbl 1491.53078
Reviewer: Riccardo Piovani (Parma)
Universal vector bundles, push-forward formulae and positivity of characteristic forms. arXiv:2210.11157
Preprint, arXiv:2210.11157 [math.DG] (2022).
Topological approach to diagonalization algorithms. arXiv:2204.06111
Preprint, arXiv:2204.06111 [math.AT] (2022).
MSC:
57S12
14M15
15A20
37C25
37D15
55M35
05C78
57-08
37C05
55N25
55N30
52C45
05C62
05C75
57-04
55T10
Torus orbit closures in the flag variety. arXiv:2203.16750
Preprint, arXiv:2203.16750 [math.AG] (2022).
Notes on Chow rings of flag varieties \(G/B\) and classifying spaces \(BG\). (English) Zbl 1530.55009
Hvedri, Inassaridze (ed.), Tbilisi – mathematics. Special issue. Dedicated to the memory of Roin Nadiradze. Berlin: De Gruyter/Sciendo. Tbilisi Math. J. Collect. Spec. Issues 2, 5-29 (2021).
Reviewer: Cenap Özel (Jeddah)
On the cohomology rings of real flag manifolds: Schubert cycles. (English) Zbl 1490.14085
Reviewer: Cenap Özel (İzmir)
On equivariant oriented cohomology of Bott-Samelson varieties. (English) Zbl 1486.14031
Reviewer: Richárd Rimányi (Chapel Hill)
Bredon cohomology of finite dimensional \(C_p\)-spaces. (English) Zbl 1494.55012
Reviewer: Marc Stephan (Bielefeld)
Weyl group covers for Brieskorn’s resolutions in all characteristics and the integral cohomology of \(G/P\). (English) Zbl 1487.14009
Cluster structures on double Bott-Samelson cells. (English) Zbl 1479.13028
Reviewer: Letterio Gatto (Torino)
Discrete subgroups of \(\mathrm{PSL}(n+1,\mathbb{C})\) acting on the Grassmannians. (English) Zbl 1482.37028
P-flag spaces and incidence stratifications. (English) Zbl 1478.14072
Reviewer: Jacopo Gandini (Pisa)
Real Springer fibers and odd arc algebras. (English) Zbl 1497.14092
Reviewer: Mee Seong Im (Annapolis)
Grassmannians and pseudosphere arrangements. (Grassmanniennes et arrangements de pseudo-sphères.) (English. French summary) Zbl 1468.52016
Locally convex curves and the Bruhat stratification of the spin group. (English) Zbl 1479.14063
Reviewer: Cenap Özel (İzmir)
Structure constants for Chern classes of Schubert cells. (English) Zbl 1478.14075
Reviewer: Richárd Rimányi (Chapel Hill)
The Grassmannian of affine subspaces. (English) Zbl 1485.14096
Reviewer: Emilia Mezzetti (Trieste)
A note on the equivariant cobordism of generalized Dold manifolds. (English) Zbl 1470.57048
Reviewer: Hailiang Hu (Dalian)
MSC:
57R25
Mollifier smoothing of \(C^0\)-Finsler structures. (English) Zbl 1464.53023
Reviewer: Mircea Neagu (Braşov)
\(RO(C_2)\)-graded cohomology of equivariant Grassmannian manifolds. (English) Zbl 1464.55009
Reviewer: Karl Heinz Dovermann (Honolulu)
The ideal-valued index of fibrations with total space a \(G_{2}\) flag manifold. arXiv:2103.01279
Preprint, arXiv:2103.01279 [math.AT] (2021).
Positroid Links and Braid varieties. arXiv:2105.13948
Preprint, arXiv:2105.13948 [math.AG] (2021).
On Reidemeister torsion of flag manifolds of compact semisimple Lie groups. (English) Zbl 1484.57023
How many simplices are needed to triangulate a Grassmannian? (English) Zbl 1483.57030
Reviewer: Wolfgang Kühnel (Stuttgart)
Algebraic and geometric properties of flag Bott-Samelson varieties and applications to representations. (English) Zbl 1458.05259
Flag Bott manifolds and the toric closure of a generic orbit associated to a generalized Bott manifold. (English) Zbl 1468.14087
Reviewer: Ivan Limonchenko (Toronto)
Geometry of compact complex manifolds associated to generalized quasi-Fuchsian representations. (English) Zbl 1457.32061
The complex geometry of two exceptional flag manifolds. (English) Zbl 1451.14144
Reviewer: Giosuè Muratore (Roma)
Configurations of flags in orbits of real forms. (English) Zbl 1464.14049
Reviewer: Antonin Guilloux (Paris)
Cohomology rings of the real and oriented partial flag manifolds. (English) Zbl 1448.57033
Reviewer: Branislav Prvulovic (Beograd)
The flag upper bound theorem for 3- and 5-manifolds. (English. French summary) Zbl 1440.05258
Proceedings of the 28th international conference on formal power series and algebraic combinatorics, FPSAC 2016, Vancouver, Canada, July 4–8, 2016. Nancy: The Association. Discrete Mathematics & Theoretical Computer Science (DMTCS). Discrete Math. Theor. Comput. Sci., Proc., 1227-1238 (2020).
Homotopy type of skeleta of the flag complex over a finite vector space and generalized Galois numbers. (English) Zbl 1539.57026
Flag Bott manifolds of general Lie type and their equivariant cohomology rings. (English) Zbl 1434.55006
Reviewer: Michael Wiemeler (Münster)
Generic torus orbit closures in Schubert varieties. (English) Zbl 1475.14106
Reviewer: Soumen Sarkar (Chennai)
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