Found 172 Documents (Results 1–100)
Twin quadratic polynomial vector fields in the space \(\mathbb{C}^3\). (English) Zbl 07875573
Reviewer: Maite Grau (Lleida)
Pourchet’s theorem in action: decomposing univariate nonnegative polynomials as sums of five squares. (English) Zbl 07760788
Dickenstein, Alicia (ed.) et al., Proceedings of the 48th international symposium on symbolic and algebraic computation, ISSAC, Tromsø, Norway, July 24–27, 2023. New York, NY: Association for Computing Machinery (ACM). 425-433 (2023).
MSC:
68W30
The localized slice spectral sequence, norms of real bordism, and the Segal conjecture. (English) Zbl 1507.55016
Reviewer: David Barnes (Belfast)
Tate blueshift and vanishing for real oriented cohomology theories. (English) Zbl 1528.55003
Reviewer: Kyle Ormsby (Portland)
Special groups and quadratic forms over rings with non-zero-divisor coefficients. (English) Zbl 1501.11055
Reviewer: Adam Chapman (Tel Hai)
Algebraic characterization of rings of continuous \(\mathbb{R}((t))\)-valued functions. (English) Zbl 1494.13004
Reviewer: Carla Massaza (Torino)
Spectral maps associated to semialgebraic branched coverings. (English) Zbl 1481.14089
Reviewer: José Javier Etayo (Madrid)
Real spectra and \(\ell\)-spectra of algebras and vector lattices over countable fields. (English) Zbl 1481.13039
Reviewer: Alexander Kovačec (Coimbra)
Picard groups and duality for real Morava \(E\)-theories. (English) Zbl 1481.19008
Reviewer: Guy Boyde (Southampton)
Separated spectra and operator inequalities. (English) Zbl 1489.47030
Reviewer: Mohammad Sal Moslehian (Mashhad)
Semi-analytical solutions for eigenvalue problems of chains and periodic graphs. (English) Zbl 1510.15020
Models of Lubin-Tate spectra via real bordism theory. (English) Zbl 1494.55017
Reviewer: James D. Quigley (Ithaca)
Subconvex bounds for Hecke-Maass forms on compact arithmetic quotients of semisimple Lie groups. (English) Zbl 1477.11104
Reviewer: Shin-ya Koyama (Yokohama)
Invertible \(K(2)\)-local \(E\)-modules in \(C_4\)-spectra. (English) Zbl 1468.55004
Reviewer: Steffen Sagave (Nijmegen)
Real orientations of Lubin-Tate spectra. (English) Zbl 1447.55011
Reviewer: Jordan Williamson (Praha)
Real root finding for low rank linear matrices. (English) Zbl 1445.13026
Reviewer: Sonia Pérez Díaz (Madrid)
The inversion characterizations of \(C(\mathcal{L})\) for a locale \(\mathcal{L} \). (English) Zbl 1473.06004
Commuting matrices and Atiyah’s real K-theory. (English) Zbl 1436.55005
Reviewer: Daniel Juan Pineda (Michoacan)
The representation-ring-graded local cohomology spectral sequence for \(BP\mathbb{R}\langle 3\rangle\). (English) Zbl 1417.55011
Reviewer: David Barnes (Belfast)
The completeness characterization of \(C(\mathcal{L})\), \(\mathcal{L}\) a locale. (English) Zbl 1473.06005
Algorithms for weighted sum of squares decomposition of non-negative univariate polynomials. (English) Zbl 1420.13058
On spectra of weighted graphs of order \(\leq 5\). (English) Zbl 1397.05101
Garijo, Delia (ed.) et al., Discrete mathematics days 2018. Extended abstracts of the 11th “Jornadas de matemática discreta y algorítmica” (JMDA), Sevilla, Spain, June 27–29, 2018. Amsterdam: Elsevier. Electronic Notes in Discrete Mathematics 68, 95-100 (2018).
The Yosida space of the vector lattice hull of an Archimedean \(\ell\)-group with unit. (English) Zbl 1401.06020
Picard groups of higher real \(K\)-theory spectra at height \(p-1\). (English) Zbl 1374.14006
Reviewer: Haruo Minami (Nara)
The real Johnson-Wilson cohomology of \(\mathbb{CP}^\infty\). (English) Zbl 1348.55007
Reviewer: David Barnes (Belfast)
The \(ER(n)\)-cohomology of \(BO(q)\) and real Johnson-Wilson orientations for vector bundles. (English) Zbl 1328.55006
Reviewer: Haruo Minami (Nara)
Faithfully quadratic rings. (English) Zbl 1328.11003
Mem. Am. Math. Soc. 1128, xi, 123 p. (2015).
Reviewer: Manouchehr Misaghian (Prairie View)
A modular description of \(ER(2)\). (English) Zbl 1302.55005
Reviewer: David Barnes (Belfast)
The connective real \(K\)-theory of Brown-Gitler spectra. (English) Zbl 1284.55008
Reviewer: David Barnes (Belfast)
Unstable splittings for real spectra. (English) Zbl 1270.55003
Reviewer: Yuli Rudyak (Gainesville)
Spectral real semigroups. (English. French summary) Zbl 1271.11047
Reviewer: Paweł Gładki (Katowice)
Natural numbers \(n\) for which \(\lfloor n\alpha +s\rfloor \not =\lfloor n\beta +s\rfloor \). (English) Zbl 1276.11026
Reviewer: Dmitriy Frolenkov (Moscow)
Non-Hermitian Hamiltonians and the Painlevé IV equation with real parameters. (English) Zbl 1250.81042
A lower bound for the number of distinct eigenvalues of some real symmetric matrices. (English) Zbl 1205.05138
MSC:
05C50
\(PT\) symmetric Schrödinger operators: reality of the perturbed eigenvalues. (English) Zbl 1202.47014
Reviewer: Khanlar R. Mamedov (Mersin)
Bounding the number of stable homotopy types of a parametrized family of semi-algebraic sets defined by quadratic inequalities. (English) Zbl 1193.14072
Reviewer: Aris Daniilidis (Bellaterra)
The three-valued logic of quadratic form theory over real rings. (English) Zbl 1148.03025
Ehrenfeucht, A. (ed.) et al., Andrzej Mostowski and foundational studies. Amsterdam: IOS Press (ISBN 978-1-58603-782-6/hbk). 49-67 (2008).
Branching rules for unitary groups and spectra of invariant differential operators on complex Grassmannians. (English) Zbl 1154.22020
Reviewer: Vesselin Drensky (Sofia)
Super real closed rings. (English) Zbl 1121.03044
On the Hopf ring for \(ER(n)\). (English) Zbl 1119.55005
Reviewer: Katsumi Shimomura (Kochi)
The Hopf ring for \(bo\) and its connective covers. (English) Zbl 1115.55001
Reviewer: Keith Johnson (Halifax)
Clean rings of continuous functions. (English) Zbl 1123.54003
Reviewer: Subiman Kundu (New Delhi)
Rational extended Mackey functors for the circle group. (English) Zbl 1118.55005
Arlettaz, Dominique (ed.) et al., An alpine anthology of homotopy theory. Proceedings of the 2nd Arolla conference on algebraic topology, Arolla, Switzerland, August 24–29, 2004. Providence, RI: American Mathematical Society (AMS) (ISBN 0-8218-3696-X/pbk). Contemporary Mathematics 399, 123-131 (2006).
Reviewer: Juan Antonio Pérez (Zacatecas)
Laplacians on quotients of Cauchy-Riemann complexes and Szegő map for \(L^{2}\)-harmonic forms. (English) Zbl 1118.32030
Reviewer: Joachim Michel (Calais)
Algebraic cycles and the classical groups II: quaternionic cycles. (English) Zbl 1081.14013
Reviewer: Piotr Krasoń (Szczecin)
About Stone’s notion of spectrum. (English) Zbl 1061.06031
Reviewer: Peter T. Johnstone (Cambridge)
On integral solutions of quadratic inequalities. (English) Zbl 1197.11044
Reviewer: Olaf Ninnemann (Berlin)
Real semigroups and abstract real spectra. I. (English) Zbl 1117.13026
Baeza, Ricardo (ed.) et al., Algebraic and arithmetic theory of quadratic forms. Proceedings of the international conference, Universidad de Talca, Talca and Pucón, Chile, December 11–18, 2002. Providence, RI: American Mathematical Society (AMS) (ISBN 0-8218-3441-X/pbk). Contemporary Mathematics 344, 99-119 (2004).
Reviewer: Muhammad Zafrullah (Pocatello)
An \(E_\infty\) splitting of spin bordism. (English) Zbl 1058.55001
Reviewer: David C. Johnson (Lexington)
*-orderings and *-valuations on algebras of finite Gelfand-Kirillov dimension. (English) Zbl 1052.16021
Reviewer: Victor Petrogradsky (Ulyanovsk)
Algebraic cycles and the classical groups. I: Real cycles. (English) Zbl 1043.14002
Reviewer: Piotr Krasoń (Szczecin)
From non-Hermitian oscillator-like operators to Freud polynomials and some uences. (English) Zbl 1032.81008
On real-oriented Johnson-Wilson cohomology. (English) Zbl 1025.55003
Reviewer: Rainer Vogt (Osnabrück)
Function-space compactifications of function spaces. (English) Zbl 1012.54023
Reviewer: Ljubiša Kočinac (Aleksandrovać)
Complexified PSUSY and SSUSY interpretations of some PT-symmetric Hamiltonians possessing two series of real energy eigenvalues. (English) Zbl 1022.81016
Reviewer: Miloslav Znojil (Řež)
MSC:
81Q60
Volume of the intersection of three spheres. (English. Russian original) Zbl 0991.51010
Math. Notes 69, No. 3, 421-428 (2001); translation from Mat. Zametki 69, No. 3, 466-476 (2001).
Multiscale reference function analysis of the \(\mathcal{PT}\) symmetry breaking solutions for the \(P^2+iX^3+i\alpha X\) Hamiltonian. (English) Zbl 0981.81074
Generating complex potentials with real eigenvalues in supersymmetric quantum mechanics. (English) Zbl 1018.81020
Real-oriented homotopy theory and an analogue of the Adams-Novikov spectral sequence. (English) Zbl 0967.55010
Reviewer: Keith Johnson (Halifax)
A symmetric ring spectrum representing KO-theory. (English) Zbl 0979.55002
Reviewer: U.Tillmann (Oxford)
On the separation of spectra in the analysis of Berezin kernels. (English. Russian original) Zbl 0967.22007
Funct. Anal. Appl. 34, No. 3, 197-207 (2000); translation from Funkts. Anal. Prilozh. 34, No. 3, 49-62 (2000).
Reviewer: Nikolai K.Karapetyants (Rostov-na-Donu)
Darboux coordinates on \(K\)-orbits and the spectra of Casimir operators on Lie groups. (English. Russian original) Zbl 0967.22004
Theor. Math. Phys. 123, No. 3, 754-767 (2000); translation from Teor. Mat. Fiz. 123, No. 3, 407-423 (2000).
Reviewer: Takeshi Kawazoe (Yokohama)
Orderings and valuations on twisted polynomial rings. (English) Zbl 0963.16022
Reviewer: A.Verschoren (Antwerp)
On diophantine approximation below the Lagrange constant. (English) Zbl 0966.11028
Reviewer: Günter Köhler (Würzburg)
Asymptotic distribution of the even and odd spectra of real symmetric Toeplitz matrices. (English) Zbl 0947.15009
Reviewer: Z.Dostal (Ostrava)
The cobordism of \(real\) manifolds. (English) Zbl 0939.55005
Reviewer: Michael Joachim (Münster)
Bounded meromorphic functions on compact real analytic sets. (English) Zbl 0937.14040
Reviewer: J.M.Gamboa (Madrid)
Orderings, real places, and valuations on noncommutative integral domains. (English) Zbl 0934.16041
Reviewer: A.Verschoren (Antwerp)
Open problems on graphs arising from geometric topology. (English) Zbl 0958.57003
Reviewer: Joachim Grispolakis (Chania)
Notes on the Hopkins-Miller theorem. (English) Zbl 0910.55004
Mahowald, Mark (ed.) et al., Homotopy theory via algebraic geometry and group representations. Proceedings of a conference on homotopy theory, Evanston, IL, USA, March 23–27, 1997. Providence, RI: American Mathematical Society. Contemp. Math. 220, 313-366 (1998).
Reviewer: Keith Johnson (Halifax)
Rational Mackey functors for compact Lie groups. I. (English) Zbl 0891.19001
Reviewer: J.P.C.Greenlees (Sheffield)
A subspace algorithm for the identification of discrete time frequency domain power spectra. (English) Zbl 0899.93010
Reviewer: Gabriel Dimitriu (Iaşi)
MSC:
93B30
The real spectrum of a noncommutative ring. (English) Zbl 0909.16027
Reviewer: A.Verschoren (Antwerp)
The \(K_ *\)-local type of the smash product of real projective spaces. (English) Zbl 0873.55009
Reviewer: C.S.Hoo (Edmonton)
MSC:
55P42
Periodic equivariant real \(K\)-theories have rational Tate theory. (English) Zbl 0898.55004
Reviewer: K.Knapp (Wuppertal)
Spaces of orderings and abstract real spectra. (English) Zbl 0866.12001
Lecture Notes in Mathematics. 1636. Berlin: Springer. vi, 190 p. (1996).
Reviewer: A.Tschimmel-Faltings (Bonn)
Approximation by normal elements with finite spectra in \(C^*\)-algebras of real rank zero. (English) Zbl 0860.46039
Real connective \(K\)-theory and the quaternion group. (English) Zbl 0854.19005
Reviewer: B.Dundas (Oslo)
Constructible sets in real geometry. (English) Zbl 0873.14044
Ergebnisse der Mathematik und ihrer Grenzgebiete. 3. Folge. 33. Berlin: Springer. ix, 270 p. (1996).
Reviewer: N.Schwartz (Passau)
The quasi \(KO_ *\)-types of spectra \(X\) with \(KU_ *X\cong Z/2^ m\oplus Z/2^ n\). (English) Zbl 0865.55004
Reviewer: A.Cap (Wien)
The functional calculus. (English) Zbl 0858.47012
Reviewer: V.Wrobel (Kiel)
MSC:
47A60
Some utility theorems on inductive limits of preordered topological spaces. (English) Zbl 0858.54009
Approximately unitarily equivalent morphisms and inductive limit \(C^*\)- algebras. (English) Zbl 0828.46055
Reviewer: H.Schröder (Dortmund)
Explicit formulae for Taylor’s functional calculus. (English) Zbl 0842.47009
Curto, Raúl E. (ed.) et al., Multivariable operator theory. A joint summer research conference on multivariable operator theory, July 10-18, 1993, University of Washington, Seattle, WA, USA. Providence, RI: American Mathematical Society. Contemp. Math. 185, 1-5 (1995).
Textbook of set theory. Transl. from the Russian by Manfred Peschel, Wolfgang Richter and Horst Antelmann. 6. überarb. Aufl. (Lehrbuch der Mengenlehre.) (German) Zbl 0833.04001
Frankfurt/Main: Verlag Harri Deutsch. 377 S. (1994).
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