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26 research outputs found

Projective dynamics and first integrals

We present the theory of tensors with Young tableau symmetry as an efficient computational tool in dealing with the polynomial first integrals of a natural system in classical mechanics. We relate a special kind of such first integrals, already studied by Lundmark, to Beltrami's theorem about projectively flat Riemannian manifolds. We set the ground for a new and simple theory of the integrable systems having only quadratic first integrals. This theory begins with two centered quadrics related by central projection, each quadric being a model of a space of constant curvature. Finally, we present an extension of these models to the case of degenerate quadratic forms.Comment: 39 pages, 2 figure

arXiv.org e-Print Archive

Crossref

HAL-INSU

HAL-OBSPM

An extended scattered light disk around AT Pyx: possible planet formation in a cometary globule

Author: Benisty M.
Boccaletti A.
Bohn A.J.
Bonnefoy M.
Cantalloube F.
Chauvin G.
Cugno G.
D'Orazi V.
Desidera S.
Dominik C.
Feldt M.
Ginski C.
Gratton R.
Hagelberg J.
Henning T.
Holstein R.G. van
Janson M.
Jorquera S.
Keppler M.
Lagrange A.-M.
Langlois M.
Launhardt R.
Lazzoni C.
Meyer M.
Milli J.
Muro-Arena G.A.
Müller A.
Petit C.
Pragt J.
Rodriguez M.
Roelfsema R.
Romero C.
Schmidt T.O.B.
Sissa E.
Ségransan D.
Vigan A.
Weber L.
Zurlo A.
Publication venue: 'EDP Sciences'
Publication date: 01/01/2022
Field of study

Stars and planetary system

Leiden University Scholary Publications

Production of DTH in the Mouse to Influenza Virus: Comparison with Conditions for Stimulation of Cytotoxic T Cells

Author: Allison A.C.
Biddison W.t
Cambridge G.
Cole P.J.
Cooper M.G.
Doherty P.C.
Doherty P.C.
Floc'h F.
Habershon R.B.
Hudson B.W.
Kato N
Katsura Y.
Kraaijeveld C.A.
Lagrange P.H.
Miller J.F.A.P.
Miller S.D.
Peters R.L.
Robinson J.H.
Stockman G.D.
Tosolini F.A.
Turk J.L.
Webster R.G.
Wells M.A.
Yap K.L.
Yap K.L.
Yap K.L.
Publication venue: 'Wiley'
Publication date
Field of study

Crossref

An extended scattered light disk around AT Pyx: possible planet formation in a cometary globule

Author: Benisty M.
Boccaletti A.
Bohn A.J.
Bonnefoy M.
Cantalloube F.
Chauvin G.
Cugno G.
D'Orazi V.
Desidera S.
Dominik C.
Feldt M.
Ginski C.
Gratton R.
Hagelberg J.
Henning T.
Holstein R.G. van
Janson M.
Jorquera S.
Keppler M.
Lagrange A.-M.
Langlois M.
Launhardt R.
Lazzoni C.
Meyer M.
Milli J.
Muro-Arena G.A.
Müller A.
Petit C.
Pragt J.
Rodriguez M.
Roelfsema R.
Romero C.
Schmidt T.O.B.
Sissa E.
Ségransan D.
Vigan A.
Weber L.
Zurlo A.
Publication venue: 'EDP Sciences'
Publication date: 01/01/2022
Field of study

New constraints on the disk characteristics and companion candidates around T Chamaeleontis with VLT/SPHERE

Author: Benisty M.
Biller B.
Boccaletti A.
Bonnefoy M.
Chauvin G.
Cheetham A.
Cudel M.
Daemgen S.
de Boer J.
Desidera S.
Dominik C.
Feldt M.
Garufi A.
Ginski C.
Gratton R.
Henning Th.
Janson M.
Kasper M.
Kral Q.
Lagrange A.-M.
Langlois M.
Maire A.-L.
Mesa D.
Ménard F.
Müller A.
Olofsson J.
Perrot C.
Pinte C.
Pohl A.
Sissa E.
Stolker T.
Szulágyi J.
van Boekel R.
van Holstein R.G.
Vigan A.
Wildi F.
Zurlo A.
Publication venue: 'EDP Sciences'
Publication date: 01/09/2017
Field of study

International Migration, Integration and Social Cohesion online publications

Efficacy and Safety of Snake Antivenom Therapy: Experience of a Regional Hospital

Author: Anonymous.
Anonymous.
Bjarnason J.B.
Dachman W.D.
Deitch S.
Fan H.W.
Gaydos L.A.
Gold B.S.
Holstege C.P.
Hon K.L.
Hutton R.A.
Iddon D.
Juckett G.
Kouyoumdjian J.A.
Lagrange R.G.
Landefeld C.S.
Li Q.B.
Liao W.B.
Lo T.B.
Malasit P.
Moura-da-Silva A.M.
Ng W.S.
Ownby C.L.
Premawardhena A.P.
Reid H.A.
Reid H.A.
Riffer E.
Russell F.E.
Simon T.L.
Stewart R.M.
Theakston R.D.
Warrell D.A.
Watt G.
Publication venue: 'SAGE Publications'
Publication date
Field of study

Crossref

Professionalization and parent involvement in early childhood education: Complementary or conflicting strategies?

Author: A. Abbott
A. LaGrange
B. Greenblatt
B. Spodek
C. Gestwicki
C.E. Joffe
D.R. Powell
D.R. Powell
D.R. Powell
D.R. Powell
E. Handler
E.F. Zigler
E.H. Berger
G. Fein
I.J. Gordon
J. Rappaport
J.B. McKinlay
J.G. Silin
K.A. Clarke-Stewart
K.J. Swick
L.G. Katz
M. Almy
M. Whitebook
M.B. Lane
M.K. Meyerhoff
N. Noddings
P. Jorde-Bloom
R. Bucher
R.G. Corwin
Rena Shimoni
S.L. Schlossman
T. J. Johnson
T. Smith
T.D. Yawkey
Publication venue: 'Springer Science and Business Media LLC'
Publication date
Field of study

Crossref

Author: Absil O.
Allard F.
Antoniucci S.
Arena G.Muro.
Augereau J.C.
Barge P.
Baruffolo A.
Baudino J.L.
Baudoz P.
Beaulieu M.
Benisty M.
Beuzit J.L.
Bianco A.
Biller B.
Boccaletti A.
Boer J. De
Bonavita B.
Bonnefoy M.
Bos S.
Bouret J.C.
Brandner W.
Buchschache N.
Cantalloube F.
Caprio V. De
Carlotti A.
Carry B.
Cascone E.
Causi G.Li.
Charnay B.
Chauvin G.
Chiavassa A.
Choquet E.
Clenet Y.
Coroller H.Le.
Crida A.
Delisle J.B.
Delorme P.
Desert J.M.
Desidera S.
Diaye M.N.
Doelman D.S.
Dohlen K.
Dominik C.
Dougados C.
Doute S.
Fedele D.
Feldt M.
Ferreira F.
Fontanive C.
Fusco T.
Galicher R.
Garufi A.
Gendron E.
Ghedina A.
Ginski C.
Gonzalez J.F.
Gratadour D.
Gratton R.
Guillot T.
Haffert S.Y.
Hagelberg J.
Henning T.
Holstein R.G. van
Huby E.
Janson M.
Kamp I.
Keller C.
Kenworthy M.A.
Kervella P.
Kral Q.
Kuhn J.
Lagadec E.
Lagrange A.M.
Laibe G.
Langlois M.
Launhardt R.
Leboulleux L.
Loupias M.
Maire A.L.
Marleau G.
Martinache F.
Martinez P.
Mary D.
Mattioli M.
Mazoyer J.
Meheut H.
Menard F.
Mesa D.
Meunier N.
Miguel Y.
Milli J.
Min M.
Molliere P.M.
Mordasini C.
Moretto G.
Mouillet D.
Mugnier L.
Nardetto N.
Nesvadba N.
Orazi V.D.
Pedichini F.
Pinilla P.
Por E.H.
Potier A.
Quanz S.
Rameau J.
Rigliaco E.
Roelfsema R.
Rouan D.
Salasnich B.
Samland M.
Sauvage J.F.
Schmid H.M.
Segransan D.
Snellen I.A.G.
Snik F.
Soulez F.
Stadler E.
Stam D.
Tallon M.
Thebault P.
Thiebaut E.
Tschudi C.
Udry S.
Vernazza P.
Vidal F.
Vigan A.
Waters R.
Wildi F.
Willson M.
Zanutta A.
Zavagno A.
Zurlo A.
Publication venue
Publication date: 01/01/2021
Field of study

Stars and planetary system

Leiden University Scholary Publications

Projective dynamics and first integrals

An extended scattered light disk around AT Pyx: possible planet formation in a cometary globule

Production of DTH in the Mouse to Influenza Virus: Comparison with Conditions for Stimulation of Cytotoxic T Cells

An extended scattered light disk around AT Pyx: possible planet formation in a cometary globule

New constraints on the disk characteristics and companion candidates around T Chamaeleontis with VLT/SPHERE

Efficacy and Safety of Snake Antivenom Therapy: Experience of a Regional Hospital

Professionalization and parent involvement in early childhood education: Complementary or conflicting strategies?

Male street youths' conflict: The role of background, subcultural, and situational factors

Crime and disorder, and house sales and prices around the casino sites in Windsor, Ontario, Canada

SPHERE+: imaging young Jupiters down to the snowline