1,725,804 research outputs found

    Mcneillia graminifolia (Ard.) Dillenb. & Kadereit subsp. hungarica (Jáv.) F.Conti & Bartolucci, comb. nov. In Von Raab-Sstraube E. & Raus Th. (ed.), Euro+Med-Checklist Notulae, 3.

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    A recent molecular phylogeny indicate that Minuartia L. is highly polyphyletic (Dillenberger & Kadereit 2014). A revised circumscription of the genus was proposed and the new genera Mcneillia Dillenb. & Kadereit, Minuartiella Dillenb. & Kadereit and Pseudocherleria Dillenb. & Kadereit were described. In agreement with the taxonomic treatment of Minuartia graminifolia (Ard.) Jáv. [now Mcneillia graminifolia (Ard.) Dillenb. & Kadereit] suggested by Conti (2003) and considering the new combination Mcneillia graminifolia subsp. rosanoi (Ten.) F.Conti, Bartolucci, Iamonico & Del Guacchio recently proposed by Bartolucci & al. (2014), one more combination is necessary within Mcneillia graminifolia group

    A note on the author citation and typification of Cineraria aurantiaca Hoppe (Tephroseris integrifolia subsp. aurantiaca; Asteraceae)

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    Bartolucci, Fabrizio, Villani, Mariacristina, Galasso, Gabriele (2021): A note on the author citation and typification of Cineraria aurantiaca Hoppe (Tephroseris integrifolia subsp. aurantiaca; Asteraceae). Phytotaxa 512 (4): 297-299, DOI: 10.11646/phytotaxa.512.4.6, URL: http://dx.doi.org/10.11646/phytotaxa.512.4.

    On the classification of N-point concentrating solutions for mean field equations and the critical set of the N-vortex singular Hamiltonian on the unit disk

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    Motivated by the analysis of the multiple bubbling phenomenon (Bartolucci et al. in Commun. Partial Differ. Equ. 29(7–8):1241–1265, 2004) for a singular mean field equation on the unit disk (Bartolucci and Montefusco in Nonlinearity 19:611–631, 2006), for any N≥3 we characterize a subset of the 2π/N-symmetric part of the critical set of the N-vortex singular Hamiltonian. In particular we prove that this critical subset is of saddle type. As a consequence of our result, and motivated by a recently posed open problem (Bartolucci et al. in Commun. Partial Differ. Equ. 29(7–8):1241–1265, 2004), we can prove the existence of a multiple bubbling sequence of solutions for the singular mean field equation

    Two new combinations in Malva (Malvaceae).

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    Malva micans subsp. pallescens (Moris) F. Conti & Bartolucci comb. nova and Malva micans subp. minoricensis (Cambess.) Bartolucci & F. Conti comb. nova are proposed

    Notulae alla checklist della flora vascolare italiana 13. Novità nomenclaturali: 1921.

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    A new combination: Clinopodium alpinum subsp. nebrodense (A:Kern. & Strobl) Bartolucci & F. Conti comb. nov., is proposed

    cquad: An R and Stata Package for Conditional Maximum Likelihood Estimation of Dynamic Binary Panel Data Models

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    We illustrate the R package cquad for conditional maximum likelihood estimation of the quadratic exponential (QE) model proposed by Bartolucci and Nigro (2010) for the analysis of binary panel data. The package also allows us to estimate certain modified versions of the QE model, which are based on alternative parametrizations, and it includes a function for the pseudo-conditional likelihood estimation of the dynamic logit model, as proposed by Bartolucci and Nigro (2012). We also illustrate a reduced version of this package that is available in Stata. The use of the main functions of this package is based on examples using labor market data

    «Li terre Priestre Jehan» nel Livre de voyages: annotazioni sul ms. P (= Paris, Bibliothèque de l'Arsenal, 3219)

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    À l'issue de l'analyse d'un passage dans trois mss. (P, P14 et P13) de la Version Continentale du Livre de voyages de Jean de Mandeville, L. Bartolucci remarque la présence aussi bien de «lectiones difficiliores» en P et P14 (tandis que P13 banalise et contient plusieurs fautes), que d'autres interpolations, qui s'ajoutent aux interpolations connues de la Version Continentale

    Notulae alla checklist della flora vascolare italiana 13. Novità nomenclaturali: 1924-1925.

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    Two new combinations are proposed: Helictochloa praetutiana Bartolucci, F. Conti, Peruzzi & Banfi subsp. praetutiana comb. nov. and Helictochloa praetutiana Bartolucci, F. Conti, Peruzzi & Banfi subsp. rigida (Sarfatti) Bartolucci, F. Conti, Peruzzi & Banfi comb. nov

    Typification of Fritillaria tubiformis Gren. & Godr., Fritillaria delphinensis f. moggridgei Planch. and Fritillaria delphinensis var. burnatii Planch. (Liliaceae) from SW Europe

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    Fig. 4. – Lectotypus of the name Fritillaria delphinensis var. burnatii Planch. [E. Borgeau 346, G-BU] [© Conservatoire et Jardin botaniques de la Ville de Genève]Published as part of Bartolucci, Fabrizio & Peruzzi, Lorenzo, 2012, Typification of Fritillaria tubiformis Gren. & Godr., Fritillaria delphinensis f. moggridgei Planch. and Fritillaria delphinensis var. burnatii Planch. (Liliaceae) from SW Europe, pp. 23-29 in Candollea 67 (1) on page 29, DOI: 10.15553/c2012v671a2, http://zenodo.org/record/570858
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