Results 71 to 80 of about 6,296 (170)

Термомагнитно изследване на средновековна битова керамика от Плиска

open access: yesПриноси към българската археология, 2019
The scope of the present paper is to define the firing temperature of the medieval household pottery from Pliska, using magnetic susceptibility measurements.
Valeri Grigorov   +1 more
doaj  

Ecología de dispersión y reclutamiento de bosques húmedos tropicales

open access: yesWani, 2013
En este artículo se presenta los resultados de un programa de investigación en que se cuantifican y analizan los procesos y mecanismos involucrados en la dinámica de regeneración de la especie de bosque húmedo tropical D. oleifera. Los resultados de las
Javier Ruiz
doaj   +1 more source

On the valuation of Paris options: foundational results

open access: yes, 1999
This paper adresses the valuation of the Paris barrier options proposed by Yor, Jeanblanc-Picque, and Chesnay (Advances in Applied Probability, 29(1997), 165-184) using the Laplace transform approach.
Schröder, Michael
core   +1 more source

Newly Found Seal of a Byzantine Strategos of Preslav

open access: yesВестник Волгоградского государственного университета. Серия 4. История, регионоведение, международные отношения, 2017
The article aims at giving currency in the scholarly circles to a new Byzantine lead seal found in Pliska in 2016. This lead bulla is 2,5 mm thick, it has a diameter of 22 mm and is preserved in a very good condition.
Nikolay Kanev
doaj   +1 more source

Arbitrage and Control Problems in Finance. Presentation. [PDF]

open access: yes
The theory of asset pricing takes its roots in the Arrow-Debreu model (see,for instance, Debreu 1959, Chap. 7), the Black and Scholes (1973) formula,and the Cox and Ross (1976) linear pricing model.
Elyès Jouini
core  

Comparative Assessment of Varieties of Burley Tobacco

open access: yesРастениевъдни науки, 2015
An integrated assessment of varieties Pliska 2002, Preslav 2002, Burley 55 and 420 type Burley tobacco, which are created in the Experimental Station of Agriculture – Khan Khrum.
Maya Mutafchieva
doaj  

Effects of recycled wastewater on soil enzymatic microbial activities during a long-term irrigation trial

open access: yesWater Science and Engineering
Wastewater reuse offers a potential solution to global drought and water scarcity but may have environmental impacts, particularly on soil microbial communities and their metabolic activities.
Adéla Puškáčová   +4 more
doaj   +1 more source

Infinitely many securities and the fundamental theorem of asset pricing [PDF]

open access: yes
Several authors have pointed out the possible absence of martingale measures for static arbitrage-free markets with an infinite number of available securities.
Alejandro Balbas, Anna Downarowicz
core  

Dating Of Pliska's Rosette

open access: yes, 1998
[Sidorov Milosh; Сидоров Милош]; [Kelevedzhiev Emil; Келеведжиев Емил] An attempt is made to set a dating of the popular Pliska’s Rosette on the base of astronomical interpretation of signs, depicted on it and using a computer program for searching a moment in time, when a given allocation of planets is really occurred.
Sidorov, Milosh, Kelevedzhiev, Emil
openaire   +1 more source

Using a multi-state Learning Community as an implementation strategy for immediate postpartum long-acting reversible contraception

open access: yesImplementation Science, 2017
Background Implementation strategies are imperative for the successful adoption and sustainability of complex evidence-based public health practices. Creating a learning collaborative is one strategy that was part of a recently published compilation of ...
Carla L. DeSisto   +7 more
doaj   +1 more source

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