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29 June 2020 to 4 July 2020
Hotel Tropis Tropea, Calabria, Italy
Europe/Rome timezone



Dear participants, the coronavirus emergency forces us to shift the conference to the next year. We are still under quarantine here in Italy and the lockdown of all the activities is going to be extended. We are not able to predict what will be the situation in June-July. Moreover, in the most optimistic scenario, we will not be able to make the organizing process to start again in time. We are sorry for that and hope you will understand. We wish you and your families all the best in this dramatic period for our societies.

The next IQSA conference will take place in Tropea during the summer 2022. We hope to embrace you all in Tropea the next year. 



               Dedicated to the memory of the past presidents of the IQSA: 

                 Peter Mittelstaedt, David J. Foulis, Paul Busch.









The International Quantum Structure Association is pleased to announce that the next Biennial IQSA Conference Quantum Structures 2020 will take place in Tropea, Calabria (Italy), on June 29-July 04, 2020.

The proposed arrival date is Sunday, the 28th of June, and the date of departure is Sunday, the 5th of July.


Quantum Structures 2020 Tropea is a major international conference integrating all fields of quantum mechanics and its applications. It provides an important opportunity for young researchers to disseminate their results and to obtain feedback both from their peers and from senior members of the community. Owing to its interdisciplinary and foundational character, the objective of the conference is to encourage communication between researchers throughout the world whose research is related to

  • quantum structures and their applications in physics, mathematics and philosophy
  • logico-algebraic structures, orthomodular structures, quantum logics, empirical logics, operational structures
  • quantum mechanics
  • quantum measurements
  • quantum computation, quantum information, quantum communication
  • phase space quantum mechanics and quantization
  • philosophy of quantum mechanics
  • quantum probability
  • interdisciplinary applications of quantum structures
  • etc.

The conference has the following complementary themes:

  • Algebraic methods of quantum mechanics
  • Foundations of quantum mechanics
  • Quantum information and computation theory
  • Philosophy and history of quantum mechanics
  • Interdisciplinary applications of quantum structures


  • Arriving day: June 28th, 2020
  • First official day: June 29th, 2020
  • Last official day: July 4th, 2020
  • Leaving day: July 4th, 2020

Previous Editions

The conference continues the successful meetings held in:

  • Gdansk 1990;
  • Castiglioncello 1992;
  • Prague 1994;
  • Berlin 1996;
  • Liptovsky Jan 1998;
  • Cesenatico 2001;
  • Vienna 2002;
  • Denver 2004;
  • Malta 2006;
  • Brussels-Gdansk 2008;
  • Boston 2010;
  • Cagliari 2012;
  • Olomouc 2014;
  • Leicester 2016;
  • Kazan 2018.




Local Organizing Committee:

Roberto Beneduci

Roberto Leporini

Fabio Bagarello

Tommaso Gentile

Franco Oliveri

Paolo Perinotti

Amedeo Perri

Giuseppe Sergioli


Programme Commitee:

Roberto Leporini

Mirko Navarra

Sandro Sozzo

Roberto Beneduci


















The conference venue is: Hotel Tropis, Tropea, CONTRADA FONTANA NUOVA, 89861 Tropea, Vibo Valentia (Italy). Download the map of Tropea (pdf)



The closest airport is the Lamezia Terme airport which is at about 60 km from Tropea. A bus service from the airport to the Hotel will be available (the cost depends on the number of persons travelling  and can go from 20 to 60 euros). If you are interested in the bus service, you are invited to contact directly the Hotel Tropis to arrange your transfer. The Hotel will try to organize the bus service in order to collect 6-8 persons at a time. That would contain cost at about 25 euros.

A cheaper connection is by train from Lamezia Terme to Tropea. There is a train from Lamezia Terme railway station to Tropea every hour (it takes about 1 hour to get to Tropea and costs about 4,20 euros). There is a bus service from Lamezia Terme airport to Lamezia Terme railway station (1,50 euros). Hotel Tropis is at about 350 meters from the railway station.

An alternative option to get to Tropea is to arrive by flight to Naples (which is cheaper than the flight to Lamezia terme) and then to Tropea by train (usually one or two changes). Naples airport is well connected to the railway station by bus (5 euros) which takes 20 minutes. The train from Naples to Tropea will take about 4,5-6,5 hours at variance with the time and the day. Look at the Trenitalia website for information

Once you are in Tropea you can use the Tropea Express to move along the Tyrrhenian coast for very cheap prices.







The Hotel Tropis, which will host the conference, booked in advance a number of rooms for the conference guests.

Rates reserved to the Conference guests: 


Single Room plus breakfast (1 person)  € 78,00 per day
Double room plus breakfast (2 persons) € 136,00 per day.
Single Room plus breakfast plus lunch or dinner (1 person) € 100,00 per day.
Double room plus breakfast plus lunch or dinner (2 persons) € 180,00 per day


In order to book the Hotel you are invited to fill in the form attached below that must be sent to the following e-mail address:


                                     Other Possible Accomodations

In Tropea you will find several B&B that you can book by yourselves. We suggest you to book in advance (as soon as possible) in order to be sure to get a room and to get a good price.

Those who prefer to arrange their lodging by themselves, which can be easily done by internet, may find some suggestions in the following websites:






Hotel Tropis Tropea, Calabria, Italy
CONTRADA FONTANA NUOVA, 89861 Tropea (VV) Phone:+39 0963 607162
  1. Location: Tropea, Calabria Italy

Tropea is a lovely town situated on the Tyrrhenian coast in the south of Italy in the Vibo Valentia province. That part of Calabria’s coast is called Costa degli Dei (Coast of the Deities). Tropea is known as the pearl of the Tyrrhenian coast. It is the most important touristic place in Calabria and one of the most important in Italy. It has been often classified among the first three most beautiful beaches in Italy. Calabria as well as Campania, Puglia and Basilicata are the Italian regions  where Magna Graecia has been founded in the VIII century b.c.. The places where Magna Graecia was founded were Greek colonies. The same happened in Sicily but in this case the historians speak of Greek Sicily. Magna Graecia and Greek Sicily have been very important from the cultural and social viewpoint. Pitagora moved to Calabria from Greece and founded his school in Crotone (about 158 km from Tropea). Several very important philosophers and mathematicians were born in Magna Grecia. Here is a partial list: Parmenide (Campania), Zenone (Campania), Empedocle (Sicily), Pitagora (Calabria), Timeo (Calabria), Archimede (Sicily). Here are some pictures of Tropea:














                                                                           Volcano seen from Tropea











The legend says that Tropea was founded by Ercules when, back from the Ercules columns (in Spain), he stopped on the coast in the south of Italy. Tombs of the Magna Graecia period have been found close to Tropea.

The coast at the south of Tropea, in the Vibo Valentia province, is very beautiful as well and is connected to Tropea by a regional train (Tropea Express) that starts every hour.







Tropea is also famous for the special onion produced locally that is very mild and appreciated and exported all over the world. It is also easily digestible. The Tropea district is famous for the ‘nduia which is a kind of cream made of pork fat, pork, and red pepper                                                           










  1. Places of interest to visit.

Here is a partial list of attractions the visitors can find in Calabria (close to Tropea):



  • In Tropea: In Tropea there are a lot of very old buildings. We suggest a visit to the Cathedral of the Blessed Virgin Mary of Romania.  The Cathedral was built by the Normans in the XII century. The structure was built entirely in tuff and pale yellow lava stone. It has a longitudinal development, with three naves in Norman style. The Cathedral hosts the icon of the Blessed Virgin Mary of Romania which was painted by a pupil of Giotto.






  • PIZZO:  Pizzo Calabro, is a town (and a seaport) in the province of Vibo Valentia (Calabria, southern Italy), situated on a steep cliff overlooking the Gulf of Saint Euphemia. Pizzo is famous for the tuna fish, the ice-scream (tartufo di pizzo), the castle and the Piedigrotta church carved into the tuff. The former King of Naples Joachim Murat, who was the brother-in-law of Napoleon, was imprisoned for several days in the town's Aragonese castle and then sentenced to death. He was executed by firing squad on October 13, 1815, in the main hall of the castle and was possibly buried in the church of San Giorgio. Paradoxically, the castle is now called Castello Murat. The castle hosts the Provincial Museum Murat. In 1783 the town was almost destroyed by an earthquake, and it suffered some damage from the same cause in 1905.






Murat Castle 

                                                                          Pizzo main square






   Piedigrotta church




Tartufo icescream


They are two of the few surviving full-size ancient Greek bronzes (which were usually melted down in later times), and as such demonstrate the superb technical craftsmanship and exquisite artistic features that were achieved at this time. (from wikipedia)






  • Vibo Valentia (Hipponion) Castle (35 km from Tropea) – Norman-Hohenstaufen Castle, located most likely on the site of Hipponion acropolis, and built around 1000. For its construction materials from the Greek temples nearby were used. It was damaged by an earthquake in 1783. Today the castle is home to a state museum where you can find the gold leaflet from the Necropolis of Hipponion Ca. 400 BCE,
  • Greak Walls of Hipponion, including about 350 metres (1,150 ft) of remains and foundations of eight towers, each with an estimated height of 10 metres (33 ft).








  • Cattolica di Stilo is a Byzantine church in the comune of StiloCalabria, southern Italy. It is a national monument. The Cattolica was built in the 9th century, when Calabria was part of the Byzantine Empire.







  • Epizephyrian Locris (Greek Ἐπιζεφύριοι Λοκροί; from ἐπί epi, "on", Ζέφυρος (Zephyros), West Wind, and the plural of Λοκρός, Lokros, "a Locrian," thus "The Western Locrians")[2] was founded about 680 BC on the Italian shore of the Ionian Sea. Plato called it "The flower of Italy", due to the local peoples' characteristics. Locris was the site of two great sanctuaries, that of Persephone — here worshipped as the protector of fertile marriage — and of Aphrodite. In the early centuries Locris was allied with Sparta, and later with Syracuse. It founded two colonies of its own, Hipponion and Medma.





  • From Tropea to the Aeolian Islands by ferry or hydrofoil: The Aeolian Islands (/iːˈoʊliən/) (ItalianIsole Eoliepronounced [ˈiːzole eˈɔːlje] GreekΑιολίδες ΝήσοιAiolides Nisoi) are a volcanic archipelago in the Tyrrhenian Sea (Sicily). There are two active volcanoes – Stromboli and Vulcano.[2] The volcanic activity of steaming fumaroles and thermal waters are on most of the islands. See Wikipedia for more details. There are ferries and hydrofoils from Tropea to the islands for 40-50 euros. The trip takes about 1,5 hours from Tropea to the Islands.



















There are other very interesting and beautiful part of Calabria to visit. A touristic guide will be provided to the attendees.



Registration for this event is currently open.